MTG: Secret Lair Ultimate Edition - Rules of Play says:
Sealed Secret Lair Ultimate Edition Contains 1 Alternate-Art Arid Mesa, 1 Alternate-Art Marsh Flats, 1 Alternate-Art Misty Rainforest, 1 Alternate-Art Scalding Tarn, and 1 Alternate-Art Verdant Catacombs. Comes in a commemorative box that can be used for display.