Azlask, the Swelling Scourge

Whenever Azlask, the Swelling Scourge or another colorless creature you control dies, you
get an experience counter.
{w}{u}{b}{r}{g}: Creatures you control get
+X/+X until end of turn, where X is the
number of experience counters you have.
Scions and Spawns you control gain indestructible and annihilator 1 until end of
turn.