Goblin Pyromancer (ONS) from Onslaught, available at 401 Games Canada.

• Rarity: Rare
• Finish: Normal
• Artist: Edward P. Beard, Jr.
• Card Text:
  When Goblin Pyromancer comes into play, all Goblins get +3/+0 until end of turn.
  At end of turn, destroy all Goblins.