Great Demonic Black Dragon, Arch Enemy

■ [Call Cost] [Pay 2 gauge & Put a 《Black Dragon》 from your drop zone into this card's soul]

■ When this card attacks, deal 1 damage to your opponent! If there are ten or more cards in your opponent's drop zone, deal 2 damage to your opponent instead! If there are twenty or more, deal 4 damage to your opponent instead!

■ Soulguard