Wave of Crumbling Rock

Wave of crumbling rock enters the battlefield tapped.

{t}: Add {c}{c}.
{t}: Add {w}, {u}, {b}, or {r} to your mana pool.

"A cruel spectacle. Out of pale anger, he caused the lands to crack open, tearing up a wave of crumbling stone and unleashing it on an innocent village that dared bend to his will."