Hell's Thunder (ALA) from Shards of Alara, available at 401 Games Canada.

• Rarity: Rare
• Finish: Normal
• Artist: Karl Kopinski
• Card Text:
  Flying, haste
  At end of turn, sacrifice Hell's Thunder.
  Unearth 4R (4R: Return this card from your graveyard to play. It gains haste. Remove it from the game at end of turn or if it would leave play. Unearth only as a sorcery.)