Wall of Essence

{1}{W} · Creature — Wall

Defender (This creature can't attack.) Whenever this creature is dealt combat damage, you gain that much life.

Motor: se resuelve a mano

Rulings (1)

Wall of Essence’s triggered ability will trigger even if it’s dealt lethal damage. For example, if it’s dealt 7 combat damage, its ability will trigger and you’ll gain 7 life.
Wizards of the Coast · 2014-07-18