Strixhaven: School of Mages has variants:
Explore this pack in Sealed.

Sheets

Sheet sta

At rate 1/27 (3.7%)
At rate 2/225 (0.89%)
At rate 1/225 (0.44%)

Sheet lesson

At rate 1/10 (10.0%)
At rate 1/55 (1.82%)
At rate 1/110 (0.91%)

Sheet nonlesson_common (color balanced)

At rate 1/96 (1.04%)

Sheet uncommon

At rate 1/80 (1.25%)

Sheet nonlesson_rare_mythic

At rate 1/74 (1.35%)
At rate 1/148 (0.68%)

Sheet foil

At rate 1/175 (0.57%)
At rate 1/320 (0.31%)
At rate 1/530 (0.19%)
At rate 1/1060 (0.09%)