Venom, Symbiote Devil

+1: Put a Symbiote Counter on target creature. Then, put a +1/+1 counter on each creature you control with a Symbiote Counter on them.
-3: Gain control of target creature you don't control with a Symbiote Counter on it.
-8: Distribute 5 Symbiote Counters among any number of target creatures you don't control, and gain control of them. They each get 3 +1/+1 counters.