+Mutiny (3)
Gain control of target creature until end of turn. Put a +1/+1 counter on it and untap it. That creature gains haste until end of turn. (It can attack and this turn.)
For each opponent, gain control of up to one target creature that player controls until end of turn. Untap those creatures. They gain haste until end of turn.
Target creature an opponent controls deals damage equal to its power to another target creature that player controls.
Gatherer works better in the Companion app!