Rookie Mistake

M21Core Set 2021/#66/2020Common
Colour IDMV 1
Rookie Mistake
Current paper retail
Card Kingdom$0.35
Cardmarket€0.09
ManaPool$0.15
TCGplayer$0.06
MTGO (Cardhoarder)
retail$0.03 tix
Paper retail history (USD)
3 providers
Latest $0.35High $0.35Low $0.35▲ 0.0%
This printing
SetM21
Collector #66
Released2020-07-03
Raritycommon
ArtistZoltan Boros
LanguageEN
Layoutnormal
ScryfallOpen ↗
Market and collecting
Market overview
$0.06TCGplayer, USD, retail, nonfoil
Latest observation: 2026-11-10
7d▲ 0.0%30d▲ 20.0%90d▲ 100.0%
90d high
$0.06
90d low
$0.03
Paper printings priced
1
Currently 1st
Cheapest paper printing
$0.06
Core Set 2021
  • Up 20.0% over the last 30 days on TCGplayer.
  • Trading at or near its 90 day high of $0.06.
  • Foil copies of this printing carry a 450% premium over nonfoil.
Find this printing on eBayView on TCGplayerAffiliate. MTGPrices may earn from qualifying eBay and TCGplayer purchases.
Collect
Play
Compare printings (1 priced)
PrintingFinishRarityPrice7D30DActions
Core Set 2021M21 · #66 · 2020-07-03nonfoilcommon$0.06▲ 0.0%▲ 20.0%
eBay
Gameplay and rules
Instant
Until end of turn, target creature gets +0/+2 and another target creature gets -2/-0.
Card capabilities
Derived deterministically from card types, Oracle text and keywords. Not a strategic evaluation.
Format legality
Rulings (2)
wotc23 Jun 2020
You can't cast Rookie Mistake unless you choose two creatures as targets.
wotc23 Jun 2020
If one target creature becomes an illegal target before Rookie Mistake resolves, the other is affected as appropriate.
About this card

Rookie Mistake

Rookie Mistake is an Instant, with mana cost {U} (mana value 1).

Format legality: Commander: legal, Modern: legal, Standard: not_legal, Pioneer: legal, Legacy: legal, Pauper: legal.

Current headline price on TCGplayer: $0.06 (up 20.0% over 30 days).

Frequently asked

Rookie Mistake FAQ

How much is Rookie Mistake worth?
The current TCGplayer USD retail price for Rookie Mistake is $0.06. It is up 20.0% over the last 30 days. Over 90 days it has ranged from $0.03 to $0.06.
What is the cheapest printing of Rookie Mistake?
The cheapest currently priced paper printing is from Core Set 2021 at $0.06 on TCGplayer.
What set was Rookie Mistake first printed in?
The earliest English paper printing that MTGPrices tracks is from M21 #66, released 2020-07-03.
Is there a foil version of Rookie Mistake?
Yes. On this printing, foil copies trade at $0.33 versus $0.06 for nonfoil, which is 450% more expensive on TCGplayer.
Is Rookie Mistake legal in Commander?
Yes, Rookie Mistake is currently legal in Commander per Scryfall's legality feed.
Is Rookie Mistake legal in Modern?
Yes, Rookie Mistake is currently legal in Modern per Scryfall's legality feed.
Is Rookie Mistake legal in Standard?
Rookie Mistake is not currently legal in Standard per Scryfall's legality feed.
What does Rookie Mistake do?
Rookie Mistake is an Instant with mana cost {U}. Its Oracle text reads: "Until end of turn, target creature gets +0/+2 and another target creature gets -2/-0.".