Azmak, The Devourer

When Azmak, The Devourer enters the battlefield, you may sacrifice any number of lands. If you do, Azmak, The Devourer enters the battlefield with twice that many +1/+1 counters
Devour 2(When this creature enters the battlefield, you may sacrifice any number of creatures. If you do, this creature enters the battlefield with twice that many +1/+1 counters)