Dromar's Cavern (DMR) from Dominaria Remastered, available at 401 Games Canada.

• Rarity: Uncommon
• Finish: Normal
• Artist: Franz Vohwinkel
• Card Text:
  When Dromar's Cavern enters the battlefield, sacrifice it unless you return a non-Lair land you control to its owner's hand.
  T: Add W, U, or B.