Extraplanar Lens is a rare Artifact card from Mirrodin (MRD), collector number 169. Current market price: $13.84 (foil $27.89), TCGplayer market prices via Scryfall.
Imprint — When this artifact enters, you may exile target land you control. Whenever a land with the same name as the exiled card is tapped for mana, its controller adds one mana of any type that land produced.