Diamond Mare 
Artifact Creature — Horse
As this creature enters, choose a color. Whenever you cast a spell of the chosen color, you gain 1 life.
Legality
standardLEGALpioneerLEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL
Artifact Creature — Horse
As this creature enters, choose a color. Whenever you cast a spell of the chosen color, you gain 1 life.