Alk'ar Ever Growing

Whenever you play a creature that does not
share a creature type with a creature you control
Alk'ar Ever Growing gains +1/+1 counter for
each creature type among creatures you control.
If Alk'ar Ever Growing's power is 10 or greater
it gains indestructible and annihilator 3
"The ancient text speaks of the heart of Terimi sealed
deep within the earth. I shiver at the thought of what
could lie below."