Thematically this deck rebuilds its large ensemble of characters in the World of Ruin, so the deck theme really plays into that section of the story
All four decks are powerful in their own way, but Scions & Spellcraft has the lowest impact potential
This is a numbers game, where miscalculating by 1 to leave an opposing character on board is going to be a big issue
Azurite Sea enchanteds instead lean heavily into the pirate/seafaring theming of the expansion, with characters, actions, items an locations reimagined against a cartographic background, bearing minamilistic drawings very reminicent of bare sketches
When Universes Beyond was first announced, Wizards of the Coast said the mechanically unique cards would be restricted from the games Standard format, which generally allows cards from the most recent sets