Umbreon (Neo Discovery) Umbreon is a fan-favorite Pokemon from the Johto region, and its Neo Discovery card is one of the coolest cards in the TCG
Plus, it appears through the manufacturing process, all of these cards do come slightly curved, so dont panic, throw them in some sleeves, and youll be good to go
Dark Magician Girl, has one of the more unique effects, however, "allowing you to search the library and making her stronger doing so." While it seems highly unlikely that Magic: The Gathering and Yugioh will ever get an official crossover - now that would be an MTG Universes Beyond set to take notice of - that doesn't stop fans of both games being interested in one another
Voidmage can provide a way to soft lock an opponent pretty effectively but this requires you to have reasonable board position and good amounts of blue mana
For instance, Goblin decks with Patriarchs Bidding famously made great use of Skullclamp as an additional way to get extra mileage out of Goblin Matrons and the like