Baloth Cage Trap (Foil) (ZEN) from Zendikar, available at 401 Games Canada.

• Rarity: Uncommon
• Finish: Foil
• Artist: Austin Hsu
• Card Text:
  If an opponent had an artifact enter the battlefield under his or her control this turn, you may pay 1G rather than pay Baloth Cage Trap's mana cost.
  Put a 4/4 green Beast creature token onto the battlefield.