Barge In 
Instant
Target attacking creature gets +2/+2 until end of turn. Each attacking non-Human creature gains trample until end of turn.
Legality
standardNOT LEGALpioneerLEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL
Instant
Target attacking creature gets +2/+2 until end of turn. Each attacking non-Human creature gains trample until end of turn.