Devouring Swarm 
Creature — Insect
Flying Sacrifice a creature: This creature gets +1/+1 until end of turn.
Legality
standardNOT LEGALpioneerNOT LEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL
Creature — Insect
Flying Sacrifice a creature: This creature gets +1/+1 until end of turn.