Codie, Vociferous Codex

The design starts from a prohibition and builds the whole engine on top of it: giving up permanent spells is the price of admission, and everything the card offers is an attempt to make that trade playable. What you get in exchange is a five-color mana engine welded to a cascade-style trigger that fires on your next spell and digs to an instant or sorcery of lower value, cast for free. That constraint is the entire puzzle. A deck built around it cannot run creatures, planeswalkers, artifacts, or enchantments as spells, so the whole library becomes a curve of instants and sorceries arranged so the free cast reliably hits something useful and, ideally, chains into another activation. The exiled misses go to the bottom in random order, so the engine punishes a deck that packs too many high-value spells with nothing beneath them to reveal. It demands a specific list rather than rewarding a good one: the deckbuilding is doing the work the card refuses to do itself. The 1/4 body is beside the point; this is a machine for turning mana into a self-sustaining spell chain, and it asks you to solve the sequencing problem it poses before it does anything at all. Few legendary creatures have ever narrowed the deckbuilding space this hard on purpose, and that severity is exactly what makes it a puzzle worth solving rather than a value piece to jam.