# Heroic Intervention (Core Set 2021 Promos) — resale value

Source: JunkPal price guide — https://junkpal.ai/products/heroic-intervention-core-set-2021-promos-188s-mtg

**Heroic Intervention (Core Set 2021 Promos)** is worth about **$14.68**, based on real closed eBay sales.

Live listings and the full sold-price history are on the page: https://junkpal.ai/products/heroic-intervention-core-set-2021-promos-188s-mtg

## Value by tier

| Condition | Value (USD) |
| --- | --- |
| Foil | $14.68 |

Values are medians of real closed eBay sales, updated 2026-08-07. 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%3DHeroic%2520Intervention%2520MTG%2520Core%2520Set%25202021%2520Promos%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%3DHeroic%2520Intervention%2520MTG%2520Core%2520Set%25202021%2520Promos%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 | Rare |
| Set | Core Set 2021 Promos |
| Number | #188s |

## Heroic Intervention (Core Set 2021 Promos) value

The Heroic Intervention from **Core Set 2021 Promos** (#188s) has a market price of **$14.68**.

### 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 resale value for the Heroic Intervention Core Set 2021 Promo?**

The listed value for this Rare #188s card is $14.18.

**Is the Heroic Intervention Core Set 2021 Promo a rare card?**

Yes, this specific card is listed with a Rare rarity.

**What is the card number for this promo set?**

The card number for Heroic Intervention in the Core Set 2021 Promos is #188s.

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Full price guide: https://junkpal.ai/products/heroic-intervention-core-set-2021-promos-188s-mtg
How these values are computed: https://junkpal.ai/methodology
Cite as: "JunkPal price guide value as of 2026-08-07, based on real sold listings (junkpal.ai)"