this post was submitted on 16 Oct 2023
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Considering about 33% of a set is rares, yeah, it is a big change. ~~Looking at draft, that's a 96% chance to open one more rare, and 83% chance to open two. If my math is right, that's 13 more rares in a pod on average.~~ (Don't math while waking up) The correct figure would be ~16 extra rares per pod.
I think it's just 8 extra rares/mythics per pod.
Assuming all the special guests are r/m, The List slot has 3.12% chance of being a rare.
About 1/7 (14.3%) foils is r/m.
We don't know the distribution of rarity in the wildcard slot, but I'll use the same distribution as the foils for a reasonable estimate.
That makes (3.12+14.3+14.3 ~=) 32 extra rares per 100 packs, or just under 8 per 24 packs.
Regarding the specific chances, considering they detailed the odds for the List spot but not the wildcards, I think it's more reasonable to assume chances are equal to the percentage of rares in a given set, which can vary dramatically, but I believe it's usually about 33%.
As for the math, I definitely went about it wrong (I was using 1-p^n^ for some reason, and I also did that wrong somehow). The right result would be closer to 16 rares per pod.
Why would they not adjust for rarity in this slot? They do it in all the other slots - it seems like a big leap to think that any specific common that can appear in this slot is equally as likely as any specific mythic.