With blacks take on convoke, it shows how a group of like minds can tear something down just as easily
Theres a caveat that it cant cheat out Pokmon with rule boxes, which includes EX, V, and VSTAR, but other than that, anything is fair game
They often have limited availability, so many of them are also worth a pretty penny
Atraxa's colors give you a lot of options for the best Stax pieces, which can even be tutored for thanks to having black, so you can play cards like Vampiric Tutor to get important Stax pieces out
Drawing in group hug decks is vital for the strategy and what makes Kwain such a staple in those decks
You can even play another copy of Shahrazad in the middle of a subgame to create a subgame within a subgame