Rasortis - Sorcerer of Duality

Rank IV - Master
When this card is played, you may play it
normal or as if it has Mutate on a Being card.
This card must be on top of its Mutate stack.
Flying, Doppelganger {3}{b}
Death Field {b}{b}{b} (Target up to three Being or Creature cards and destroy them, then gain Vitality
equal to their combined defense values.)