Lifeblood Heart, Lilith

Lifeblood Heart, Lilith enters the battlefield with
a +1/+1 counter on it.
Lifeblood — Whenever you gain life add X +1/+1 counters onto Lifeblood Heart, Lilith, where X
is the life gained.
{x}{w}{t}: Remove X +1/+1 counters from
Lifeblood Heart, Lilith, for every counter
removed gain 1 life.