Uba Mask
Artifact
If a player would draw a card, that player exiles that card face up instead.
Each player may play lands and cast spells from among cards they exiled with this artifact this turn.
- CMC
- 4
- Mana cost
- Color identity
- C
- Rarity
- rare
- Set
- Champions of Kamigawa
- Price
- $11.59
- EDHREC rank
- #8969
Uba Mask turns every draw into a use-it-or-lose-it exile — opponents can't stockpile answers, and anyone who can't immediately cast what they reveal falls behind fast. Paired with Drannith Magistrate, it becomes a near-total hand-denial lock, and commanders like Rocco, Street Chef that naturally play from exile treat it as free fuel rather than a tax.
Best Commanders
Commanders with the highest synergy
Rocco, Street Chef
Rocco, Street Chef exiles cards as a core mechanic, so Uba Mask's replacement effect feeds directly into his engine — every card drawn this turn is a card Rocco can already spend, making the 'play it now or lose it' downside a non-issue.
Prosper, Tome-Bound
Prosper, Tome-Bound generates Treasure whenever opponents exile cards with his triggered ability, and Uba Mask quietly extends that exile-matters theme to every draw step at the table — more exiled cards means more triggers, more Treasure, and a wider resource gap over a long game.
Format Analysis
Where it lives, where it can’t
| Format | Verdict |
|---|---|
| commander | legal |
| legacy | legal |
| modern | legal |
| pioneer | not legal |
| standard | not legal |
| vintage | legal |
| pauper | not legal |
| oathbreaker | legal |
Commander is where Uba Mask does its real work: four opponents drawing every turn means the lock pressure compounds quickly, and multiplayer tables rarely have the focused, instant-speed interaction needed to crack it before it warps the game. In Legacy and Vintage it's technically legal but competitively irrelevant — those formats run cantrips and tutors at instant speed, so opponents can route around the restriction faster than Uba Mask can punish them. Oathbreaker offers a tighter, faster context where the card could theoretically shine in a Planeswalker-based denial shell, but the format's smaller player base limits the data. Outside those formats, Uba Mask simply isn't legal.
Key Combos
Combo lines featuring this card
Uba MaskDrannith Magistrate
Players can't draw cards; Lock; Opponents can only cast the remaining spells in their hand
View on Commander Spellbook ↗Budget Alternatives
Cheaper options that do most of the same work
There's no true budget analog — Uba Mask's combination of symmetric draw-replacement and implicit hand-denial is unique enough that cheaper cards only approximate one axis of it. Shared Fate does something similarly disruptive to drawing but redirects into opponents' libraries rather than exile, creating a chaotic table state rather than a denial lock; Pyxis of Pandemonium hits a similar exile-instead-of-draw note at a fraction of the price but is symmetrical and easier to break by design.
Price Context
Current price
$11.59 mid tier
At $11.59, Uba Mask sits in mid-tier pricing for a casual staple — expensive enough to feel like a deliberate inclusion, cheap enough that it won't anchor a budget build. It holds value well because it's a niche singleton from a single printing with no functional reprint, so supply stays flat while interest from Prosper and Rocco players keeps demand steady.
Explore
Sources
Updated . Data from Scryfall, EDHREC, and Commander Spellbook.