# 2020 Magic: The Gathering Core Set #66

> The 2020 Magic: The Gathering Core Set foil card Rookie Mistake (M21 #66) is a common blue instant featuring Zoltan Boros art.

Canonical URL: https://supercatch.com/product/magic-the-gathering-core-set-rookie-mistake-66-foil

## Identity

- **Year**: 2020
- **Manufacturer brand**: Magic: The Gathering
- **Set / series**: Core Set
- **Card number**: #66
- **Product type**: TCG_CARD

## Description

This card offers a straightforward tactical effect, allowing players to boost one creature's toughness while reducing another's power until the end of the turn. The foil treatment adds a distinct visual appeal, catching the light with every shuffle and draw phase.

The Rookie Mistake foil card stands out in any Magic: The Gathering collection due to its elegant shimmering finish and practical gameplay utility. Whether you are building a themed deck or simply appreciating the artistry of common cards, this release provides a solid addition to your library.

For enthusiasts of trading card games, the M21 set represents a pivotal moment in the franchise's history, balancing nostalgic elements with fresh mechanics. The Rookie Mistake card captures this spirit through its simple yet effective design. Adding this foil variant to your Magic: The Gathering collection enhances both the aesthetic and strategic depth of your holdings.

This product appeals to those who value both the competitive aspect and the collectible nature of the game. The foil finish ensures that Rookie Mistake remains a visually striking component of your Magic: The Gathering portfolio, ready to be played or displayed.

## FAQ

### What is the mana cost of Rookie Mistake in Magic: The Gathering?

Rookie Mistake has a mana cost of one blue mana, making it a one-mana instant that is easy to cast early in the game.

### Who illustrated the Rookie Mistake card from the 2020 Core Set?

The artwork for Rookie Mistake in the M21 set was created by artist Zoltan Boros, known for his dynamic fantasy illustrations.

### Is Rookie Mistake a rare card in the Magic: The Gathering Core Set?

No, Rookie Mistake is classified as a common card in the 2020 Core Set, making it widely available and accessible for new and veteran players alike.

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Last verified: 2025-11-29.