Customers at Target have discovered the existence of Espeon / Umbreon Unified Minds Checklane blisters. This product includes a cosmofoil holo version of Espeon and Umbreon from Lost Thunder. Eevee from Ultra Prism has no cosmofoil treatment.
Also a TCGO code is included with each blister, which unlocks the cosmofoil versions of Espeon and Umbreon.
Target released these exclusive Checklane blisters before for the past Tag Team sets. We have had Onix/Steelix or Wailmer/Wailord with Unbroken Bonds and Pikachu/Raichu or Magikarp/Gyarados with Team Up. But I reckon this release will be popular among Eeveelution fans!
Much appreciated DragoniteLovers for providing the image!