Omarthis, Ghostfire initiate

Omarthis, Ghostfire Initiate enters the battlefield
with X +1/+1 counters on it.

Whenever you put one or more +1/+1 counters on
another colorless creature, you may put a +1/+1
counter on Omarthis.

When Omarthis dies, manifest a number of cards
from the top of your library equal to the number of
counters on it.