Vantoo Reid

+4: Put a +1/+1 counter on each creature you control.
-12: Put X -1/-1 counters on each creature you control where X is the amount of +1/+1 counters on target creature you control.
-X: Create X 7/7 green/ black wurm tokens with trample. Put X +1/+1 counters on up to two target creatures.