Spinerock Tyrant (ECL) from Lorwyn Eclipsed, available at 401 Games Canada.

• Rarity: Mythic Rare
• Finish: Normal
• Artist: Cory Godbey
• Card Text:
  Flying
  Wither (This deals damage to creatures in the form of -1/-1 counters.)
  Whenever you cast an instant or sorcery spell with a single target, you may copy it. If you do, those spells gain wither. You may choose new targets for the copy.