Mysia, the Dark Queen

+2: Target creature gains extract for as long as you control Mysia.
-3: Put a -1/-1 counter on target creature you don't control. Create a token that's a copy of it except its a 1/1 black Horror.
-8: Triple the number of +1/+1 counters on each creature you control, then triple the number of -1/-1 counter on each creature you don't control.