Unstable Promos set symbol
To spot Unstable Promos, start with the expansion glyph (code PUST) rather than the artwork. Reprints keep famous art under new symbols.
Set code
pust
Released
Dec 2017
Cards
1
Type
Promo
Lookalikes & traps
Promo stamps and prerelease marks sit beside Unstable Promos art. Confirm the promo set code rather than assuming booster-pack PUST. Also watch foil vs nonfoil: sheen does not change which set Unstable Promos is.
Confirm after the icon
Bottom information line should show collector number + set code PUST (and usually a C/U/R/M rarity letter). On Unstable Promos, mismatch between listing title and PUST is the usual bait-and-switch.
How to identify Unstable Promos cards
- 1
Start with the Unstable Promos glyph silhouette; art style alone will not separate this promo product from guests and remasters.
- 2
Read rarity from symbol color on Unstable Promos: black common, silver uncommon, gold rare, orange mythic — foil sheen does not change it.
- 3
Confirm set code PUST and the collector number on the information line under the text box.
- 4
Finish with a Tappr scan when Unstable Promos appears under multiple set codes in the same lot.
Rarity by symbol color
Special product (promo): rarity color may still follow modern conventions when a symbol is present, but SKU/treatment beats draft-rarity folklore. Verify PUST and the collector number before comparing to a main-set printing of Unstable Promos.
Legend shows the modern post-Exodus palette. Pre-Exodus sets and special rarities (for example Time Spiral purple timeshifted) follow the rarity reading above — not this swatch row alone.
FAQ
What does the Unstable Promos set symbol look like?
To spot Unstable Promos, start with the expansion glyph (code PUST) rather than the artwork. Reprints keep famous art under new symbols. Reprints of Unstable Promos under other codes keep different glyphs — match the icon, then PUST.
What is the Unstable Promos set code?
The set code is PUST. It appears with the collector number on modern cards. If you see a different code, you are not holding the Unstable Promos printing even when the name matches.
How do I read rarity on a Unstable Promos card?
Special product (promo): rarity color may still follow modern conventions when a symbol is present, but SKU/treatment beats draft-rarity folklore. Verify PUST and the collector number before comparing to a main-set printing of Unstable Promos.
How do I confirm a Unstable Promos card quickly?
Icon match → rarity reading for this era → PUST + collector number. Promo stamps and prerelease marks sit beside Unstable Promos art. Confirm the promo set code rather than assuming booster-pack PUST.. Tappr can finish the printing match when the listing is ambiguous.
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