Rookie Mistake
Instant
M21Core Set 2021#66common
Foil
"Stop locking your knees as you strike! Now stand up and try again."
- Border
- black
- Frame
- 2015
- Pull rate
- about 1 per booster–1 in 728
- Illustrator
- Zoltan Boros
- Found in
- Core Set 2021 MTGO Redemption · Core Set 2021 MTGO Redemption Foil · 3 more
CommanderLegalModernLegalStandardNot legal
Format legality
AlchemyNot legal
BrawlLegal
CommanderLegal
Competitive BrawlLegal
DuelLegal
Future StandardNot legal
GladiatorLegal
HistoricLegal
LegacyLegal
ModernLegal
OathbreakerLegal
Old SchoolNot legal
PauperLegal
Pauper CommanderLegal
PennyLegal
PioneerLegal
PreDHNot legal
PremodernNot legal
StandardNot legal
Standard BrawlNot legal
TimelessLegal
Tiny LeadersLegal
VintageLegal
Until end of turn, target creature gets +0/+2 and another target creature gets -2/-0.
Plays as: Combat Trick
Market · per finishspark updated 17h ago · prices as of 2026-07-12
Nonfoil+0.0%
$0.02
$0.01 low$0.00 gap
Foil+0.0%
$0.13
$0.01 low-$0.07 gap
Finish
Market
Δ 7D · Trend
Low
Buylist
Buy / Sell Gap
Nonfoil
$0.02as of 2026-07-12
+0.0%
H $0.08L $0.01since Feb 2024$0.01
$0.01
$0.000% · normal spread
VenuesHide venues
Low: tcgplayer
Buylist: cardkingdom
Foil
$0.13as of 2026-07-12
+0.0%
H $0.28L $0.01since Feb 2024$0.01
$0.08
-$0.07-700% · buylist > ask
VenuesHide venues
Low: tcgplayer
Buylist: cardkingdom
Cheapest playable copy$0.02· across 1 printing
Rulings
2 · latest Jun 23, 2020 · one tap opens all
- WotCJun 23, 2020
If one target creature becomes an illegal target before Rookie Mistake resolves, the other is affected as appropriate.
- WotCJun 23, 2020
You can't cast Rookie Mistake unless you choose two creatures as targets.