Double Cleave 
Instant
Target creature gains double strike until end of turn. (It deals both first-strike and regular combat damage.)
Legality
standardNOT LEGALpioneerNOT LEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL
Instant
Target creature gains double strike until end of turn. (It deals both first-strike and regular combat damage.)