Masters Edition II Magic Online Booster has variants:
Explore this pack in Sealed.

Sheets

Sheet basic

At rate 1/5 (20.0%)

Sheet common (color balanced)

At rate 1/80 (1.25%)

Sheet uncommon

At rate 1/80 (1.25%)

Sheet rare_mythic

At rate 1/80 (1.25%)

Sheet foil

At rate 3/425 (0.71%)
At rate 1/320 (0.31%)
At rate 3/1600 (0.19%)