Notably, her first ability allows her to draw a card on other players' turns while also potentially dealing damage on other players' turns if she casts a spell outside of her own turn
Red is perfect for going wide, and it offers cards like Purphoros, God of the ForgePurphoros, God of the Forge for token-centric builds, while green has counter-based support, which we can use to leverage Chishiro's second ability for a more go-tall build
Ice, for instance, is hit super effectively by four different types, while resisting only itself
Interestingly, one of the chase cards for Mega Dream ex - N's Zekrom - is a promo card included with the Ascended Heroes ETB, and there'll be a Pokmon Center-stamped version for those lucky enough to buy one from the company directly