Editor’s note: The following information has not yet been confirmed or denied by Wizards of the Coast (WotC) and should be treated as such until an official statement has been made.
Reddit user ComboBreach shared the image to both the MagicTCG and MTGRumors subreddits earlier today, stating that they received it “from a friend.” While the image quality is low, many are speculating that the leak is authentic based on specific qualities like the unique artwork and watermark. Other users point to the power/toughness alignment and other spacing issues as indicators that it is fake.
From what we’re able to make out, the card appears to be titled “Sheoldred, Insidious Conqueror” with abilities that read:
While WotC has yet to confirm or deny the authenticity of this card, it would fit previous story patterns for the Phyrexian Praetor to appear on Dominaria.