Ajani Vengeant is a mythic Legendary Planeswalker — Ajani card from Shards of Alara (ALA), collector number 154. Current market price: $3.99 (foil $33.50), TCGplayer market prices via Scryfall.
+1: Target permanent doesn't untap during its controller's next untap step. −2: Ajani deals 3 damage to any target and you gain 3 life. −7: Destroy all lands target player controls.