Chandra's Incinerator is a rare Creature — Elemental card from Core Set 2021 (M21), collector number 302. Current market price: $2.21 (foil $2.63), TCGplayer market prices via Scryfall.
This spell costs {X} less to cast, where X is the total amount of noncombat damage dealt to your opponents this turn. Trample Whenever a source you control deals noncombat damage to an opponent, this creature deals that much damage to target creature or planeswalker that player controls.