The List

Gempalm Incinerator

Cycling {1}{R} ({1}{R}, Discard this card: Draw a card.)
When you cycle Gempalm Incinerator, you may have it deal X damage to target creature, where X is the number of Goblins on the battlefield.

Dominaria Remastered

Historic Anthology 3

Cycling {1}{R}
When you cycle Gempalm Incinerator, you may have it deal X damage to target creature, where X is the number of Goblins on the battlefield.

Duel Decks: Merfolk vs. Goblins

Treasure Chest

Duel Decks Anthology: Elves vs. Goblins

Duel Decks: Elves vs. Goblins

Cycling {1}{R} ({1}{R}, Discard this card: Draw a card.)
When you cycle Gempalm Incinerator, you may have it deal X damage to target creature, where X is the number of Goblins in play.

World Championship Decks 2003

Legions

Cycling {1}{R} ({1}{R}, Discard this card from your hand: Draw a card.)
When you cycle Gempalm Incinerator, you may have it deal X damage to target creature, where X is the number of Goblins in play.