Geistflame Reservoir [Innistrad: Midnight Hunt Prerelease Promos]

Set: Innistrad: Midnight Hunt Prerelease Promos Type: Artifact Rarity: Rare Cost: {2}{R} Whenever you cast an instant or sorcery spell, put a charge counter on Geistflame Reservoir.{1}{R}, {T}, Remove any number of charge counters from Geistflame Reservoir: It deals that much damage to any target.{1}{R}, {T}: Exile the top card of your library. You may play that card this turn.