Hammer Riot

Destroy target artifact or nonbasic land.
Reverberate X- {6}{r}{r} ({6}{r}{r}: Exile this card
from your hand with X wave counters on it. X equal
to the greatest power among creatures you control. At
the beginning of your upkeep, remove a wave counter
from it. If you do, you may cast a copy of this card
without paying its mana cost.)
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"This is why we can't have nice things."