Chandra, Flamecaller is a mythic Legendary Planeswalker — Chandra card from Oath of the Gatewatch (OGW), collector number 104. Current market price: $0.43 (foil $3.11), TCGplayer market prices via Scryfall.
+1: Create two 3/1 red Elemental creature tokens with haste. Exile them at the beginning of the next end step. 0: Discard all the cards in your hand, then draw that many cards plus one. −X: Chandra deals X damage to each creature.