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Magic · The List Reprints · #42 · Uncommon

Sealock Monster

Magic card price for Sealock Monster: $0.29 market, from $0.01 at the cheapest listing, Normal printing, updated Oct 18, 2026. Full price history since Feb 8, 2024 below.

Market price · Normal · Oct 18, 2026
$0.29
+3.6% this week · +16.0% in 30 days
Buy on eBay →
1 day0.0%
7 days+3.6%
30 days+16.0%
90 days+38.1%
1 year+262.5%
All time+262.5%

Sellers right now

$0.01lowest listing$7.90highest
Market price$0.29
Mid listing$0.29
30-day avg$0.27

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$0.29
Cardmarket$0.20 €0.18

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

One year

$0.0852-week low$0.2952-week high
In the range100%
All-time low$0.04
All-time high$0.29
First priceFeb 8, 2024
Normal · market priceCardmarket (EU, in USD)
$0.03$0.12$0.22$0.32
$0.29
Feb 2024Dec 2024Nov 2025Oct 2026
TCGplayer · via tcgcsv · Cardmarket · via MTGJSONtcgrate.com

Price story

Sealock Monster was released in October 2026. Launch-week prices are left out here: before supply arrives they are mostly guesses. The cheapest listing right now is $0.01, and the 30-day average market price is $0.27.

Printings

PrintingMarketLowHigh7d
Normal$0.29$0.01$7.90+3.6%

The card in play

Power / Toughness5 / 5
Type line
Creature — Octopus
Rules text

Sealock Monster can't attack unless defending player controls an Island.

5UU: Monstrosity 3. (If this creature isn't monstrous, put three +1/+1 counters on it and it becomes monstrous.)

When Sealock Monster becomes monstrous, target land becomes an Island in addition to its other types.

Other printings of Sealock Monster

2 more · $0.08 – $0.41
All printings
Sealock Monster (62), Theros — Magic card price 0.0% 7d Sealock Monster Theros · #62 $0.41 Sealock Monster (42), Duel Decks: Elspeth vs. Kiora — Magic card price −20.0% 7d Sealock Monster Duel Decks: Elspeth vs. Kiora · #42 $0.08

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