I've been tracking what rarities I open in the 5-card random packs.

Here is my data: Every pack had a rare or better. 6 of 25 packs(24%) were an Epic rare. 3 of 25(12%) came with a second uncommon. Every pack had an uncommon.

This is initial data only. I'll need like 575 more packs to say for sure what the statistics are.

But this is hinting at why cards like Honor the Pure are so hard to get for players - it looks like players have a higher chance of collecting all the Epic rare cards than of getting a specific uncommon.

By my count, there's 54 uncommons in the 279 cards released so far.

So to get a specific uncommon is 1/54 every time you open a pack. Well, sort of, we also need to add the chance at a second uncommon (1/54*3/25 = .2%) which results (1/54 = 0.0185... 0.002... = 0.2) in ** 2% **.

There are nine epic rare cards. The odds of opening an epic rare card looks like 25%, so 1 in 4. 1/4 * 1/9 = 1/36. So each time you open a pack, you have a 1 in 36 chance of opening a specific epic rare you want, which is 2.7%.

Therefore, it looks like getting a specific uncommon you need is harder than getting a specific epic rare card you need by almost a full percentage point.

(I'm not looking for reports of card pack openings unless you have a screenshot. I'm not trusting random strangers on the internet, sorry.)