Cleaver Riot
Sorcery
Creatures you control gain double strike until end of turn. (They deal both first-strike and regular combat damage.)
Printings & Conditions (2)
Duel Decks: Merfolk vs. Goblins (DDT)(Duel Decks: Merfolk vs Goblins)#36Uncommon
Magic 2013 (M13)(Magic 2013 Core Set)#125Uncommon