Four cards were just unbanned in the Magic: the Gathering format Modern today. These cards were formerly quite powerful, but there has been a lot of "power creep" in the format. Many are saying that Splinter Twin won't even be played, for example — but Mox Opal wasn't expected to be unbanned, and could still be broken.

SaffronOlive asks on Twitter what odds people think of a reban, and gives these:

Resolves based on official Wizards of the Coast ban announcements.

General policy for my markets: In the rare event of a conflict between my resolution criteria and the agreed-upon common-sense spirit of the market, I may resolve it according to the market's spirit or N/A, probably after discussion.