Leonardo, the Balance Bonus

TMC Teenage Mutant Ninja Turtles Eternal

Whenever a token you control enters, you may put a +1/+1 counter on each creature you control. Do this only once each turn. {W}{U}{B}{R}{G}: 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.)