Elrond of the White Council in particular can be super fun to play at the right time
3 Tasigur, The Golden Fang Choices, Choices A great pick for Commander players looking to get into a Sultai list, Tasigur, the Golden Fang is a neat Human Shaman creature that comes with delve tacked on, which has an interesting interaction in Commander
A bit more flexible, though
Spider-Man's Anti-Venom Card Already Has an OP Magic: The Gathering Combo The Spider-Man set is not even out yet, but many players are already theorycrafting decks dedicated to the various heroes, such as the Spider-Man 2099 cards in MTG
Finally, there are 10 holographic cards to collect as well: Related Gengar Mewtwo Mismagius Dusknoir Darkrai Chandelure Trevenant Gourgeist Mimikyu Hatterene Though this may seem like a lot to collect, the 40-pack bundles seem to alleviate this issue