Exemar, The Sleeping Ridge

Indestructible, Hexproof, Defender
At the beginning of your upkeep put a +1/+1
counter on Exemar, The Sleeping Ridge,
Whenever Exemar, The Sleeping Ridge has ten
or more +1/+1 on it it loses this ability.
Whenever Exemar, The Sleeping Ridge has ten
or more +1/+1 counters on it it loses defender
and gains trample.