We can't aggro them down, so KOing their Characters and weakening their aggression is the main goal
Yeah, when you have a jackrabbit start against a creatureless deck and you can use this to get your guys back, its pretty good, but against a good chunk of the format, it either does nothing (no enters the battlefield ability) or helps your opponent out as well by giving them back a ton of good utility creatures
But, still, it's better than the $120+ market price, which is coincidentally on the rise again
It has been eighteen years since Betrayers, and the number of cards that ignore the legend rule in some shape, form, or fashion has increased, with many of them being released in the past two years, in Modern Horizons 2, Kamigawa: Neon Dynasty, Strixhaven: School of Mages, Commander Legends: Battle for Baldurs Gate, The Lord of the Rings: Tales of Middle-earth, Wilds of Eldraine, Commander Masters, and Doctor Who Commander
Brawl Not Legal Vintage Legal Timeless Not Legal Commander Legal Pauper Not Legal Oathbreaker Legal Penny Legal Toolbox Buy This Card Notes and Rules Information for Hydra Broodmaster: The value of each X in Hydra Broodmaster's last ability is equal to the value chosen for X when its monstrosity ability was activated
All of these are on artifact critters too, like the Izzet two-drop flyer Enthusiastic Mechanaut