The un-set that is half legal
Unfinity is the fifth un-set, themed as a carnival in space, and the first one designed so that a large part of it is legal in real formats. That split is the single most important thing about it.
Cards carry one of two stamps. An oval stamp, or no stamp at lower rarities, means the card is legal in Commander, Legacy and Vintage. An acorn stamp means the card does something the rules cannot support and is not legal in any sanctioned format. A little over half the set is eternal-legal, though only about a quarter of the rares and mythics.
The mechanics divide along the same line. Attractions and stickers are the acorn half's headline ideas, involving physical dice rolls and sticker sheets, while the eternal-legal half is mostly ordinary cards with unusual art and flavour.
Themes
Attractions
A separate deck of artifacts you open with a die roll each turn. If the number you roll is lit on the Attraction, it does its thing. They need physical dice, which is part of why they sit on the acorn side.
Stickers
Literal sticker sheets. Cards let you apply stickers to permanents to change names, art, power and toughness or add abilities. Memorable, and firmly outside what the rules engine can represent.
Tickets
The set's own resource, spent to open Attractions and apply stickers. It gives the acorn half a currency rather than making every effect free.
The eternal half
A little over half the set carries an oval stamp and works entirely within normal rules, which is what makes those cards Commander, Legacy and Vintage legal. The full-art basic lands from this half became some of the set's most sought-after cards.
Where You Can Play It
Unfinity is the one set on this site whose legality splits inside a single code, so read the stamp rather than the set. An oval stamp, or no stamp at common and uncommon, means eternal-legal; an acorn means it is not.
Not legal in any sanctioned format, including Commander. These are the cards that need dice, stickers or physical dexterity, which the rules cannot support. Plenty of playgroups allow them by agreement; no tournament will.
Standard was never in play for this set, so no rotation has ever touched it. Nothing here leaves Modern, Legacy, Vintage or Commander either. Commons from any set are Pauper-legal; that isn't listed per set here.
Limited
Unfinity is designed to be drafted, and the draft includes both halves: acorn cards are perfectly legal within the set's own Limited format even though they are not legal in constructed.
Draft with both halves
Un-set Limited
The stamps govern constructed legality, not Limited. You will open and play Attractions and stickers in a draft, which is where they are meant to live.
FAQ
Some of them. Cards with an oval security stamp, or no stamp at common and uncommon, are legal in Commander, Legacy and Vintage. Cards with an acorn-shaped stamp are not legal in any sanctioned format. A little over half the set is eternal-legal, though only about a quarter of the rares and mythics.
The stamp on the card tells you. Acorn cards do something the rules engine cannot support, usually involving physical dice, stickers or dexterity, so they are not legal anywhere sanctioned. Eternal cards work entirely within normal rules and are legal in Commander, Legacy and Vintage.
They live in a separate Attraction deck. Each turn you roll a die, and if the number you roll is lit up on the Attraction, it does its thing. They need physical dice, which is part of why they are on the acorn side.
Literal sticker sheets. Cards let you spend tickets to apply stickers to permanents, changing names, art, power and toughness, or adding abilities. Memorable, and firmly outside what the rules can represent.
No, and no part of it ever was. The most any Unfinity card reaches is Commander, Legacy and Vintage, which applies only to the oval-stamped half.
Yes. The stamps govern constructed legality, not Limited: acorn cards are perfectly playable in the set's own draft format, which is where Attractions and stickers are meant to live.
All card names, art, and mechanics belong to Wizards of the Coast. Unfinity released on Oct 7, 2022; details reflect the set as published. Sources: Wizards of the Coast set pages and release notes, Draftsim, Untapped.gg.
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