Abrupt Decay
Instant
This spell can't be countered.
Destroy target nonland permanent with mana value 3 or less.
The Izzet quickly suspended their policy of lifetime guarantees.
イラスト：
Mystery Booster 2#78レア英語適正
裁定
2017年3月14日
The converted mana cost of a creature token is 0, unless that token is a copy of another creature, in which case it copies that creature’s mana cost.
2017年3月14日
If a permanent has 
in its mana cost, X is considered to be 0.