Bystial/Byssted Deck Breakdown

DARK

2 Level 12 monsters During the turn, or turn after, your opponent Special Summoned 2 or more monsters from the Extra Deck, you can also Xyz Summon this card by using 1 monster you control with the highest ATK (your choice, if tied). (Transfer its materials to this card.) If you do, you cannot Normal or Special Summon monsters for the rest of this turn. While this Xyz Summoned monster is on the field, neither player can activate the effects of monsters with 3000 or more ATK. Once per turn: You can detach 1 material from this card; return 1 monster from the field to the hand.

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.

Trap Normal

Target 1 Level 7 or higher LIGHT Fiend monster you control; send all cards on the field to the GY that are not that monster. If your opponent Special Summons a monster(s), while this card is in your GY: You can banish this card; send 1 "Fiendsmith" monster from your Deck or Extra Deck to the GY. You can only use each effect of "Fiendsmith in Paradise" once per turn.

Spell Quick

Target 1 monster in your opponent's GY; banish it, and if you do, until the end of the next turn, its effects are negated, as well as the activated effects and effects on the field of monsters with the same original name.

Spell Normal

Negate the effects of all face-up monsters your opponent currently controls, until the end of this turn, also, for the rest of this turn after this card resolves, your opponent takes no damage. Neither player can activate monster effects in response to this card's activation.

FIRE 3

When a card or effect is activated that includes any of these effects (Quick Effect): You can discard this card; negate that effect. ● Add a card from the Deck to the hand. ● Special Summon from the Deck. ● Send a card from the Deck to the GY. You can only use this effect of "Ash Blossom & Joyous Spring" once per turn.

DARK 4

Cannot be Normal Summoned/Set. Must be Special Summoned (from your hand) by banishing 1 LIGHT monster from your GY. You can only Special Summon "Black Dragon Collapserpent" once per turn this way. If this card is sent from the field to the GY: You can add 1 "White Dragon Wyverburster" from your Deck to your hand.

LIGHT 4

Cannot be Normal Summoned/Set. Must be Special Summoned (from your hand) by banishing 1 DARK monster from your GY. You can only Special Summon "White Dragon Wyverburster" once per turn this way. If this card is sent from the field to the GY: You can add 1 "Black Dragon Collapserpent" from your Deck to your hand.

DARK

2 monsters, including a DARK monster (This card is always treated as a "Familiar-Possessed" card.) You can target 1 DARK monster in your opponent's GY; Special Summon it to your zone this card points to. If this Link Summoned card is destroyed by battle, or is destroyed by an opponent's card effect while in its owner's Monster Zone: You can add 1 DARK monster with 1500 or less DEF from your Deck to your hand. You can only use each effect of "Dharc the Dark Charmer, Gloomy" once per turn.

Spell Normal

Destroy all Spell and Trap Cards your opponent controls.

LIGHT 6

You can discard this card; add 1 "Fiendsmith" Spell/Trap from your Deck to your hand. You can target 1 "Fiendsmith" Equip Card you control and 1 monster on the field; send them to the GY. If this card is in your GY: You can shuffle 1 other LIGHT Fiend monster from your GY into the Deck/Extra Deck; Special Summon this card. You can only use each effect of "Fiendsmith Engraver" once per turn.

LIGHT 9

"Fiendsmith Engraver" + 2 LIGHT Fiend monsters (Quick Effect): You can negate the effects of a number of face-up cards on the field, up to the total Link Rating of Link Monsters equipped to this card, until the end of this turn. If this card is sent to the GY: You can shuffle 1 other LIGHT Fiend monster from your GY into the Deck/Extra Deck, then target 1 card on the field; send it to the GY. You can only use each effect of "Fiendsmith's Desirae" once per turn.

WATER

2 Level 6 Fiend monsters When a Spell/Trap Card, or monster effect, is activated that includes an effect that Special Summons a monster (Quick Effect): You can detach 1 material from this card; negate the activation, and if you do, destroy that card, then you can make 1 other "D/D" monster you control and this card gain 1800 ATK until the end of this turn. If this card is sent from the field to the GY: You can add 1 "Dark Contract" card from your Deck to your hand.

Trap Normal

Target 1 face-up monster your opponent controls; negate its effects (until the end of this turn), then, if this card was Set before activation and is on the field at resolution, for the rest of this turn all other Spell/Trap effects in this column are negated. If you control no cards, you can activate this card from your hand.

DARK 7

If your opponent Special Summons a Link Monster(s) (except during the Damage Step): You can Special Summon this card from your hand, draw cards equal to the number of Link Monsters your opponent controls +1, then shuffle cards from your hand into the Deck equal to the number of Link Monsters they control. When your opponent activates a card or effect that targets a monster(s) you control (Quick Effect): You can discard 1 card; negate the activation, and if you do, destroy it. You can only use each effect of "Fantastical Dragon Phantazmay" once per turn.

DARK

2 Effect Monsters Cannot be used as Link Material the turn it is Link Summoned. If a monster(s) you control would be destroyed by battle or card effect, you can Tribute 1 Fiend monster instead. You can target 1 Fiend monster in your GY, except "Muckraker From the Underworld"; discard 1 card, and if you do, Special Summon that monster, also you cannot Special Summon monsters for the rest of this turn, except Fiend monsters. You can only use this effect of "Muckraker From the Underworld" once per turn.

Trap Normal

If your opponent controls a card, you can activate this card from your hand. When a card or effect is activated that includes an effect that Special Summons a monster(s): Negate that effect, then if you have a Trap in your GY, destroy that card. If you activated this card from your hand, you cannot activate the effects of LIGHT, EARTH, and WIND monsters for the rest of this Duel. You can only activate 1 "Dominus Impulse" per turn.

DARK

3+ Effect Monsters Cannot be destroyed by battle. Once per turn (Quick Effect): You can target 1 Attack Position monster; change it to Defense Position, also, this card can make a second attack during each Battle Phase this turn. Your opponent cannot activate cards or effects in response to this effect's activation. Once per turn, when this card declares an attack on a face-up monster: You can activate this effect; until the end of this turn, this card gains ATK equal to half that monster's current ATK, and if it does, that monster's current ATK is halved.

DARK 6

You can target 1 LIGHT or DARK monster in either GY; banish it, and if you do, Special Summon this card from your hand. This is a Quick Effect if your opponent controls a monster. If this card is sent from the field to the GY: You can target 1 Special Summoned monster your opponent controls; send it to the GY. You can only use each effect of "Bystial Druiswurm" once per turn.

EARTH 7

If you control no monsters, you can Special Summon this card (from your hand). You can only use each of the following effects of "Kashtira Fenrir" once per turn. During your Main Phase: You can add 1 "Kashtira" monster from your Deck to your hand. When this card declares an attack, or if your opponent activates a monster effect (except during the Damage Step): You can target 1 face-up card your opponent controls; banish it, face-down.

LIGHT

2 monsters, including a LIGHT Fiend monster During your Main Phase: You can Fusion Summon 1 Fiend Fusion Monster from your Extra Deck, by shuffling its materials from your GY into the Deck. You can target 1 LIGHT non-Link Fiend monster you control; equip this card from your field or GY to that monster you control as an Equip Spell with the following effect. ● Your opponent cannot target the equipped monster with card effects. You can only use each effect of "Fiendsmith's Sequence" once per turn.

DARK

2+ Effect Monsters Your opponent cannot activate cards or effects in response to this card's effect activations. If this card is Link Summoned: You can target 1 Link Monster that was used as material for its Link Summon; this card gains ATK equal to that monster's Link Rating x 1000. You can banish 1 Link Monster from your field or GY; destroy 1 card your opponent controls, also for the rest of this turn, you cannot banish monsters with that same Attribute to activate this effect of "Accesscode Talker".

DARK 6

You can target 1 LIGHT or DARK monster in either GY; banish it, and if you do, Special Summon this card from your hand. This is a Quick Effect if your opponent controls a monster. If this card is Special Summoned: You can activate this effect; during the End Phase of this turn, add 1 Dragon monster from your Deck or GY to your hand, except "Bystial Magnamhut". You can only use each effect of "Bystial Magnamhut" once per turn.

Spell Normal

Add 1 LIGHT Fiend monster from your Deck to your hand, then discard 1 card. You can banish this card from your GY; Fusion Summon 1 "Fiendsmith" Fusion Monster from your Extra Deck, using monsters from your hand or field. You can only use each effect of "Fiendsmith's Tract" once per turn.

Trap Normal

At the end of the Battle Phase, if your opponent controls more cards than you do: You can make your opponent banish cards from their field face-down so they control the same number of cards as you do. If you control no cards, you can activate this card from your hand.

FIRE

2 monsters with different names If this card is Link Summoned: You can discard 1 card, then target 1 Spell/Trap your opponent controls; destroy it, then, if this card was co-linked when this effect was activated, you can draw 1 card. You can only use this effect of "Knightmare Phoenix" once per turn. Co-linked monsters you control cannot be destroyed by battle.

DARK 6

You can target 1 LIGHT or DARK monster in either GY; banish it, and if you do, Special Summon this card from your hand. This is a Quick Effect if your opponent controls a monster. If your opponent Special Summons a Ritual, Fusion, Synchro, Xyz, and/or Link Monster(s) (except during the Damage Step): You can Tribute 1 other LIGHT or DARK monster, then target 1 of those Special Summoned monsters; banish it. You can only use each effect of "Bystial Baldrake" once per turn.

WIND 3

If your opponent Special Summons a monster(s) face-up (except during the Damage Step): You can discard this card, then target 1 of those face-up monsters; negate its effects until the end of this turn, also if that face-up monster leaves the field this turn, its controller takes damage equal to its original ATK. You can only use this effect of "Ghost Mourner & Moonlit Chill" once per turn.

DARK 1

(Quick Effect): You can discard this card to the GY, then target 1 card in your opponent's GY; banish that target.

Spell Normal

If you control no face-up cards: Activate 1 of these effects; ● Destroy all Attack Position monsters your opponent controls. ● Destroy all Spells and Traps your opponent controls. You can only activate 1 "Lightning Storm" per turn.

LIGHT 3

When a monster on the field activates its effect, or when a Spell/Trap that is already face-up on the field activates its effect (Quick Effect): You can send this card from your hand or field to the GY; destroy that card on the field. You can only use this effect of "Ghost Ogre & Snow Rabbit" once per turn.