Buy @ TCGplayer
Defender (This creature can't attack.)
Whenever you gain life, put a +1/+1 counter on Wall of Limbs.
{5}{B}{B}, Sacrifice Wall of Limbs: Target player loses X life, where X is Wall of Limbs's power.
If you gain life at the same time Wall of Limbs is dealt lethal damage (probably because you control a blocking creature with lifelink), Wall of Limbs’s triggered ability will trigger, but Wall of Limbs will be destroyed before the ability resolves.
The ability triggers just once for each life-gaining event, whether it’s 1 life from Soulmender or 8 life from Meditation Puzzle.
Use Wall of Limbs’s power as it last existed on the battlefield, including any +1/+1 counters it had, to determine the value of X.
