Assetra
Top SalesSales CompsPricesSetsLive Listings
Assetra
Navigate
01HomeRecord sales & market pulse02Market DataComps, prices & population03Live ListingsUnder the hammer now04Card SetsChecklists, market caps & movers
Also from us
Slabstoryslabstory.coGraded slabs for sale in collectors' Instagram stories, searchable by card or cert.
✶Intelligence for collectible markets
Assetra
Top SalesSales CompsPricesSetsLive Listings
Assetra
Navigate
01HomeRecord sales & market pulse02Market DataComps, prices & population03Live ListingsUnder the hammer now04Card SetsChecklists, market caps & movers
Also from us
Slabstoryslabstory.coGraded slabs for sale in collectors' Instagram stories, searchable by card or cert.
✶Intelligence for collectible markets
Assetra

Intelligence for collectible markets

Assetra tracks the graded trading card market: sold prices and comps from the major auction houses, live auctions, PSA, BGS and CGC population reports, and market caps for every set across Pokémon, One Piece, Magic: The Gathering and Yu-Gi-Oh!

Market data

  • Graded card market report
  • Top card sales
  • Sold comps and price history
  • Live card auctions
  • Set market caps

Price guides

  • Graded card prices
  • Pokémon card prices
  • One Piece card prices
  • Magic: The Gathering prices
  • Yu-Gi-Oh! card prices

Popular sets

  • Pokémon Base Set
  • Team Rocket
  • Neo Genesis
  • Skyridge
  • Evolving Skies
  • Pokémon 151

Learn

  • Market insights
  • Collecting guides
  • How we value cards
  • About Assetra
  • iPhone app
  • Contact us

Legal

  • Privacy
  • Terms

© 2026 Assetra. All rights reserved.

Market data is provided for informational purposes only.

BGS
9.0
2023 Mental Misstep #1 2023 Magic The Gathering Beadle & Grimm’s Behold New Phyrexia Promo BGS 9.0 graded card
2023 / Magic: The Gathering / 2023 Magic The Gathering Beadle & Grimm’s Behold New Phyrexia Promo

Mental Misstep#1

2023 Mental Misstep #1 2023 Magic The Gathering Beadle & Grimm’s Behold New Phyrexia Promo BGS 9.0 graded card
BGS
9.0
2023 / Magic: The Gathering / 2023 Magic The Gathering Beadle & Grimm’s Behold New Phyrexia Promo

2023 Magic: The Gathering 2023 Magic The Gathering Beadle & Grimm’s Behold New Phyrexia Promo Mental Misstep #1 BGS 9.0

◆Market value
Est. Value
$311
Latest$3001 week agoAll-time−14%
Market trend
Oct 26today
Est. Value
$311
Latest$3001 week agoAll-time−14%
Market trend
Oct 26today
All-time sale range
Low$300Median$330High$360
▣Population report
DistributionTap to filter
◇Recent transactions
Total2
eBay
31 Oct 2612d ago
Fixed Price
BGS9
$300
eBay
10 Oct 261mo ago
Fixed Price
BGS9
$360
❖Market insightsread from 3 sales

◆Price by grade

2023 Magic: The Gathering 2023 Magic The Gathering Beadle & Grimm’s Behold New Phyrexia Promo Mental Misstep #1: estimated value, latest sale and graded population at each grade, in US dollars, as of 12 Nov 2026.

BGS prices by grade

2023 Magic: The Gathering 2023 Magic The Gathering Beadle & Grimm’s Behold New Phyrexia Promo Mental Misstep #1: BGS price by grade in US dollars, as of 12 Nov 2026
GradeEstimateLast salePopulation
BGS 9$311$300 on 31 Oct 2026n/a
PSA prices by grade
2023 Magic: The Gathering 2023 Magic The Gathering Beadle & Grimm’s Behold New Phyrexia Promo Mental Misstep #1: PSA price by grade in US dollars, as of 12 Nov 2026
GradeEstimateLast salePopulation
PSA 9n/a$280 on 5 Jul 20267
✦Catalog entry№ 122771
Reference
BGS 9.0
Brand
Magic: The Gathering
Character
Mental Misstep
Year
2023
Set
2023 Magic The Gathering Beadle & Grimm’s Behold New Phyrexia Promo→
Card №
1
Language
English
✦About this card3 recorded sales

One of only 7 PSA-graded copies

2023 Magic: The Gathering 2023 Magic The Gathering Beadle & Grimm’s Behold New Phyrexia Promo Mental Misstep #1

BGS 9.0 estimate
$311
Latest BGS 9.0 sale
$300
31 Oct 2026
PSA population
7
none yet at PSA 10

The 2023 Magic: The Gathering 2023 Magic The Gathering Beadle & Grimm’s Behold New Phyrexia Promo Mental Misstep #1 has an estimated BGS 9.0 value of $311 on Assetra. Its latest recorded BGS 9.0 sale was $300 on 31 Oct 2026, following $360 in October 2026.

Assetra tracks 3 recorded sales since July 2026, 2 of them BGS 9.0, ranging from $280 to $360.

PSA population: 7 graded copies, none yet a PSA 10.

Does a PSA population of 7 mean only 7 copies exist?

No. PSA's population report counts the copies PSA has graded, not the number printed. Raw copies and cards graded by BGS and CGC are not included.

Based on 3 recorded sales through 31 Oct 2026. Past sales do not guarantee current value. How Assetra builds these numbers

◆
◆ Looks alike

Similar artwork

eBay
Five-Headed Dragon
PSA
10
2006 · Structure Deck: Dinosaur's Rage

Five-Headed Dragon#ENSS1

Last sale

$331
3w ago
PSA 9 $56PSA 10 $315
1 sold/30dMkt cap $41K
eBay
Nazgul
PSA
9
2023 · The Lord Of The Rings: Tales Of Middle-Earth

Nazgul#336

Foil

Last sale

$81
3mo ago
 
 Mkt cap $648
eBay
Dark Flare Knight
PSA
9
2003 · Dcr-Dark Crisis

Dark Flare Knight#017

1st Edition

Last sale

$81
7w ago
 
 Mkt cap $9K
eBay
Clive Rosfield
PSA
10
2025 · Final Fantasy Through The Ages

Clive Rosfield#0059

Last sale

$51
5mo ago
 
 Mkt cap $408
Fanatics
Clive Rosfield
BGS
10.0
2025 · Final Fantasy Through The Ages

Clive Rosfield#0059

Foil

Last sale

$156
7w ago
BGS 9.5 $100BGS 10 $156
 Mkt cap $11K
eBay
Brook
PSA
10
2024 · Premium Card Collection -Bandai Card Games Fest 23-24 Edition-

Brook#011

Last sale

$80
6w ago
 
 Mkt cap $31K