巫術
從你的牌庫中搜尋至多X張總魔法力費用為X的生物牌,且名稱須各不相同,展示它們,將它們置於你手上,然後將你的牌庫洗牌。
If you cast Uncage the Menagerie with X as 0, you’ll search your library and shuffle it, but you won’t be able to find any cards.
For cards in your library with
in their mana costs, X is considered to be 0.