Olf, Frozen Guardian

Defender, Vigilance
Olf, Frozen Guardian Can block any number of creatures
each turn
Olf, Frozen Guardian can attack as if it didn't
have defender if it has power 8 or more
At the begging of your end phase, put a
+1/+1 counter on Olf, Frozen Guardian for each creature it blocked this turn
As unyielding and as slow as the northern glacier