Wojek Bodyguard 
Creature — Human Soldier
Mentor (Whenever this creature attacks, put a +1/+1 counter on target attacking creature with lesser power.) This creature can't attack or block alone.
Legality
standardNOT LEGALpioneerLEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL