Platform: PC

Expected Result: "Painful Quandary Collected: 2", "River's Rebuke Collected:1"
Actual Result: "Painful Quandary Collected: 0", "River's Rebuke Collected:0"

Steps to reproduce the bug: Owning copies of a card in store, but from a different set and none from the set the store is actually selling. Only after buying the card will the number of "Collected" indicated in the store be properly computed to count all versions of the card owned.

When in Store, when you're trying to buy a card to add to collection, there's is a counter above the gems and coins to show how many of the card you already own, "Collected: 2"
That numbers seems to work incorrectly sometimes.

I play almost exclusively in Brawl formats, so I only care about owning 1 of the cards.

Today, I saw two cards in store, with a "Collected: 0", Painful Quandary and River's Rebuke, so i immediately bought them thinking i didn't already own them.

Was pretty surprised to see the "Collected" Number for Painful Quandary becoming "3" and for River's Rebuke "2" after spending my gold.

The cards in store were from the "Foundation" set, and the cards i already owned where from previous sets (Brothers' war and Ixalan)
The "collected" number was at 0 because i didn't own any copy of the cards from the Foundation set, it's only after i bought the cards that the Collected number went to properly check my collections from ANY version of the card, not just the Foundation version.

This bug costed me 5280 golds...