Timbercrush

Until end of turn, target Forest you control
gains "{t}: Destroy target noncreature, nonland permanent."
Overload—{1}{g}{g}, Discard a card. (You may
cast this spell for its overload cost. If you do, change
"target" in its text to "each.")
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If a tree falls in the forest and no one is around to
hear it, does it flatten everything in its path?