The 2020 Magic: The Gathering Core Set card Rookie Mistake (#66) is a blue Instant that provides tactical control by buffing one creature while weakening another.
Rookie Mistake
2020 • Magic: The Gathering • Core Set
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Description
Released in 2020 as part of the Magic: The Gathering Core Set (M21), Rookie Mistake is a Common blue Instant card identified by card number 66. Designed by Zoltan Boros, this card serves as a foundational element for players seeking tactical control in limited formats. The card costs a single blue mana to cast, making it an efficient tool for manipulating the battlefield early in the game. In gameplay, Rookie Mistake allows a player to select two target creatures for opposing effects. One creature receives a +0/+2 bonus, enhancing its survivability or combat potential, while a second target suffers a -2/-0 penalty, reducing its power without affecting its toughness. This asymmetrical effect creates strategic depth, allowing players to protect key allies or neutralize threats without removing them from play entirely. The flavor text, "Stop locking your knees as you strike! Now stand up and try again," adds a humorous touch to the card's instructional theme. For collectors, this product represents a staple of the M21 set, reflecting the set's focus on accessible mechanics and clear card design. The card's straightforward text box and common rarity make it a familiar sight in casual play and draft environments. Whether you are building a deck around creature interaction or simply appreciate the strategic utility of the Magic: The Gathering trading card game, Rookie Mistake offers a versatile option.
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Card Details
The catalog profile below summarizes the card identity, featured subject, and notable collectible traits.
Catalog Profile
The core identity of the card within the set.
Featured Subject
The subject, team, league, and sport context tied to this card.
Featured
Rookie Mistake
Game
Magic: The Gathering
TCG Attributes
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Common
Zoltan Boros
Card Stock
English
{U}
Instant
U
Card Text
Abilities, attacks, oracle text, and flavor text printed on the card.
Until end of turn, target creature gets +0/+2 and another target creature gets -2/-0.
"Stop locking your knees as you strike! Now stand up and try again."