At worst, it can ramp you into bigger threats like Cavern-Hoard Dragon, Ancient Copper Dragon, or even Marut
The problem with Battle of Wits is that when you consider you will need 200 cards in your deck once it hits the battlefield and that it might take several (or many) turns to get Battle of Wits on the battlefield, you will need to play somewhere around 240 cards to make Battle of Wits work, which means you're increasing your deck size by 300%, which in turn leads to a massive drop in consistency, to the point where Battle of Wits simply isn't worth the cost in competitive decks
Tokens die when they are sacrificed and trigger death effects
I expect this card to be a massive hit in cEDH and casual alike
Between large crossovers like Fallout and Lord of the Rings, along with smaller products like Stranger Things and Street Fighter, Universes Beyond: Assassin's Creed fits firmly in between in terms of scale