Rookie Mistake — Core Set 2021 #66 (Magic: The Gathering)

Rookie Mistake

Core Set 2021 · #66 · common

Instant

Market price

€0.09

Cardmarket · updated 10 Nov 2026

24h0.0%7d0.0%

Last 30 days, EUR

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Card text

As printed · card data from Scryfall

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."

Details

Mana cost
{U}mana value 1
Color identity
Blue
Set type
Core
Finishes
  • Nonfoil
  • Foil
EDHREC rank
#28,605

Format legality

  • StandardNot legal
  • PioneerLegal
  • ModernLegal
  • LegacyLegal
  • VintageLegal
  • CommanderLegal
  • PauperLegal

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More from Core Set 2021

397 cards · released 3 Jul 2020

All cards in Core Set 2021 →

Card data: Scryfall · Prices: Cardmarket, nightly.

Prices are Cardmarket's published EUR market prices — estimates of market value, not guaranteed sale proceeds. Magic: The Gathering is a trademark of its publisher; My TCG Wallet is not affiliated.