Chaos

Sustain 6 (This card gets 6 counters. Whenever you
are dealt damage, remove one. If there are none,
remove it from the game).
Whenever you cast a black spell, Amass 1. (Put a
+1/+1 counter on an army you control. If you don't
control one, create a 0/0 colorless Galactic Army
creature token first.)
{t}: Add {b}{b} to your mana pool.