Adventures in the Forgotten Realms Draft Booster has variants:
Explore this pack in Sealed.

Sheets

Sheet basic

At rate 1/20 (5.0%)

Sheet common_with_showcase (color balanced)

At rate 1/101 (0.99%)
At rate 2/303 (0.66%)
At rate 1/303 (0.33%)

Sheet 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 1/70 (1.43%)
At rate 1/105 (0.95%)
At rate 1/140 (0.71%)
At rate 1/210 (0.48%)
At rate 1/420 (0.24%)

Sheet foil_with_showcase

At rate 3/605 (0.5%)
At rate 2/605 (0.33%)
At rate 1/320 (0.31%)
At rate 3/1400 (0.21%)
At rate 1/480 (0.21%)
At rate 1/605 (0.17%)
At rate 1/700 (0.14%)
At rate 3/2800 (0.11%)
At rate 1/960 (0.1%)
At rate 1/1400 (0.07%)
At rate 1/2800 (0.04%)