I have found that Grixis Control doesnt need a sweeper fairly often to defeat aggressive decks and can win with pinpoint removal with an appearance from Kalitas, Traitor of Ghet
Instead, Mono-Blue often wins by drawing four cards, untapping three permanents, copying a spell, flickering an Artifact multiple times, and then saying, "I would like to present an infinite loop from here." And to help you get to that point in the game, a great Mono-Blue Commander should be able to give you repeatable value in one form or another
This isnt to say this combo will dominate Historic anytime soon, but its a potential application of the card to keep in mind
1 Neverwinter Hydra
With enough mana, its effectively a lord for your insects, although youd probably like to have The Swarmweaver on the field in support