Arixmethes, Slumbering Isle enters the battlefield tapped with five slumber counters on it.
As long as Arixmethes has a slumber counter on it, its a land. (It's not a creature.)
Whenever you cast a spell, you may remove a slumber counter from Arixmethes.
T: Add GU.
illus. Dimitar Marinski # 38/307