While at this point its pretty clear how good Force of Negation is, one underappreciated aspect of the card is its casting cost
Gorm works very well in any deck that allows creatures to assign combat damage equal to their toughness
We often will be on low Life cards, so we can easily activate his Rush to make use of his 7,000 Power attack
Aside from costing one mana less than Ashiok, he represents a very similar subgame: uptick to draw enchantments, downtick to exile a permanent (under an enchantment), ultimate to win the game (with your enchantments)
The sanguinist helps by giving a creature you control death touch to make trading unfavorable to get that preparation going
For example, Rare Candy SSH 180the print of Rare Candy from the Sword & Shield Base Setis legal in the format because Rare Candy CES 142the Celestial Storm print of the cardis from a set that is legal in the Alola format