With over 46 possible themes, ranging from Goblins and Dinosaurs to Ninjas and more, replay value stays high even after cracking multiple packs
A large group of fans managed to take the thing down over the course of more than 24 hours, and then Square Enix patched the game to make the method unusable
Matoya, Archon Elder is a sweet draw engine, and I can see her fitting into Kenessos sea creatures, Tales of Middle-earth blue-green decks like Elrond and Galadriel, and shell also just generally be a good engine piece in graveyard strategies that surveil a lot, like Mirko, Obsessive Theorist
That said, dont let this hinder you in creating your own branch
Throne of Eldraine brought us this legendary weapon, one that made its presence known throughout its entire tenure in Standard