What is the current market value for the non-foil Mary O'Kill card?

The non-foil version of Mary O'Kill (#138) is currently listed in the market for $0.20.

How much more does the foil version cost?

The foil version of the card is valued at $0.57, which is significantly more than the standard print.

Is this card considered rare?

Yes, this specific card, Mary O'Kill, is listed with a Rare rarity designation in the Unstable set.

Mary O'Kill (Unstable) — MTG Card Value

Name: Mary O'Kill (Unstable) — MTG Card Value
Brand: Rare

Unstable

What the Mary O'Kill from Unstable is worth — market price for the single.

Mary O'Kill (Unstable) value — Market $0.22 · Foil $0.63. Prices updated August 2026.

Set · UnstableRarity · RareNumber · #138

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Scryfall — Mary O'Kill (Unstable)$0.22

Item details

Brand: Rare
Set: Unstable
Rarity: Rare
Number: #138

Mary O'Kill (Unstable) value

The Mary O'Kill from Unstable (#138) has a market price of $0.22, with the foil at $0.63.

What drives the price

For Magic singles, set, rarity, condition (NM vs played), and playability/format demand drive value. First printings, foils, and cards that see competitive or Commander play hold value best; reprints soften prices.

Price guide

What this actually trades for — sold values by condition vs. what sellers are asking today

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Condition	Value	Based on
Market	$0.22	eBay sold comps
Foil	$0.63	eBay sold comps

Frequently asked questions

What is the current market value for the non-foil Mary O'Kill card?: The non-foil version of Mary O'Kill (#138) is currently listed in the market for $0.20.
How much more does the foil version cost?: The foil version of the card is valued at $0.57, which is significantly more than the standard print.
Is this card considered rare?: Yes, this specific card, Mary O'Kill, is listed with a Rare rarity designation in the Unstable set.