Strength in Numbers 
Instant
Until end of turn, target creature gains trample and gets +X/+X, where X is the number of attacking creatures.
Legality
standardNOT LEGALpioneerNOT LEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL
Instant
Until end of turn, target creature gains trample and gets +X/+X, where X is the number of attacking creatures.