M21 #66
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Rookie Mistake
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TCGplayer market · M21 #66 nonfoil
$0.06 0.0% $0.00, 7 days
- 1-year range
- 30 days
- +20.0%
- EDHREC rank
- #28,720 Down 246 in 30 days
- Best buylist
Buy M21 #66 nonfoil
TCGplayer, $0.06 (opens in a new tab) Card Kingdom, (opens in a new tab) Mana Pool, (opens in a new tab) eBay, Check price (opens in a new tab)
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Rookie Mistake Price Summary
The benchmark price (cheapest playable nonfoil) is $0.06, flat over 7 days, up 20.0% over 30 days, up 100.0% over 90 days.
Rookie Mistake Price History
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Reprints in this period
Rookie Mistake price history chart, default range 3 months. currently $0.06.
Where to Buy and Sell Rookie Mistake
Every market we track for M21 #66 nonfoil on one line. The gray band is what you give up selling to a store instead of buying at market.
Rookie Mistake in Sealed Products
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Rookie Mistake Printings & Prices
Rookie Mistake has 1 tracked printing across 1 sets, in nonfoil and foil finishes.
Sell Rookie Mistake: Buylist Offers
| Buyer | Printing | Finish | Cash offer | Market | Spread to market |
|---|---|---|---|---|---|
| Card Kingdom | M21 #66 | Foil | |||
| Card Kingdom | M21 #66 | Nonfoil |
Rookie Mistake Rules Text & Legality
Rookie Mistake
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."
Rookie Mistake is legal in Pioneer, Modern, Legacy, Commander and Pauper, and not legal in Standard.
- BrawlLegal
- CommanderLegal
- Competitive BrawlLegal
- Duel CommanderLegal
- GladiatorLegal
- HistoricLegal
- LegacyLegal
- ModernLegal
- OathbreakerLegal
- PauperLegal
- Pauper CommanderLegal
- Penny DreadfulLegal
- PioneerLegal
- TimelessLegal
- VintageLegal
- AlchemyNot legal
- Future StandardNot legal
- Old SchoolNot legal
- PreDHNot legal
- PremodernNot legal
- StandardNot legal
- Standard BrawlNot legal
Rookie Mistake Rulings
- Jun 23, 2020
If one target creature becomes an illegal target before Rookie Mistake resolves, the other is affected as appropriate.
- Jun 23, 2020
You can't cast Rookie Mistake unless you choose two creatures as targets.
Reprints & Reprint Risk
Rookie Mistake has been reprinted 2 times.
- Jul 3, 2020Core Set 2021M21 #66
- Jul 3, 2020Core Set 2021 · foilM21 #66
Rookie Mistake in Commander
Rookie Mistake is the #28,720 most-played card on EDHREC, down 246 places over the last 30 days.
#28,720
EDHREC rank
across all Commander decks Down 246 in 30 days
across all Commander decks Down 246 in 30 days
Rookie Mistake FAQ
How much is Rookie Mistake worth?
Rookie Mistake is worth about $0.06 for its cheapest playable printing as of Nov 8, 2026.
Is Rookie Mistake legal in Commander?
Yes. Rookie Mistake is legal in Commander. It is also legal in Pioneer, Modern, Legacy and Pauper.
Has Rookie Mistake been reprinted?
Yes. Rookie Mistake has been reprinted 2 times, with 1 printings tracked on The Index.
Why is Rookie Mistake cheap?
Rookie Mistake trades at about $0.06; 2 reprints keep supply plentiful, and Commander demand is modest (#28,720 on EDHREC).