Hammerhead Tyrant
Creature — Dragon
Flying
Whenever you cast a spell, return up to one target nonland permanent an opponent controls with mana value less than or equal to that spell's mana value to its owner's hand.
Without subjects, but a tyrant nonetheless.
6/6
イラスト：
適正
裁定
2025年4月4日
If a permanent has 
in its mana cost, X is 0 for the purpose of determining its mana value.
2025年4月4日
If a spell has in its mana cost, use the value of X chosen as it was cast to determine that spell’s mana value.