MTG: Secret Lair: Ultimate Edition 2 (Grey Box)
MTG: Secret Lair: Ultimate Edition 2 (Grey Box) - Rules of Play says:
This drop contains 10 foil full-art Pathway lands, featuring 20 pieces of exclusive “plane swapped” art—lands previously only seen on Zendikar will be depicted on the new plane of Kaldheim and lands you’ll see in Kaldheim will be depicted on Zendikar.