Spell Burst (TSP) from Time Spiral, available at 401 Games Canada.

• Rarity: Uncommon
• Finish: Normal
• Artist: Terese Nielsen
• Card Text:
  Buyback 3 (You may pay an additional 3 as you play this spell. If you do, put this card into your hand as it resolves.)
  Counter target spell with converted mana cost X.