Hour of Reckoning - Commander 2011

Hour of Reckoning
Sorcery

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for or one mana of that creature's color.)

Destroy all nontoken creatures.

"Ravnica, like a hedge, must be pruned, leaving only leaves of verdant uniformity."

—Niszka, Selesnya evangel