Heck, you even did that with your slow-grow last year!" And you would be right
The Magic: The Gathering and Warhammer 40,000 universes have combined into a new set of trading cards that should please fans of both
In the various three or more coloured versions of UG control decks I would always chose to play a Negate over an Actual Counterspell, those kinds of deck have an unrivalled ability to deal with permanents while coloured mana is more of an issue
Even if youre not winning the game this way, you can explore other synergies like Exquisite Blood or Sanguine Bond
A stax deck with a raw soft score of 28 (Bracket 2 territory) gets modified to 32, pushing it into Bracket 3
It's already making rounds in Mono-Red lists in pioneer, Mardu Vampire decks in modern, Boros and Rakdos aggro decks in standard, and a bunch of similar archetypes in commander