The inclusion of Necrovalley can also be quite oppressive for decks built around chaos monsters, cutting off some decks primary answer to high attack monsters like Blade Knight or an Assailant boosted by Necrovalley
Mechanically, this means that Sagas stick around for a few turns granting you an effect every turn, until the story is complete, at which point they get sacrificed
It even has some cute interactions with Deaths Shadow and Lurrus, since you are able to loop the card by casting it every end step with Lurrus, and flashing Dress Down in after attacking with Deaths Shadow can give you lethal out of nowhere
Just how big is that horn exactly?) but the artist really struggled to depict running
With Lair of Darkness, all of your opponents monsters become dark
Instant and sorcery cards with miracle allow a player to cast a card immediately upon drawing it