Thalia is more generally playable but tends to be more hit and miss on the disruption, she will randomly be savage against some decks and far worse for your than them against others
Mix Atraxa, Grand Unifier, a multi-format all-star, with one of the most iconic video game villains of all time, and you have potential for a serious price tag
Low end Variance working against you: clunky draws, key cards buried, opponents' interaction lining up
3 Cloud, Midgar Mercenary Wield The Buster Blade, And The Colossus Hammer, And The Sword Of Hearth And Home, And The Helm Of The Host
It can even be very good against one of the best tier 1 decks in the format, UR Murktide, as it shrinks Dragons Rage Channeler, survives Lightning Bolt and removes cards to prevent Murktide Regent getting delved in at a discount