Hour of Reckoning RAV/21

Set: Ravnica: City of Guilds
Collector Code: RAV/21
Name: Hour of Reckoning
Type: Sorcery
Oracle text: Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.) Destroy all nontoken creatures.
Rarity: Rare