Animar, Voidsoul

Hexproof from monocolored.
Animar, Voidsoul enters the battlefield
with six +1/+1 counters on it.
Whenever you cast a creature spell, remove a
+1/+1 counter from Animar, Voidsoul.
Colorless creature spells cost {x} less, where {x} is the amount of +1/+1 counters on Animar,
Voidsoul.