Lurking Behemoth

Trample, Tribute 3 (As this creature enters the battlefield, an opponent of your choice may put three +1/+1 counters on it.)
When lurking Behemoth enters the battlefield, if tribute wasn't paid, it gains cloaking 4 (Put four cloak counters on this creature. at the beginning of your upkeep, remove a cloaking counter from this creature. This creature can't be blocked as long as you have a cloak counter on it.)