Thus you are prepared for future game expansions
[151] Whereas Secret Lair sets may only consist of a few cards that may be unplayable under normal rules, Universes Beyond sets include dozens of cards, including Commander decks and booster packs, and their cards are play-legal and often usable in most Magic gameplay formats
Among the different decks, each one also comes with a unique playstyle and approach to winning the game, so no two are going to be the same
Aegislash cannot take damage from ex Pokmon, and its 150 HP makes it rather difficult for non-ex Pokmon to deal with unless they have tools equipped to them that buff their damage
It's a candidate for inclusion even if you're not on the Legion axis, and if you're using Tsubasa, I think running 3 copies is fine
Yoriyuki Ikegamis lush, floral environment for Bulbasaur perfectly matches the Venusaur SIR, making it an essential piece for anyone building a naturalistic binder set