Hotel of Fears
A supplemental-format plane that behaves like two dedicated-deck engines welded to a piece of Planechase furniture. The upkeep trigger runs a Dark Confidant loop from above the battlefield: it exiles your top card, charges you life equal to its mana value, and lets you play it that turn, turning the oversized plane itself into a repeatable card-advantage source rather than a static rule the way most planes offer. The Praise Him ability is the stranger half. Chaos ensues is the trigger the planar die fires, and here it reaches for devotion (the color-symbol count Theros built into permanents) to load X +1/+1 counters onto a creature you control, then demands you sacrifice another. Reading devotion off standing permanents and converting it into a swelling threat is machinery pulled from a set built around a committed single-color base, and that is the friction: a devotion payoff wants a mana base you would assemble across a whole deck, while the format it lives in shuffles its planes at random and never lets you plan around which one shows up. So the plane rewards a color commitment the format cannot guarantee, and pairs it with a sacrifice cost that thins the very board you are trying to grow. The result is an effect engineered for a dedicated build, sitting in a category that resolves by die roll.
