Blue Control in Vintage Blue-based control decks have a history in Vintage dating all the way back to the earliest days of the game
Despite the controversy surrounding Universes Beyond sets due to concerns that this dilutes the MTG IP, something that became even more prominent within the community after the announcement that UB sets in 2025 would be Standard-legal, the Final Fantasy set holds great promise in terms of cards and how faithful the adaptation is
Jin-Gitaxias, Core Augur is perhaps the most brutal of these cards, giving you seven extra cards at the end of every one of your turns while simultaneously reducing each opponents maximum hand size to zero, barring they themselves do not possess a card like Reliquary Tower or Spellbook
No abilities mean zero chapter abilities, meaning it dies
Two: it does work because it does the damage separately and not all at once meaning, it deals one to itself and then one to the player
Aether Vial decks, like Death & Taxes, put themselves far enough ahead to leverage that mana denial