Ruk, Orc Scholar

Ruk, Orc Scholar enters the battlefield with X
+1/+1 counters where X is equal to the amount
of cards you've drawn this turn.
If you would draw a card you may pay{1}. If you
do put a +1/+1 counter on Ruk, Orc Scholar.
When Ruk, Orc Scholar dies, draw cards equal to
the amount of +1/+1 counters on him.