tcgrate
  1. tcgrate
  2. Games
  3. Magic: The Gathering
  4. Sets
  5. Edge of Eternities
  6. Quantum Riddler (Borderless)

Magic · Edge of Eternities · #305 · Mythic

Quantum Riddler (Borderless)

Magic card price for Quantum Riddler (Borderless): $56.04 market, from $54.23 at the cheapest listing, Foil printing, updated Oct 18, 2026. Full price history since Jul 22, 2025 below.

Market price · Foil · Oct 18, 2026
$56.04
+1.0% this week · +4.8% in 30 days
Buy on eBay →
1 day0.0%
7 days+1.0%
30 days+4.8%
90 days+5.0%
1 year+14.4%
All time+111.9%

Sellers right now

$54.23lowest listing$779.54highest
Market price$56.04
Mid listing$64.72
Direct$63.99
30-day avg$54.74

Market price is what a near-mint copy actually sold for. The cheapest listing is what a seller asks today — on thin markets the two differ a lot.

Where to buy

TCGplayer$56.04
Cardmarket$80.35 €71.40

EUR converted at 1.1253 (ECB reference rate). Shipping and condition not included.

One year

$48.8952-week low$72.0252-week high
In the range31%
All-time low$23.25
All-time high$72.02
First priceJul 22, 2025
Foil · market priceCardmarket (EU, in USD)
$22.33$40.45$58.58$76.71
$56.04
Jul 2025Dec 2025May 2026Oct 2026
TCGplayer · via tcgcsv · Cardmarket · via MTGJSONtcgrate.com

Price story

Quantum Riddler (Borderless) (Foil) was released in August 2025. Launch-week prices are left out here: before supply arrives they are mostly guesses. Across the past year it went +14.4%, with a low of $48.89 and a high of $72.02; today it sits in the middle of that range. The cheapest listing right now is $54.23, and the 30-day average market price is $54.74.

Printings

PrintingMarketLowHigh7d
Foil$56.04$54.23$779.54+1.0%
Normal$44.28$40.00$678.22−0.9%

The card in play

Power / Toughness4 / 6
Type line
Creature — Sphinx
Rules text

Flying

When this creature enters, draw a card.

As long as you have one or fewer cards in hand, if you would draw one or more cards, you draw that many cards plus one instead.

Warp 1U

Other printings of Quantum Riddler

3 more · $38.91 – $56.04
All printings
Quantum Riddler (72), Prerelease Cards — Magic card price +2.9% 7d Quantum Riddler Prerelease Cards · #72 $50.57 Quantum Riddler (72), Promo Pack: Edge of Eternities — Magic card price −0.9% 7d Quantum Riddler Promo Pack: Edge of Eternities · #72 $39.47 Quantum Riddler (72), Edge of Eternities — Magic card price −1.4% 7d Quantum Riddler Edge of Eternities · #72 $38.91

Also in Edge of Eternities

most valuable
Full set
Sothera, the Supervoid (Singularity Foil) (382), Edge of Eternities — Magic card price +1.4% 7d Sothera, the Supervoid (Singularity Foil) Edge of Eternities · #382 $1,375.05 Icetill Explorer (Showcase) (Fracture Foil) (388), Edge of Eternities — Magic card price +1.4% 7d Icetill Explorer (Showcase) (Fracture Foil) Edge of Eternities · #388 $377.15 Exalted Sunborn (Showcase) (Fracture Foil) (384), Edge of Eternities — Magic card price +1.9% 7d Exalted Sunborn (Showcase) (Fracture Foil) Edge of Eternities · #384 $269.98 Starfield Vocalist (Showcase) (Fracture Foil) (385), Edge of Eternities — Magic card price +1.7% 7d Starfield Vocalist (Showcase) (Fracture Foil) Edge of Eternities · #385 $219.93 The Endstone (Showcase) (Fracture Foil) (391), Edge of Eternities — Magic card price 0.0% 7d The Endstone (Showcase) (Fracture Foil) Edge of Eternities · #391 $140.54