Kaladesh has variants:
Explore this pack in Sealed.

Sheets

Sheet basic

At rate 1/15 (6.67%)

Sheet common (color balanced)

At rate 1/101 (0.99%)

Sheet uncommon

At rate 1/80 (1.25%)

Sheet rare_mythic

At rate 2/121 (1.65%)
At rate 1/121 (0.83%)

Sheet foil_or_masterpiece_1_in_144

At rate 47/9454 (0.5%)
At rate 1/326 (0.31%)
At rate 48/19723 (0.24%)
At rate 24/19723 (0.12%)
At rate 1/978 (0.1%)