I can see this as a somewhat decent filler kraken in a Dimir kraken EDH deck, but there isnt much to be excited about here other than that
Her +2 now scales in multiplayer settings and her -3 is less flexible but more cost-efficient (a worthy trade)
Each other creature you control becomes a copy of that creature until end of turn
Manifest Dread is an easy include if this is the kind of thing you want to do, especially since these decks dont often have tons of early plays
Maelstrom Wanderer (Haste Green/Blue/Red Creature) Cascade is one of the most broken abilities ever printed, and [c]Maelstrom Wanderer[/c] has it twice
Additionally, after removing two Psychic Energy cards, you can replace them with three Kirlia (Paldean Fates #28), two Munkidori (Prismatic Evolutions #44), two Scream Tail (Prismatic Evolutions #42) and two Darkness Energy to make the deck Standard-legal