Therion Deck Breakdown

EARTH 8

This card's name becomes "Ancient Gear Golem" while on the field or in the GY. If this card is Normal or Special Summoned: You can add up to 2 cards ("Ancient Gear" cards and/or "Geartown") from your Deck to your hand, except "Ancient Gear Dark Golem", then discard 1 card, also you cannot Set cards for the rest of this turn. You can only use this effect of "Ancient Gear Dark Golem" once per turn. If this card attacks, your opponent cannot activate Spell/Trap Cards until the end of the Damage Step.

EARTH 5

Negate any Trap effects that target this card, and if you do, destroy that Trap Card. If this card attacks, your opponent cannot activate any Spell/Trap Cards until the end of the Damage Step. At the end of the Damage Step, if this card attacked: Target 1 Spell/Trap Card your opponent controls; destroy that target.

EARTH 2

If your opponent controls more monsters than you do, you can Special Summon this card (from your hand). You can only Special Summon "Ancient Gear Statue" once per turn this way. You can Tribute this card; Special Summon from your hand or Deck, 1 "Ancient Gear Golem" or 1 monster that mentions it, except "Ancient Gear Statue", ignoring its Summoning conditions. You can only use this effect of "Ancient Gear Statue" once per turn.

EARTH 4

If this card is Normal or Special Summoned: You can Special Summon 1 "Ancient Gear" monster from your hand, except "Ancient Gear Tanker", ignoring its Summoning conditions, or, if your opponent controls a monster, you can Special Summon from your GY instead. You can target 1 face-up card you control; destroy it, also for the rest of this turn, all monsters you control that are "Ancient Gear Golem", or mention it, gain 600 ATK. You can only use each effect of "Ancient Gear Tanker" once per turn.

EARTH 4

If this card is Normal or Special Summoned: You can add 1 "Ancient Gear" card from your Deck to your hand, except "Ancient Gear Wyvern", also you cannot Set cards for the rest of this turn. You can only use this effect of "Ancient Gear Wyvern" once per turn. If this card attacks, your opponent's monsters cannot activate their effects until the end of the Damage Step.

EARTH 4

If this card is Normal or Special Summoned: You can target 1 EARTH Machine monster in your GY, except "Flying Pegasus Railroad Stampede"; Special Summon it in Defense Position, but negate its effects. You can target 1 other face-up monster you control; the Level of that monster or this card becomes the Level of the other. You cannot declare attacks the turn you activate this effect, except with Xyz Monsters. You can only use each effect of "Flying Pegasus Railroad Stampede" once per turn.

LIGHT 8

If a Dragon Xyz Monster declares an attack: Attach this card on the field to it as material. You can only use each of the following effects of "Galaxy-Eyes Tachyon Primal" once per turn. If a Dragon Xyz Monster is on the field (Quick Effect): You can Special Summon this card from your hand to either field. If this card is Normal or Special Summoned: The owner of this card adds 1 "Tachyon" Spell/Trap from their Deck to their hand.

FIRE 8

Cannot be Normal Summoned/Set. Must first be Special Summoned (from your hand) to your opponent's field by Tributing 2 monsters they control. You cannot Normal Summon/Set the turn you Special Summon this card. Once per turn, during your Standby Phase: Take 1000 damage.

FIRE 7

You can only use each of the following effects of "Therion "Bull" Ain" once per turn. ● You can target 1 "Therion" monster or 1 Warrior monster in your GY; Special Summon this card from your hand, and if you do, equip that monster to this card. ● You can target 1 "Therion" card you control and 1 card your opponent controls; destroy them. A "Therion" monster equipped with this card gains 700 ATK, also it can activate the 2nd effect listed above as if it were "Therion "Bull" Ain".

LIGHT 8

You can only use the 1st of the following effects of "Therion "Duke" Yul" once per turn. ● You can target 1 "Therion" monster or 1 Psychic monster in your GY; Special Summon this card from your hand, and if you do, equip that monster to this card. ● While you control an Equip Card, "Therion" monsters you control cannot be destroyed by your opponent's card effects. A "Therion" monster equipped with this card gains 700 ATK, also it gains the 2nd effect listed above as if it were "Therion "Duke" Yul".

EARTH 8

You can only use each of the following effects of "Therion "Empress" Alasia" once per turn. ● You can target 1 "Therion" monster or 1 Reptile monster in your GY; Special Summon this card from your hand, and if you do, equip that monster to this card. ● You can discard 1 card, then target 1 "Therion" Monster Card in your Spell & Trap Zone; Special Summon it. A "Therion" monster equipped with this card gains 700 ATK, also it can activate the 2nd effect listed above as if it were "Therion "Empress" Alasia".

EARTH 8

You can only use each of the following effects of "Therion "King" Regulus" once per turn. ● You can target 1 "Therion" monster or 1 Machine monster in your GY; Special Summon this card from your hand, and if you do, equip that monster to this card. ● When your opponent activates a card or effect (Quick Effect): You can send 1 "Therion" Monster Card from your hand or face-up field to the GY; negate that effect. A "Therion" monster equipped with this card gains 700 ATK, also it can activate the 2nd effect listed above as if it were "Therion "King" Regulus".

WIND 8

You can only use each of the following effects of "Therion "Lily" Borea" once per turn. ● You can target 1 "Therion" monster or 1 Plant monster in your GY; Special Summon this card from your hand, and if you do, equip that monster to this card. ● You can send 1 card from your hand or field to the GY; add 1 "Therion" Spell/Trap from your Deck to your hand. A "Therion" monster equipped with this card gains 700 ATK, also it can activate the 2nd effect listed above as if it were "Therion "Lily" Borea".

WATER 7

You can only use each of the following effects of "Therion "Reaper" Fum" once per turn. ● You can target 1 "Therion" monster or 1 Aqua monster in your GY; Special Summon this card from your hand, and if you do, equip that monster to this card. ● During your opponent's turn (Quick Effect): You can target 1 "Therion" card in your Spell & Trap Zone and 1 card your opponent controls; return them to the hand. A "Therion" monster equipped with this card gains 700 ATK, also it can activate the 2nd effect listed above as if it were "Therion "Reaper" Fum".

DARK 10

You can target up to 3 "Therion" monsters in your GY; Special Summon this card from your hand, and if you do, equip them to this card. You can discard 1 "Endless Engine Argyro System"; destroy all cards your opponent controls. While this card is equipped to a monster: You can Special Summon this card, then equip the monster this card was equipped to, to this card. You can only use each effect of "Therion Irregular" once per turn.

EARTH 10

"Ancient Gear Golem" + 2 "Ancient Gear" monsters Must be Fusion Summoned. If this card attacks a Defense Position monster, inflict piercing battle damage. If this card attacks, your opponent cannot activate Spell/Trap Cards until the end of the Damage Step. If this card is destroyed: You can target 1 "Ancient Gear Golem" in your GY; Special Summon it, ignoring its Summoning conditions.

EARTH

2 EARTH Machine monsters If this card is Link Summoned: You can add 1 "Ancient Gear" monster or 1 "Geartown" from your Deck to your hand. You can target 1 Spell/Trap you control and 1 face-up monster your opponent controls; destroy that card you control, and if you do, change that opponent's monster's ATK/DEF to 0 until the end of the turn. You can only use each effect of "Ancient Gear Ballista" once per turn.

FIRE

2 Effect Monsters During your Main Phase: You can Fusion Summon 1 Fusion Monster from your Extra Deck, using monsters from your field as Fusion Material. If a Fusion Monster(s) is Fusion Summoned to a zone(s) this card points to: You can Special Summon 1 monster with 1000 or less ATK from your hand. You can only use each effect of "Proxy F Magician" once per turn.

EARTH

2 monsters You can activate 1 of these effects. ● Declare 1 Monster Type; all face-up monsters this card points to become that Type until the end of this turn. ● Declare 1 Attribute; all face-up monsters this card points to become that Attribute until the end of this turn. You can only use this effect of "Reprodocus" once per turn.

LIGHT

3 non-Link Monsters Gains ATK equal to the combined original Levels/Ranks of monsters used for its Link Summon x 100. You can target 1 non-Link Monster your opponent controls with ATK less than or equal to this card; destroy it, then if this card was Link Summoned using an Xyz Monster as material, inflict damage to your opponent equal to half the destroyed monster's original ATK. You can only use this effect of "Steel Star Regulator" once per turn.

LIGHT

4+ Effect Monsters You can also use 1 monster your opponent controls as material to Link Summon this card. If this card is Link Summoned: You can negate the effects of all face-up monsters your opponent currently controls. This Link Summoned card is unaffected by your opponent's activated effects, unless they target this card. Once per turn, when your opponent activates a card or effect that Special Summons a monster(s) from the GY (Quick Effect): You can negate the activation.

LIGHT

2 Level 8 monsters If this card is Special Summoned from the Extra Deck: You can add 1 "Galaxy" or "Tachyon" card from your Deck to your hand. You can detach 2 materials from this card; Special Summon from your Extra Deck, 1 Rank 8 Dragon Xyz Monster with 3000 ATK, using this card you control as material (this is treated as an Xyz Summon, transfer its materials to the Summoned monster), then you can attach 1 "Galaxy" monster from your Extra Deck to it. You can only use each effect of "Divine Golden Shadow Dragon Dragluxion" once per turn.

EARTH

2 Level 4 Machine-Type monsters Once per turn: You can detach 1 Xyz Material from this card; add 1 Level 4 or lower Machine-Type monster from your Deck or Graveyard to your hand. When this card leaves the field: You can target 1 Level 3 or lower "Geargia" monster in your Graveyard; Special Summon that target.

LIGHT

2 Level 5 monsters Once per turn: You can detach 1 Xyz Material from this card to target 1 face-up monster your opponent controls; inflict damage to your opponent equal to the difference between its original ATK and current ATK, and if you do, this card gains ATK equal to the damage inflicted.

Spell Normal

Target 1 "Ancient Gear" monster you control; destroy it, and if you do, inflict damage to your opponent equal to half its original ATK.

Spell Normal

Fusion Summon 1 "Ancient Gear" Fusion Monster from your Extra Deck, using monsters from your hand or field as Fusion Material. If you use "Ancient Gear Golem" or "Ancient Gear Golem - Ultimate Pound" you control as Fusion Material, you can also use monsters from your Deck as material.

Spell Quick

Send any number of other cards from your hand and/or field to the GY; choose that many Effect Monsters your opponent controls, and until the end of this turn, their ATK is halved, also their effects are negated. In response to this card's activation, your opponent cannot activate cards, or the effects of cards, with the same original type (Monster/Spell/Trap) as the cards sent to the GY to activate this card. You can only activate 1 "Forbidden Droplet" per turn.

Spell Field

Both players can Normal Summon "Ancient Gear" monsters for 1 less Tribute. When this card is destroyed and sent to the Graveyard: You can Special Summon 1 "Ancient Gear" monster from your hand, Deck, or Graveyard.

Spell Normal

Send 1 "Therion" card, except "Therion Charge", or 1 "Endless Engine Argyro System" from your hand or your face-up Spell & Trap Zone to the GY; draw 2 cards. You can only activate 1 "Therion Charge" per turn.

Spell Field

When this card is activated: You can add 1 "Therion" monster from your Deck to your hand. Once per turn, if your monster would be destroyed by battle, you can send 1 "Therion" card or 1 "Endless Engine Argyro System" from your Deck to the GY instead. Once per turn, when a monster is destroyed by battle and sent to the GY: You can target 1 "Therion" monster in your GY; add it to your hand. You can only activate 1 "Therion Discolosseum" per turn.

Trap Normal

Target 1 Dragon "Galaxy" monster you control; until the end of this turn, it cannot be destroyed by battle, also it is unaffected by other card effects, except its own. You can only activate 1 "Tachyon Spiral Galaxy" per turn. If you control a "Galaxy-Eyes Tachyon Dragon" monster, you can activate this card from your hand.

EARTH 8

This card's name becomes "Ancient Gear Golem" while on the field or in the GY. If this card is Normal or Special Summoned: You can add up to 2 cards ("Ancient Gear" cards and/or "Geartown") from your Deck to your hand, except "Ancient Gear Dark Golem", then discard 1 card, also you cannot Set cards for the rest of this turn. You can only use this effect of "Ancient Gear Dark Golem" once per turn. If this card attacks, your opponent cannot activate Spell/Trap Cards until the end of the Damage Step.

LIGHT 8

If a Dragon Xyz Monster declares an attack: Attach this card on the field to it as material. You can only use each of the following effects of "Galaxy-Eyes Tachyon Primal" once per turn. If a Dragon Xyz Monster is on the field (Quick Effect): You can Special Summon this card from your hand to either field. If this card is Normal or Special Summoned: The owner of this card adds 1 "Tachyon" Spell/Trap from their Deck to their hand.

FIRE 8

Cannot be Normal Summoned/Set. Must first be Special Summoned (from your hand) to your opponent's field by Tributing 2 monsters they control. You cannot Normal Summon/Set the turn you Special Summon this card. Once per turn, during your Standby Phase: Take 1000 damage.

FIRE 7

You can only use each of the following effects of "Therion "Bull" Ain" once per turn. ● You can target 1 "Therion" monster or 1 Warrior monster in your GY; Special Summon this card from your hand, and if you do, equip that monster to this card. ● You can target 1 "Therion" card you control and 1 card your opponent controls; destroy them. A "Therion" monster equipped with this card gains 700 ATK, also it can activate the 2nd effect listed above as if it were "Therion "Bull" Ain".

LIGHT 8

You can only use the 1st of the following effects of "Therion "Duke" Yul" once per turn. ● You can target 1 "Therion" monster or 1 Psychic monster in your GY; Special Summon this card from your hand, and if you do, equip that monster to this card. ● While you control an Equip Card, "Therion" monsters you control cannot be destroyed by your opponent's card effects. A "Therion" monster equipped with this card gains 700 ATK, also it gains the 2nd effect listed above as if it were "Therion "Duke" Yul".

EARTH 8

You can only use each of the following effects of "Therion "Empress" Alasia" once per turn. ● You can target 1 "Therion" monster or 1 Reptile monster in your GY; Special Summon this card from your hand, and if you do, equip that monster to this card. ● You can discard 1 card, then target 1 "Therion" Monster Card in your Spell & Trap Zone; Special Summon it. A "Therion" monster equipped with this card gains 700 ATK, also it can activate the 2nd effect listed above as if it were "Therion "Empress" Alasia".

EARTH 8

You can only use each of the following effects of "Therion "King" Regulus" once per turn. ● You can target 1 "Therion" monster or 1 Machine monster in your GY; Special Summon this card from your hand, and if you do, equip that monster to this card. ● When your opponent activates a card or effect (Quick Effect): You can send 1 "Therion" Monster Card from your hand or face-up field to the GY; negate that effect. A "Therion" monster equipped with this card gains 700 ATK, also it can activate the 2nd effect listed above as if it were "Therion "King" Regulus".

WIND 8

You can only use each of the following effects of "Therion "Lily" Borea" once per turn. ● You can target 1 "Therion" monster or 1 Plant monster in your GY; Special Summon this card from your hand, and if you do, equip that monster to this card. ● You can send 1 card from your hand or field to the GY; add 1 "Therion" Spell/Trap from your Deck to your hand. A "Therion" monster equipped with this card gains 700 ATK, also it can activate the 2nd effect listed above as if it were "Therion "Lily" Borea".

WATER 7

You can only use each of the following effects of "Therion "Reaper" Fum" once per turn. ● You can target 1 "Therion" monster or 1 Aqua monster in your GY; Special Summon this card from your hand, and if you do, equip that monster to this card. ● During your opponent's turn (Quick Effect): You can target 1 "Therion" card in your Spell & Trap Zone and 1 card your opponent controls; return them to the hand. A "Therion" monster equipped with this card gains 700 ATK, also it can activate the 2nd effect listed above as if it were "Therion "Reaper" Fum".

DARK 10

You can target up to 3 "Therion" monsters in your GY; Special Summon this card from your hand, and if you do, equip them to this card. You can discard 1 "Endless Engine Argyro System"; destroy all cards your opponent controls. While this card is equipped to a monster: You can Special Summon this card, then equip the monster this card was equipped to, to this card. You can only use each effect of "Therion Irregular" once per turn.

EARTH 10

"Ancient Gear Golem" + 2 "Ancient Gear" monsters Must be Fusion Summoned. If this card attacks a Defense Position monster, inflict piercing battle damage. If this card attacks, your opponent cannot activate Spell/Trap Cards until the end of the Damage Step. If this card is destroyed: You can target 1 "Ancient Gear Golem" in your GY; Special Summon it, ignoring its Summoning conditions.

EARTH

2 monsters You can activate 1 of these effects. ● Declare 1 Monster Type; all face-up monsters this card points to become that Type until the end of this turn. ● Declare 1 Attribute; all face-up monsters this card points to become that Attribute until the end of this turn. You can only use this effect of "Reprodocus" once per turn.

LIGHT

2 Level 8 monsters If this card is Special Summoned from the Extra Deck: You can add 1 "Galaxy" or "Tachyon" card from your Deck to your hand. You can detach 2 materials from this card; Special Summon from your Extra Deck, 1 Rank 8 Dragon Xyz Monster with 3000 ATK, using this card you control as material (this is treated as an Xyz Summon, transfer its materials to the Summoned monster), then you can attach 1 "Galaxy" monster from your Extra Deck to it. You can only use each effect of "Divine Golden Shadow Dragon Dragluxion" once per turn.

EARTH

2 Level 4 Machine-Type monsters Once per turn: You can detach 1 Xyz Material from this card; add 1 Level 4 or lower Machine-Type monster from your Deck or Graveyard to your hand. When this card leaves the field: You can target 1 Level 3 or lower "Geargia" monster in your Graveyard; Special Summon that target.

Spell Quick

Send any number of other cards from your hand and/or field to the GY; choose that many Effect Monsters your opponent controls, and until the end of this turn, their ATK is halved, also their effects are negated. In response to this card's activation, your opponent cannot activate cards, or the effects of cards, with the same original type (Monster/Spell/Trap) as the cards sent to the GY to activate this card. You can only activate 1 "Forbidden Droplet" per turn.

Spell Normal

Send 1 "Therion" card, except "Therion Charge", or 1 "Endless Engine Argyro System" from your hand or your face-up Spell & Trap Zone to the GY; draw 2 cards. You can only activate 1 "Therion Charge" per turn.