Ajani, the Greathearted is a rare Legendary Planeswalker — Ajani card from War of the Spark Promos (PWAR), collector number 184p. Current market price: $2.38 (foil $4.65), TCGplayer market prices via Scryfall.
Creatures you control have vigilance. +1: You gain 3 life. −2: Put a +1/+1 counter on each creature you control and a loyalty counter on each other planeswalker you control.