Gempalm Incinerator is a uncommon Creature — Goblin card from Dominaria Remastered (DMR), collector number 322. Current market price: $0.22 (foil $0.43), TCGplayer market prices via Scryfall.
Cycling {1}{R} ({1}{R}, Discard this card: Draw a card.) When you cycle this card, you may have it deal X damage to target creature, where X is the number of Goblins on the battlefield.