mtg stamped cards Wilds of Eldraine Rare The End #87 The Gathering MTG - Black Lotus Stamp

Apart from the really rare cards, most Yu-Gi-Oh

Challenge Set 1 The Disney Lorcana Challenge competitive circuit of regional and championship events have unique cards given for attending and winning

Two or more creatures you control must attack the same player in order for Landroval, Horizon Witness's ability to trigger

Bard the Bowman

This could be highlighting certain Planes (such as a cube that uses cards from all sets that take place in Ravinca and/or cards that depict the plane), characters within the game, being a tribute to a specific Standard environment, or be limited to cards with specific printings, such as retro frames and white borders

Many chemisters are oblivious to the innumerable machinations of their guild, instead focusing obsessively on creating the perfect weird