Potion Combiner

A makeshift leather case to hold multiple potions at once.
You can load up to 3 potions in this holder and
drink them all in a single bonus action.
If you drink 2 potions at once, you have a 50%
chance of having to roll on the potion miscibility
scale. If you drink 3 potions at once, you have a 50%
chance of having to roll on the potion miscibility
scale twice and having the DM choose which result
to use. Otherwise, you must roll once and take the result.