Black and gray dog and cat on a fantasy landscape card.

Rin and Seri, Inseparable (Core Set 2021) — MTG Card Value

Core Set 2021

What the Rin and Seri, Inseparable from Core Set 2021 is worth — market price for the single.

Rin and Seri, Inseparable (Core Set 2021) value — Market $33.04 · Foil $33.91. Prices updated August 2026.

Set · Core Set 2021Rarity · MythicNumber · #278
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Item details

Brand
Mythic
Set
Core Set 2021
Rarity
Mythic
Number
#278

Rin and Seri, Inseparable (Core Set 2021) value

The Rin and Seri, Inseparable from Core Set 2021 (#278) has a market price of $33.04, with the foil at $33.91.

What drives the price

For Magic singles, set, rarity, condition (NM vs played), and playability/format demand drive value. First printings, foils, and cards that see competitive or Commander play hold value best; reprints soften prices.

Price guide

What this actually trades for — sold values by condition vs. what sellers are asking today

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ConditionValueBased on
Market$33.04eBay sold comps
Foil$33.91eBay sold comps

Frequently asked questions

What is the current market value for the standard version of this card?
The standard, non-foil version of Rin and Seri, Inseparable is currently valued at $31.88.
Is the foil version worth more than the standard version?
Yes, the foil version of this Mythic card is listed at $34.95, which is higher than the standard price.
What rarity is Rin and Seri, Inseparable from Core Set 2021?
Rin and Seri, Inseparable is a Mythic rarity card from the Core Set 2021.

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