Unify the Immortal

Creatures your opponent controls with
+1/+1 counters on them lose their +1/+1
counters. Target creatures you control get X +1/+1 counters where X is the amount of +1/+1 counters you destroyed this turn.
"They didn't win, because I made they're
doom." — He said.
"That's what you think." — He responded.