Rally the Forces 
Instant
Attacking creatures get +1/+0 and gain first strike until end of turn.
Legality
standardNOT LEGALpioneerNOT LEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL
Instant
Attacking creatures get +1/+0 and gain first strike until end of turn.