Slingbow Trap (Foil) (WWK) from Worldwake, available at 401 Games Canada.

• Rarity: Uncommon
• Finish: Foil
• Artist: Daniel Ljunggren
• Card Text:
  If a black creature with flying is attacking, you may pay G rather than pay Slingbow Trap's mana cost.
  Destroy target attacking creature with flying.