生物 ~真菌/野兽
9 / 7
此咒语减少

来施放,X为你本回合中获得过的生命数量。
践踏
在你的结束步骤开始时,若你本回合中获得过生命,则你可以从你的坟墓场中施放孢背楚吉兽。
You still need to pay the cost to cast Sproutback Trudge from your graveyard.
The cost reduction can reduce only generic mana in a spell’s total cost. It can’t reduce the cost to cast Sproutback Trudge beyond 
.
You need to gain life before the end step begins for the last ability to trigger.
To determine the total cost of a spell, start with the mana cost or alternative cost you’re paying, add any cost increases, then apply any cost reductions (such as that of Sproutback Trudge’s first ability). Sproutback Trudge’s mana value is always 9, no matter what the total cost to cast the spell was.