Skirk Volcanist is a uncommon Creature — Goblin card from Scourge (SCG), collector number 104. Current market price: $0.07 (foil $1.19), TCGplayer market prices via Scryfall.
Morph—Sacrifice two Mountains. (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.) When this creature is turned face up, it deals 3 damage divided as you choose among one, two, or three target creatures.