Karrthus, Tyrant of Jund [Alara Reborn] SWSH138 you may change "target black

you may change "target black spell" to "target blue spell

{T}: Create a token that's a copy of target creature card in your graveyard

Though it may take an eternity

Set: Legions Type: Creature — Elf Rarity: Rare Cost: {2}{G} Flash

Set: Commander 2017 Type: Legendary Creature — Vampire Knight Rarity: Mythic Cost: {3}{R}{W}{B} Eminence — Whenever you cast another Vampire spell

Karrthus, Tyrant of Jund [Alara Reborn] SWSH138 you may change "target blackSet: Alara Reborn Type: Legendary Creature Dragon Rarity: Mythic Cost: {4}{B}{R}{G} Flying, haste When Karrthus, Tyrant of Jund enters the battlefield, gain control of all Dragons, then untap all Dragons. Other Dragon creatures you control have haste.