Slaughter Cry 
Instant
Target creature gets +3/+0 and gains first strike until end of turn. (It deals combat damage before creatures without first strike.)
Legality
standardNOT LEGALpioneerNOT LEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL
Instant
Target creature gets +3/+0 and gains first strike until end of turn. (It deals combat damage before creatures without first strike.)