Leshrac's Messenger

Cumulative upkeep —Discard a card at random
(At the beginning of your upkeep, put an age counter
on this permanent, then sacrifice it unless you pay its
upkeep cost for each age counter on it.)
When you sacrifice Leshrac's Messenger, for each
age counter on it, create two 2/2 black Zombie
creature tokens. Then, draw a card for each
Zombie you control and gain that much life.