They are taken out to not bloat the Deck that much because Bursti too can make any Aesir (and use non-Nordics for all Synchro plays), Mimir's effect hardly ever comes up because you can simply just run Valk as your Level 2s, and especially because some Nordic Decks don't even need Level 2s
For starters, Shepard indicated that pretty much every external IP that has featured in MTG in releases like Universes Beyond or Secret Lair isnt immune to making a return to the game, thanks to the ongoing communication WOTC tend to keep with collaborators: I don't think there's ever an end to any partnership
Marco [Alternate Art] ST30-008 One Piece Japanese Starter Deck 30: Luffy & Ace Keep track of your collection value over time
Something super simple." Reader, it was not super simple
Some of the biggest game-changers were EX, GX, and V cards, including others such as BREAK and Tag Team variants
If youve played trading card games like Magic: The Gathering or Pokmon before, you know that setting up your deck beforehand is key