Swarm Surge 
Sorcery
Devoid (This card has no color.) Creatures you control get +2/+0 until end of turn. Colorless creatures you control also gain first strike until end of turn.
Legality
standardNOT LEGALpioneerLEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL