Aven Flock 

Creature — Bird Soldier
Flying (This creature can't be blocked except by creatures with flying or reach.)
: This creature gets +0/+1 until end of turn.
Legality
standardNOT LEGALpioneerNOT LEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL