Possibility Storm and Adventure cards (different Bug then previously posted)
1) Have possibility storm in play
2) Cast an the "Sorcery" portion of an adventure spell
Expected result as per rules) the cast adventure spell is exiled, then you exile cards from the top of your library until you exile a sorcery spell you may cast that spell without paying its mana cost. Then put all cards exiled with Possibility Storm on the bottom of his or her library in a random order.
Result as of latest Patch) the same process as above but instead of only exiling cards until a Sorcery is exiled, It exiles cards until either a sorcery OR A CREATURE is exiled.
As per ruling 715.3b "While on the stack as an Adventure, the spell has only its alternative characteristics." when cast as a sorcery the card does not have the type creature and should not consider creatures exiled as part of possibility storm's effect to share a type with it.
This bug also occurs with the instant portion of adventure spells.
This now makes decks built around the interaction between Adventures and Possibility Storm completely unplayable.

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fire10798#62830 commented
I just ran into this issue yesterday and it's still not fixed. Pretty frustrating as I wanted to play this deck.
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jktorborg#58585 commented
Yep. My "Spellshift" into "Primal Surge" (Spellshift cast targeting an adventure on the stack) bug, similar circumstances, also does not work. But, for that bug which has 11 upvotes, it's only been 19 months. Don't worry, I'm sure they'll get right on it... I won't be holding my breath for this one either. Upvoting hoping it makes it through the fog...
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Kevman91#66142 commented
5 months later and this bug still persists. I'm actively not putting money into the program due to the state of how many bugs there are. The cards I purchased don't function properly so why would I buy more?
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LittleRedHen#12668 commented
Having the same exact issue...
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Zeth#88941 commented
3 months later still no fix. Great job WotC...
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TDErickson#98829 commented
Same issue here League #5818 - Match #240351696 - Game #764750732
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Eltripol#15384 commented
Also broken with Modular DFCS in the same fashion