Hour of Reckoning
Card Type: Sorcery
Card Text: Convoke (Each creature you tap while casting this spell reduces its cost by or by one mana of that creature's color.)
Destroy all nontoken creatures.
Flavor Text: "Ravnica, like a hedge, must be pruned, leaving only leaves of verdant uniformity."
—Niszka, Selesnya evangel
Artist: Randy Gallegos