Flood the Engine

Blue's answer to a resolved threat has usually been a bounce spell or a tempo tap, both of which surrender the card the moment the creature comes back around or hits the battlefield again. This takes the other route: it does not remove the permanent, it disables it in place, stripping the creature or Vehicle of every ability and denying it its untap step so it stays tapped indefinitely. That combination matters because the abilities clause and the untap-lock reinforce each other. A creature that is only tapped down can be untapped by an outside effect or simply ride out a single attack step; a creature that has also lost all its abilities cannot vigilance its way out, cannot sacrifice itself for value, cannot pump or protect itself, and has no untap trigger to exploit. The aura is a soft answer to the biggest thing on the board, particularly the kind of enters-tapped-and-attacks or crewed body whose whole value lives in what it does rather than in the beats it deals. The trade blue accepts is permanence for a body left on the battlefield: the enchanted permanent still exists, still soaks removal from the opponent's perspective, and comes back to full function the instant the aura leaves. It is a lock, not a kill, and it asks you to keep the aura attached to keep the lock closed.