Souls of the Faultless 
Creature — Spirit
Defender (This creature can't attack.) Whenever this creature is dealt combat damage, you gain that much life and attacking player loses that much life.
Legality
standardNOT LEGALpioneerNOT LEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL