Ajani, Mentor of Heroes is a mythic Legendary Planeswalker — Ajani card from Journey into Nyx (JOU), collector number 145. Current market price: $6.82 (foil $11.52), TCGplayer market prices via Scryfall.
+1: Distribute three +1/+1 counters among one, two, or three target creatures you control. +1: Look at the top four cards of your library. You may reveal an Aura, creature, or planeswalker card from among them and put it into your hand. Put the rest on the bottom of your library in any order. −8: You gain 100 life.