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Riftbound rarity guide

Riftbound has a simple base ladder — Common, Uncommon, Rare, Epic — and then a premium layer that does all the damage to your wallet: textured alt-arts, Overnumbered cards, autographed Signatures and a one-card Ultimate tier. This guide explains every tier with real counts from the card catalog and observed odds from cited box openings.

Inside a booster pack

A Riftbound booster contains 14 cards: 7 Commons, 3 Uncommons, 3 foil slots and 1 token or rune. Of the three foil slots, the first is a common/uncommon foil and the other two are rare-or-higher. Premium treatments replace cards in those back slots when they appear — and don't skip the rune slot: textured alt-art runes exist and count as premium pulls.

The tiers

Common

The bulk of every pack — 7 of the 14 cards in a booster are Commons.

Uncommon

3 per pack. Plenty of playable staples live here; cheap to buy as singles.

Rare

Appears in the back foil slots (2 of the 3 foil slots are rare-or-higher).

Epic

The top of the base ladder — about 1 in 4 packs, ≈6 per box (verified across four cited box openings).

Showcase

Not a pack slot but the catalog's umbrella tier for premium treatments: textured alt-arts, Overnumbered cards, Signatures and the Ultimate Rare.

Promo

Event and product promos (Nexus Nights, pre-release kits) — outside booster odds.

Premium treatments, decoded

TreatmentHow to identifyObserved frequency
Alt-art (textured)'A' suffix on the number + textured surface~2–4 per box (creator-stated; matches our cited openings)
Textured runeTextured finish on a rune card~1 per box (three-for-three in our cited Origins openings)
OvernumberedNumber above set size (e.g. 238/219), gold etching4 in 384 cited packs (~1 per 4 boxes observed)
SignatureOvernumbered + printed artist autograph (hot stamp)Rarer than Overnumbered — 0 in our 384 cited packs; check carefully, the stamp is easy to miss
Ultimate RareOne card per set (Unleashed: Baron Nashor)0 in our cited packs — the set's single biggest chase

Frequencies come from the cited community box openings on our per-set pull-rate pages — sample sizes stated there. Riot does not publish official odds.

Rarity counts by set

SetCommonUncommonRareEpicShowcasePromo
Unleashed68616036676
Spiritforged69636038726
Origins8984844254
Origins: Proving Grounds5788

Counts sync daily from the TCGplayer catalog. For what these tiers are worth in dollars, see each set's best-cards and pull-rates pages, or watch the daily price movers.

FAQ

What is the rarest card type in Riftbound?
The Ultimate Rare, introduced in Unleashed — a single card in the entire set (Baron Nashor). Below it sit autographed Signature variants, then Overnumbered alt-arts (roughly one per 2–4 booster boxes based on cited community openings), then the textured alt-art cards.
What does 'Overnumbered' mean?
Overnumbered cards carry a collector number higher than the set's size — for example 238/219 in a 219-card set. They are premium alt-art foils with gold etching, equivalent to what other games call secret rares.
How do I spot an alt-art card?
Look for an 'A' suffix next to the collector number and a textured finish you can feel on the card surface. Alt-art runes also exist and count toward a box's premium pulls — check your rune slot before sleeving bulk.
How many Epics are in a booster box?
Six Epics per 24-pack box is the consistent observation — four independently tallied box openings in our citation set each produced exactly six.