Glacial Behemoth

Creatures with less power than Glacial Behemoth can't block it.
Whenever Glacial Behemoth deals combat damage to a player, put a +1/+1 counter on it.
"As we prepared to leave, it flew from the ocean, almost capsizing out boat. Then, with its great maw, it bit off the stern and we fell in the water. I wouldn't suggest fishing there."
-Marco, fisherman