まき散らす殴打 (Scattering Stroke) (ja)
Instant
(CMC 4)
Counter target spell. Clash with an opponent. If you win, at the beginning of your next main phase, you may add an amount of equal to that spell's mana value. (Each clashing player reveals the top card of their library, then puts that card on the top or bottom. A player wins if their card had a higher mana value.)