Chaos Sorcerer [LCYW-EN248] Super Rare BT2-064 then you can Special Summon

then you can Special Summon this card from your Fusion Deck (You do not use "Polymerization")

1 Dimir Keyrune

Set: Legendary Collection Kaiba Card type: Synchro/Effect Monster Rarity: Secret Rare Attack: 3000 Defense: 3000 1 DARK Tuner + 1 or more non-Tuner monsters Cannot be destroyed by battle or card effects

Set: Legendary Collection 5D's Card type: Normal Trap Rarity: Common Attack: 0 Defense: 0 When exactly 1 "Blackwing" monster (and no other monster) is Special Summoned: Target 1 face-up monster your opponent controls

Chaos Sorcerer [LCYW-EN248] Super Rare BT2-064 then you can Special SummonSet: Legendary Collection 3: Yugi's World Card type: Effect Monster Rarity: Super Rare Attack: 2300 Defense: 2000 Cannot be Normal Summoned Set. Must first be Special Summoned (from your hand) by banishing 1 LIGHT and 1 DARK monster from your Graveyard. Once per turn: You can target 1 face up monster on the field; banish that target. This card cannot attack during the turn you activate this effect.