Evolving Door

{1}, {T}, Sacrifice a creature: Count the colors of the sacrificed creature, then search your library for a creature card that's exactly that many colors plus one. Exile that card, then shuffle. You may cast the exiled card. Activate only as a sorcery.

{1}，{T}，犧牲一個生物：計算所犧牲生物的顏色種數，然後從你牌庫中搜尋一張顏色種數正好為該數量加一的生物牌。放逐該牌，然後洗牌。你可以施放所放逐的牌。只能於巫術時機起動。