Serra Avenger [Champs and States] Karn {T}: Gain control of target

{T}: Gain control of target creature with power less than or equal to Old Man of the Sea's power for as long as Old Man of the Sea remains tapped and that creature's power remains less than or equal to Old Man of the Sea's power

Cao Cao commanded more than 1

the valiant Xiahou Dun fought on

Set: Modern Masters Type: Instant Rarity: Rare Cost: {W} Split second (As long as this spell is on the stack

Serra Avenger [Champs and States] Karn {T}: Gain control of targetSet: Champs and States Type: Creature Angel Rarity: Rare Cost: {W}{W} You can't cast this spell during your first, second, or third turns of the game. Flying, vigilance