Explorer's Scope (CNS) from Conspiracy, available at 401 Games Canada.

• Rarity: Uncommon
• Finish: Normal
• Artist: Vincent Proce
• Card Text:
  Whenever equipped creature attacks, look at the top card of your library. If it's a land card, you may put it onto the battlefield tapped.
  Equip 1 (1: Attach to target creature you control. Equip only as a sorcery.)