泥(でい)地(ち)の養(よう)育(いく)者(しゃ)、フーグル

At the beginning of your end step, conjure a card named Slimy Dualleech onto the battlefield if you control no Leeches. Otherwise, put a +1/+1 counter on each Leech you control.

, Sacrifice a creature: Add an amount of equal to the sacrificed creature's power.