Wall of Essence 
Creature — Wall
Defender (This creature can't attack.) Whenever this creature is dealt combat damage, you gain that much life.
Legality
standardNOT LEGALpioneerLEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL
Creature — Wall
Defender (This creature can't attack.) Whenever this creature is dealt combat damage, you gain that much life.