# Rin and Seri, Inseparable (Core Set 2021) — resale value

**Rin and Seri, Inseparable (Core Set 2021)** is worth about **$33.04**, based on real closed eBay sales. Sealed or new examples sell for around **$33.74**.

## Value by tier

| Condition | Value (USD) |
| --- | --- |
| Market | $33.04 |
| Foil | $33.74 |

Values are medians of real closed eBay sales, updated 2026-08-06. They are estimates for reference, not offers or appraisals — condition, completeness and edition move them a lot, so compare against the sold listings before pricing anything.

## Check the market

- [Sold listings on eBay](https://junkpal.ai/api/go?to=https%3A%2F%2Fwww.ebay.com%2Fsch%2Fi.html%3F_nkw%3DRin%2520and%2520Seri%2520Core%2520Set%25202021%2520MTG%26LH_Sold%3D1%26LH_Complete%3D1%26mkcid%3D1%26mkrid%3D711-53200-19255-0%26siteid%3D0%26campid%3D5339166094%26toolid%3D10001%26mkevt%3D1%26customid%3Dmd-sold&p=md-sold) — the closed sales these medians are computed from
- [Live listings on eBay](https://junkpal.ai/api/go?to=https%3A%2F%2Fwww.ebay.com%2Fsch%2Fi.html%3F_nkw%3DRin%2520and%2520Seri%2520Core%2520Set%25202021%2520MTG%26mkcid%3D1%26mkrid%3D711-53200-19255-0%26siteid%3D0%26campid%3D5339166094%26toolid%3D10001%26mkevt%3D1%26customid%3Dmd-live&p=md-live) — what sellers are asking right now

eBay links are affiliate links: JunkPal may earn a commission at no cost to you.

## Details

| Field | Value |
| --- | --- |
| Brand | Mythic |
| Set | Core Set 2021 |
| 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 $33.74.

### 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.

## FAQ

**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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Full price guide: https://junkpal.ai/products/rin-and-seri-inseparable-core-set-2021-278-mtg
How these values are computed: https://junkpal.ai/methodology
Cite as: "JunkPal price guide value as of 2026-08-06, based on real sold listings (junkpal.ai)"