Rakdos Guildmage (ARC) from Archenemy, available at 401 Games Canada.

• Rarity: Uncommon
• Finish: Normal
• Artist: Jeremy Jarvis
• Card Text:
  3B, Discard a card: Target creature gets -2/-2 until end of turn.
  3R: Put a 2/1 red Goblin creature token with haste onto the battlefield. Exile it at the beginning of the next end step.