At three mana, this is literally Timetwister, which I've heard is pretty good
This is also why three-drops are a bit limiting in blue decks: it is just too hard to slot in a later cantrip and play a three-drop after
You could also count redirect spells as removal
Torbran, Thane of Red Fell Red's strategy is aggressive and very interactive, based on a set of creatures and spells to create pressure on opponents, reducing life points and setting the pace of the match
This combination turns out to be a winning formula in Modern, and both UR Murktide as well as Deaths Shadow have been Tier 1 decks in the recent past, showcasing the strength of Darcy
As long as neither player is manipulating their library or using their graveyard, using a Millstone does nothing but reveal information until the player being milled runs out of cards, but it took more explanation than you can possibly imagine to make players understand this