Ajani's Comrade 
Creature — Elf Soldier
Trample At the beginning of combat on your turn, if you control an Ajani planeswalker, put a +1/+1 counter on this creature.
Legality
standardNOT LEGALpioneerLEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL