The Lost Caverns of Ixalan Non-foil Box Topper has no variants:
Explore this pack in Sealed.

Sheets

Sheet topper

At rate 1/20 (5.0%)
Amulet of Vigor
Arcane Signet
Archaeomancer's Map
Chalice of the Void
Chimil, the Inner Sun
Chromatic Orrery
Coat of Arms
Coercive Portal
Colossus Hammer
Everflowing Chalice
Expedition Map
Fist of Suns
Lightning Greaves
Mimic Vat
Strionic Resonator
Temple Bell
Thought Vessel
Wedding Ring
Whispersilk Cloak
Worn Powerstone