Common · Core Set 2021

Rookie Mistake

Instant

Until end of turn, target creature gets +0/+2 and another target creature gets -2/-0.

Add to a deck Build a deck around it Open on Scryfall ↗

How it plays

What it wants, and what it gives

Read from the rules text. A card that enables a keyword makes or is the thing; a card that rewards it gets better when you have it. Two cards interact when one enables what the other rewards.

It enables

enablesMultiple spells per turnKeyword page →Cheap spells, and rewards for casting two or more in a turn.158 cards reward Multiple spells per turn enablesSpellslingerKeyword page →Instants and sorceries, and cards that trigger when you cast them.1,018 cards reward Spellslinger

Also taggedRemoval

Works well with

Cards that click with it

enablesMultiple spells per turnmeetsrewardsMultiple spells per turn158 cards reward it

Price

Lowest printing, from Scryfall.

US market$0.06

EU market$0.10

Foil, lowest$0.33

Price history: Core Set 2021 #66

Non-foil
Foil

Show as a table

Date	Non-foil	Foil
12 Nov 2026	$0.06	$0.33
11 Nov 2026	$0.06	$0.33

Formats

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