What are the chances of rare & Ultra rares in the season pack?

[Leechbone]

I’m almost at my season pack so I want to know the chance of maybe getting an ultra rare or a rare

[Tetuna92]

Idk but heres what i got

Tell me what you got in the pack!!

[CosmicWolf]

Le shovell (it’s good if played right)

[pillin]

I just got upgrade cards for murder wing

[Leechbone]

I forgot to take a screenshot but I got gravedigger upgrade cards