The Lost Caverns of Ixalan Draft Booster has variants:
Explore this pack in Sealed.

Sheets

Sheet cave_fullart_land

At rate 1/10 (10.0%)
At rate 3/50 (6.0%)

Sheet sfc_common (color balanced)

At rate 1/96 (1.04%)

Sheet dfc_common_uncommon

At rate 1/11 (9.09%)
At rate 1/22 (4.55%)

Sheet sfc_uncommon_with_showcase

At rate 1/80 (1.25%)
At rate 1/120 (0.83%)
At rate 1/240 (0.42%)

Sheet rare_mythic_with_showcase

At rate 1/75 (1.33%)
At rate 2/225 (0.89%)
At rate 22/2925 (0.75%)
At rate 44/8775 (0.5%)
At rate 1/225 (0.44%)
At rate 22/8775 (0.25%)
At rate 11/8775 (0.13%)

Sheet foil_with_showcase

At rate 3/565 (0.53%)
At rate 1/368 (0.27%)
At rate 9/4520 (0.2%)
At rate 1/552 (0.18%)
At rate 3/2260 (0.13%)
At rate 9/9040 (0.1%)
At rate 1/1104 (0.09%)
At rate 3/4520 (0.07%)
At rate 3/9040 (0.03%)