The other honorable mention is Hurkyl, Master Wizard
If you are also packing any discard your Recoil will simply become a Vindicate around the midgame which is doubly yummy in blue and black where ways of dealing with artifacts and enchantments are limited and awkward
If you dont need to stop a Swords to Plowshares thats targeting your commander, maybe that Negate can snag a Bolass Citadel or Teferis Protection instead
The controller wants to defeat the Siege, because once the Siege's last defense counter is removed, it is exiled, and its controller gets to play its reverse face for free
That said, in closing, I do want to consider the anatomy of Bojuka Bog as a card
After grading and encapsulation, the cards will be shipped back to their owners