# 2020 Magic: The Gathering Core Set 2021 #375

> The Heroic Intervention foil card (M21 #375) from Magic: The Gathering Core Set 2021 is a green instant that grants hexproof and indestructible to your permanents.

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## Identity

- **Year**: 2020
- **Brand**: Magic: The Gathering
- **Set**: Core Set 2021
- **Card Number**: 375
- **Featured**: Heroic Intervention
- **Game**: Magic: The Gathering
- **Rarity**: Rare
- **Mana cost**: {1}{G}
- **Type**: Instant
- **Color**: G
- **Language**: English
- **Material**: Card Stock
- **Finish**: Foil

## Description

Heroic Intervention foil card from Magic: The Gathering Core Set 2021 is card number 375 in the M21 set. This green instant requires one generic mana and one green mana to cast, resulting in a mana value of two. When played, it grants hexproof and indestructible to all permanents you control until the end of the turn. This effect protects your board from targeted removal and board wipes simultaneously. The card features a foil finish, distinguishing it from the nonfoil version in the same set. Artist James Ryman provided the artwork for this printing. As a rare card in the Core Set 2021 checklist, it holds a place in the standard expansion structure. Collectors often track this card number to complete their Core Set 2021 foil runs. The M21 release remains a foundational part of the game's recent history. The Heroic Intervention card is a key defensive option in green-based strategies. Its ability to save multiple permanents at once makes it a notable inclusion in many decks. The foil finish distinguishes this card from the non-foil base version. Card number 375 in the Core Set 2021 checklist is a key target for collectors completing the set. The combination of the M21 set code, the foil treatment, and the card's utility in gameplay creates a distinct identity for this product in the Magic: The Gathering catalog.

## FAQ

### What mana cost does Heroic Intervention have?

The Heroic Intervention card from Core Set 2021 has a mana cost of {1}{G}, requiring one generic mana and one green mana. This results in a total mana value of two.

### Who is the artist for the M21 Heroic Intervention?

James Ryman is the artist credited with the artwork for the Heroic Intervention foil card in the Magic: The Gathering Core Set 2021.

### What effect does Heroic Intervention provide?

This instant spell grants hexproof and indestructible to all permanents you control until the end of the turn. This protects them from targeted removal and destruction effects.

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Editorial content updated: 2026-10-07.

Site deployment: 2025-11-29.