Alchemist of Black Spells [ABPF-EN082] Ultimate Rare BT12-051 It gains ATK equal to

It gains ATK equal to the total ATK of all face-up "Blackwing" monsters on the field except itself

Set: Duel Terminal 1 Card type: Normal Trap Rarity: Common Attack: 0 Defense: 0 Activate only when your opponent Sets a Monster Card in Defense Position

Set: Dark Revelation Volume 4 Card type: Effect Monster Rarity: Rare Attack: 1800 Defense: 1800 If this card attacks an opponent's monster

except "Thunder Dragon Titan" (in which case you do not use "Polymerization")

Alchemist of Black Spells [ABPF-EN082] Ultimate Rare BT12-051 It gains ATK equal toSet: Absolute Powerforce Card type: Effect Monster Rarity: Ultimate Rare Attack: 1200 Defense: 1800 Once per turn, you can change this face up Attack Position card you control to face up Defense Position and place a Spell Counter on a face up card you control that you can place a Spell Counter on.