Unfinity Draft Booster has variants:
Explore this pack in Sealed.

Sheets

Sheet basic_alt

At rate 3/20 (15.0%)
At rate 1/20 (5.0%)

Sheet common

At rate 1/80 (1.25%)

Sheet uncommon_with_showcase

At rate 1/60 (1.67%)
At rate 1/90 (1.11%)
At rate 1/180 (0.56%)

Sheet rare_mythic_with_showcase

At rate 1/49 (2.04%)
At rate 2/147 (1.36%)
At rate 1/98 (1.02%)
At rate 1/147 (0.68%)
At rate 1/294 (0.34%)

Sheet attraction

At rate 1/135 (0.74%)

Sheet sunf_sticker

At rate 1/48 (2.08%)

Sheet foil_with_showcase

At rate 3/710 (0.42%)
At rate 1/240 (0.42%)
At rate 1/360 (0.28%)
At rate 3/1700 (0.18%)
At rate 1/720 (0.14%)
At rate 1/850 (0.12%)
At rate 3/3400 (0.09%)
At rate 1/1700 (0.06%)
At rate 1/3400 (0.03%)

Sheet shock

At rate 1/10 (10.0%)