Nyx

Planechase cards live in a strange design register: they are not spells you cast, not permanents you control in any normal sense, but environmental rules-text that rewrites the game for everyone at the table until a die roll moves the plane along. This one takes that license and does something a card in a player's own deck could never justify. Turning every nontoken creature into an enchantment is a global type-line rewrite, the kind of static that would warp constructed play if it sat on a permanent you could reliably deploy; here it is a shared condition of the plane, and it retroactively makes the whole table's board an enchantment-matters engine. That is the setup for the constellation trigger, which fires on every enchantment entering under your control, meaning every creature you play now gains you a point of life. The chaos ability is the devotion signature: it reads your pip count and converts it into a mana burst in a color of your choice, rewarding a board that leans hard into one color's pips. The three lines braid together: the type-rewrite feeds the constellation lifegain, and both reward the pip-dense boards the chaos payoff also wants. It compresses the entire devotion-and-enchantment thesis into a single plane, built to make the whole table temporarily play the game those ideas were designed around.