Additional Details on Signature Cards

Hmm, again on this matter: maybe you’ve already opened all legendaries and thus got a duplicate? I’m not sure how it should be technically possible otherwise, since, according to the support article:

You will not receive more than one copy of a Legendary card, until you have owned all the Legendary cards in that card expansion.

There’s also been another issue: Unable to reroll? - #3 by SparkyElf-2852 — however, I’m not sure if that applies in your case.

PS

(Updated and edited)

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