Common Cause 

Enchantment
Nonartifact creatures get +2/+2 as long as they all share a color.
Legality
standardNOT LEGALpioneerNOT LEGALmodernNOT LEGALlegacyLEGALvintageLEGALcommanderLEGAL
Enchantment
Nonartifact creatures get +2/+2 as long as they all share a color.