Skirk Commando is a common Creature — Goblin card from Onslaught (ONS), collector number 228. Current market price: $0.13 (foil $0.42), TCGplayer market prices via Scryfall.
Whenever this creature deals combat damage to a player, you may have it deal 2 damage to target creature that player controls. Morph {2}{R} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)