DARK 8

If this card is in your GY: You can Tribute 1 monster; Special Summon this card, then your opponent can add 1 monster from their GY to their hand. If this card is Special Summoned: You can target 2 of your banished monsters, including a Reptile monster; return them to the GY. You can only use each effect of "Aleirtt, the Ogdoadic Dark" once per turn.

DARK 3

You can reveal this card in your hand; your opponent randomly chooses 1 card from your entire hand, then you discard the chosen card. Then, if the discarded card was not "Danger!? Tsuchinoko?", Special Summon 1 "Danger!? Tsuchinoko?" from your hand, and if you do, draw 1 card. If this card is discarded: You can Special Summon this card. You can only use this effect of "Danger!? Tsuchinoko?" once per turn.

EARTH 3

During your Main Phase, you can equip this card to 1 face-up monster your opponent controls. That monster loses 800 ATK and DEF. When it is destroyed by battle and sent to the Graveyard, its controller sends cards equal to its Level from the top of their Deck to the Graveyard.

LIGHT 8

If this card is in your GY: You can Tribute 1 monster; Special Summon this card, then your opponent can Special Summon 1 monster from their GY, but negate its effects. If this card is Special Summoned: You can target 1 Level 4 or lower "Ogdoadic" monster in your GY; Special Summon it, but banish it when it leaves the field. You can only use each effect of "Keurse, the Ogdoadic Light" once per turn.

LIGHT 3

If this card is sent from the hand to your Graveyard: You can Special Summon it from the Graveyard. This card cannot be used as a Synchro Material Monster.

DARK 4

You can send this card from your hand to the GY; send 1 LIGHT Reptile monster from your Deck to the GY. If this card is Normal or Special Summoned: You can add 1 "Ogdoadic" Spell/Trap from your Deck to your hand. You can only use each effect of "Nauya, the Ogdoadic Remnant" once per turn.

DARK 10

If a monster(s) is sent from the hand or Deck to the GY, while this card is in your GY (except during the Damage Step): You can Special Summon this card, also you cannot Special Summon monsters until the end of the next turn, except Reptile monsters. If you control this card that was Special Summoned from the GY: You can target 1 monster in your GY, except "Nephilabyss, the Ogdoadic Overlord"; Special Summon it. You can only use each effect of "Nephilabyss, the Ogdoadic Overlord" once per turn.

WATER 4

If this card is sent to the GY by a card effect: You can Special Summon this card, but banish it when it leaves the field. You can only use this effect of "Night Sword Serpent" once per turn.

LIGHT 4

You can send this card from your hand to the GY; send 1 DARK Reptile monster from your Deck to the GY. If you control no monsters, or you control an "Ogdoadic" monster: You can Special Summon this card from your GY, but banish it when it leaves the field, also you cannot Special Summon monsters, except Reptile monsters, while this card is face-up in the Monster Zone. You can only use each effect of "Nunu, the Ogdoadic Remnant" once per turn.

DARK 4

You can Special Summon this card (from your hand) by banishing 1 Insect, Plant, or Reptile monster from your GY. You can only Special Summon "Ragnaraika Armored Lizard" once per turn this way. You can discard 1 Insect, Plant, or Reptile monster, then target 1 face-up monster your opponent controls, except an Insect, Plant, or Reptile monster; return it to the hand. You can only use this effect of "Ragnaraika Armored Lizard" once per turn.

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".

DARK 4

If this card is sent from the field to the GY, or Special Summoned from the GY: You can activate this effect; your opponent draws 1 card, and if they do, you add 1 "Ogdoadic" monster from your Deck to your hand, except "Zohah, the Ogdoadic Boundless", then, each player sends 1 card from their hand to the GY. If this card is in your GY: You can send 1 card from your hand to the GY; add this card to your hand. You can only use each effect of "Zohah, the Ogdoadic Boundless" once per turn.

LIGHT

2 Reptile monsters (Quick Effect): You can discard 1 monster; place A-Counters equal to its original Level on face-up monster(s) on the field, distributed as you wish. If this card is destroyed by battle or card effect and sent to the GY: You can Special Summon non-Link Reptile monsters with different names from your GY, up to the number of monsters your opponent controls with A-Counters. You can only use each effect of "Alien Shocktrooper M-Frame" once per turn.

WATER

2 monsters with different names You can banish 1 monster from your face-up field or GY with 2000 or less ATK, then target 1 face-up monster on the field; make its ATK become equal to the original ATK of the monster banished to activate this effect (until the end of this turn), then if you banished a monster that was originally Reptile, draw 1 card. You can only use this effect of "Haggard Lizardose" once per turn.

FIRE

2+ monsters, including an Insect, Plant, or Reptile monster If your opponent activates a monster effect (except during the Damage Step): You can activate this effect; neither player can activate the effects of monsters in the hand this turn. If this card is in your GY: You can target 1 Insect, Plant, or Reptile monster you control; place it on the bottom of the Deck, and if you do, Special Summon this card, also you cannot Special Summon for the rest of this turn, except Insect, Plant, or Reptile monsters. You can only use each effect of "Ragnaraika Chain Coils" once per turn.

WATER

2+ Insect, Plant, and/or Reptile monsters You can banish up to 2 monsters from your GY, then target that many Spells/Traps your opponent controls; destroy them. If this card is in your GY: You can target 1 Insect, Plant, or Reptile monster you control; place it on the bottom of the Deck, and if you do, Special Summon this card, also you cannot Special Summon for the rest of this turn, except Insect, Plant, or Reptile monsters. You can only use each effect of "Ragnaraika Selene Snapper" once per turn.

DARK

2 monsters, including a Reptile monster If this card is Link Summoned: You can target 1 face-up monster your opponent controls; change its ATK to 0. During your Main Phase, if your opponent controls a monster(s) with 0 ATK: You can add Reptile monsters with different names from your Deck to your hand, up to the number of monsters your opponent controls with 0 ATK, also, you cannot Special Summon monsters from the Extra Deck for the rest of this turn, except Reptile monsters. You can only use each effect of "Reptilianne Echidna" once per turn.

DARK

2 Level 4 monsters Once per turn: You can detach 1 Xyz Material from this card; add 1 Reptile-Type monster from your Deck to your hand.

Spell Normal

Both players discard as many cards as possible from their hands, then each player draws the same number of cards they discarded.

Spell Normal

Each player chooses 1 monster they control and switches control of those monsters with each other. Those monsters cannot change their battle positions for the rest of this turn.

Spell Normal

Toss a coin: ● Heads: Draw 2 cards. ● Tails: Your opponent draws 2 cards.

Spell Normal

Send 1 "Therion" card from your Deck to the GY. If this card is in your GY: You can target 1 "Therion" card in your GY; if both are still in your GY, add either that card or this card to your hand, and if you do, place the other on the bottom of your Deck. You can only use 1 "Endless Engine Argyro System" effect per turn, and only once that turn.

Spell Quick

Each player sends 2 cards from their hand to the GY, then draws 2 cards.

Spell Continuous

Monsters with 1500 or more ATK cannot declare an attack. Once per turn, during your Standby Phase, pay 100 LP or destroy this card.

Spell Field

If a face-up Reptile monster(s) you control is destroyed by battle or an opponent's card effect: You can target 1 card your opponent controls; send it to the GY. If this card in the Field Zone is destroyed by your opponent's card effect: You can send cards from the top of your opponent's Deck to the GY, equal to the number of Reptile monsters with different names in your GY. You can only use each effect of "Ogdoadic Origin" once per turn.

Spell Continuous

You can send 1 monster from your hand or field to the GY, then target 1 Reptile monster in your GY with a different original Attribute than that monster; Special Summon it. During the Main Phase, if a monster is sent to your opponent's GY: You can send 1 Reptile monster from your Deck to the GY. You can only use each effect of "Ogdoadic Serpent Strike" once per turn.

Spell Normal

Send 1 Reptile monster from your Deck to the GY, then if you have 5 or more Reptile monsters with different names in your GY, you can Special Summon 1 Reptile monster from your GY. You can only activate 1 "Ogdoadic Water Lily" per turn.

Spell Normal

Fusion Summon 1 "Metalfoes" Fusion Monster from your Extra Deck, using up to 1 monster each from your hand, field, and/or face-up Extra Deck as Fusion Material. You can only activate 1 "Parametalfoes Fusion" per turn.

Spell Quick

Set 2 Field Spells with different names from your Deck on the field (1 on your field, and 1 on your opponent's field). While either of those cards remain Set on the field, neither player can activate or Set other Field Spells.

Spell Normal

Discard 1 card. Select 4 Reptile-Type monsters from your Deck and send them to the Graveyard.

Spell Continuous

Only 1 monster can attack during each Battle Phase.

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 Continuous

Non-Reptile monsters you control cannot attack, also you cannot activate their effects. You can only use each of the following effects of "Viper's Grudge" once per turn. If a face-up Reptile monster(s) you control is destroyed by battle or sent to the GY: You can Special Summon 1 Level 4 or lower Reptile monster from your Deck. If this card is destroyed in the Spell & Trap Zone: You can return all your banished Reptile monsters to your GY.