Leonardo, the Balance (Borderless) [Teenage Mutant Ninja Turtles Commander]

Whenever a token you control enters, you may put a +1/+1 counter on each creature you control. Do this only once each turn.
WUBRG: Creatures you control gain menace, trample, and lifelink until end of turn.
Partner—Character select (You can have two commanders if both have this ability.)