Ajani, Strength of the Pride is a mythic Legendary Planeswalker — Ajani card from The List (PLST), collector number M20-2. Current market price: $11.06, TCGplayer market prices via Scryfall.
+1: You gain life equal to the number of creatures you control plus the number of planeswalkers you control. −2: Create a 2/2 white Cat Soldier creature token named Ajani's Pridemate with "Whenever you gain life, put a +1/+1 counter on this token." 0: If you have at least 15 life more than your starting life total, exile Ajani and each artifact and creature your opponents control.