Virulon, Lord of Plagues

+3: Put three poison counters on target player or destroy target creature with toughness 3 or less, then Proliferate.
0: Until your next upkeep, Virulon is a 6/6 black and green Germ creature with indestructible, hexproof, and infect.
-12: Create X 0/1 black Germ creature tokens with infect and a contagion counter where X is your life total. Then proliferate and proliferate again.