Modern is Aggro City and control is, and has been, largely absent
Ricardo Silva Ive written an article about Mishras Baubles prevalence and utility in Modern for Three For One Trading in the past
This is also the most powerful Phyrexian Praetor in Type Four where you have infinite mana so you can drop this turn one, but only one spell per turn, so this is a massive counter there
Its key insight is how Valley Floodcaller could combine with Enduring Vitality and Stormchaser's Talent to create a self-sustaining mana engine that generates arbitrarily large creatures
Since the card requires 25 lore to win the game, when you play the card, you can tap a new button on the lore counter that updates any opponent(s) lore counter to require 25 lore to win
If youre able to play it in your deck then you almost certainly should (unless you have certain stipulations in your deck), and 34,000 decks agree with me