Aes Sidhe Immortal

Undying (When this creature dies, if it had no +1/+1 counters on it, return it to the battlefield under its owner's control with a +1/+1 counter on it.)
{w}, Remove a +1/+1 counter from Aes Sidhe Immortal: You gain 1 life.
A longer life does not always equal a better one.