flavorText: The ceiling and the floor fell in love, but only the wall knew.
  —Dal saying
name: Wall of Essence
originalText: (Walls cannot attack.)
  For each 1 combat damage dealt to Wall of Essence, gain 1 life.
printings: M15, STH, TPR
text: Defender (This creature can't attack.)
  Whenever this creature is dealt combat damage, you gain that much life.
type: Creature — Wall