Most commonly weve seen these crossovers with other brands owned by Hasbro : Dungeons & Dragons products allow for games to be in MTG settings, or, of course, those pesky Transformers cards, starting with Grimlock, Dinobot Leader
9 Wiretap Rarity: Super Rare Card Pack: Master Pack Given how Trap Cards often ruin a players Yu-Gi-Oh
Are there any you think deserved a higher spot
If Copy Land somehow enters the battlefield at the same time as another permanent, Copy Land can't become a copy of that permanent
On turn two, if your opponent is playing Daze, play the second land then cast Reanimate, otherwise you can cast Animate Dead instead to save life
Their value is defined by the fact that they are extremely rare and make the card even more unique, especially when it comes to a rare Pokmon card