Guilds of Ravnica Theme Booster Golgari has variants:
Explore this pack in Sealed.

Sheets

Sheet uncommon (duplicates allowed)

At rate 4/85 (4.71%)
At rate 1/85 (1.18%)

Sheet common (duplicates allowed)

At rate 4/125 (3.2%)
At rate 1/125 (0.8%)

Sheet rare_mythic

At rate 1/15 (6.67%)
At rate 1/30 (3.33%)
At rate 1/60 (1.67%)