Fact or Fiction became such a powerhouse that it became an anagram for Vintage - "EOTFOFYL" which stood for "End of Turn, Fact or Fiction, You Lose." It led to dominant new decks in Vintage (such as a mono-Blue build called "BBS" for Blue BS which led to Morphing) and was ultimately restricted
In fact, many times we are notifying receivers that a counterfeit may be on the way to them before the card has even arrived
The Disney Lorcana: Ursulas Return Illumineers Trove reflects all things Ursula with its moody color palette and tendrils of a dark smoke
Palantr of Orthanc Palantr of Orthanc can get messy for your opponents, though it does scale better to 1v1 environments with lower life totals
1 Full-art foil Supporter card featuring Marnie
And while there are some legendary creatures that can be alternatively cast for a non-creature half, that seems like a lot of hoops to jump through to then give all your creatures what you actually wanted two turns later