Trusted Pegasus 
Creature — Pegasus
Flying (This creature can't be blocked except by creatures with flying or reach.) Whenever this creature attacks, target attacking creature without flying gains flying until end of turn.
Legality
standardNOT LEGALpioneerLEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL