Quick Answer

Mary O'Kill is a rare Legendary Creature — Human Villain from ULST (ULST) costing {5}{B/R}.

Mary O'Kill MTG card

Mary O'Kill

Legendary Creature — Human Villain

Card Text

{1}{B/R}: Switch a Killbot or Mary O'Kill in your hand with one on the battlefield. (If a creature is tapped, the switched creature is tapped. The same is true for untapped, attacking, blocking, enchanted, equipped, and targeted. Any counters on a creature are on the switched creature instead.)

Card Stats

5/5 rare CMC: 6.0 ULST ULST 🎨 Simon Dominic

Market Prices

TCGPlayer
$0.21
Foil
Buy
Card Kingdom
$0.49
Foil
Buy
Prices updated: 2025-12-04

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Other Printings (2 total)

Community Stats

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Frequently Asked Questions

What is Mary O'Kill? Basics

Mary O'Kill is a Legendary Creature — Human Villain card from the Magic: The Gathering trading card game.

Its ability reads: "{1}{B/R}: Switch a Killbot or Mary O'Kill in your hand with one on the battlefield. (If a creature is tapped, the switched creature is tapped. The same is true for untapped, attacking, blocking, enchanted, equipped, and targeted. Any counters on a creature are on the switched creature instead.)"

How much mana does Mary O'Kill cost to cast? Basics

Mary O'Kill has a mana cost of {5}{B/R}, which equals 6.0 total mana (converted mana cost/mana value).

It requires B, R mana to cast.

What does mana cost mean in Magic: The Gathering? Basics

Mana cost is the amount and type of mana required to cast a spell in Magic: The Gathering.

Mary O'Kill's mana cost of {5}{B/R} means you need to pay that much mana from your lands or other sources.

Colored symbols (W=White, U=Blue, B=Black, R=Red, G=Green) must be paid with that specific color, while numbers can be paid with any color.

What is converted mana cost (CMC) or mana value? Basics

Converted mana cost (now officially called "mana value") is the total amount of mana in a card's mana cost, regardless of color.

Mary O'Kill has a mana value of 6.0. This is important for effects that care about a spell's total cost, like cascade or cards that say "mana value 3 or less."

What is oracle text? Basics

Oracle text is the official, current rules text for a Magic card as maintained by Wizards of the Coast. It supersedes any printed text on older cards.

Mary O'Kill's current oracle text is: "{1}{B/R}: Switch a Killbot or Mary O'Kill in your hand with one on the battlefield. (If a creature is tapped, the switched creature is tapped. The same is true for untapped, attacking, blocking, enchanted, equipped, and targeted. Any counters on a creature are on the switched creature instead.)"

What is the current price of Mary O'Kill? Pricing

Price data for Mary O'Kill is currently unavailable. Check TCGPlayer or Card Kingdom for current prices.

Where can I buy Mary O'Kill? Pricing

You can purchase Mary O'Kill from major MTG retailers including:

Prices vary by condition and printing. Check multiple sellers to find the best price.

What is the difference between normal and foil cards? Pricing

Foil cards have a shiny, holographic finish that makes them more collectible. They are functionally identical to normal cards but typically cost more due to their rarity and visual appeal.

Is Mary O'Kill legal in Standard? Legality

Format legality information for Mary O'Kill in Standard is not available.

Standard is a rotating format that only allows cards from the most recent sets.

Is Mary O'Kill legal in Modern? Legality

Format legality information for Mary O'Kill in Modern is not available.

Modern includes all cards printed in a standard-legal set from 8th Edition forward.

Is Mary O'Kill legal in Commander (EDH)? Legality

Format legality information for Mary O'Kill in Commander is not available.

Commander is a casual multiplayer format where you build a 100-card singleton deck around a legendary creature.

Is Mary O'Kill legal in Pioneer? Legality

Format legality information for Mary O'Kill in Pioneer is not available.

Pioneer is a non-rotating format that includes all standard-legal sets from Return to Ravnica forward.

Is Mary O'Kill legal in Legacy? Legality

Format legality information for Mary O'Kill in Legacy is not available.

Legacy allows almost all cards ever printed, with a substantial ban list for balance.

Is Mary O'Kill legal in Vintage? Legality

Format legality information for Mary O'Kill in Vintage is not available.

Vintage is the most permissive format, allowing almost all cards with only a minimal ban list. Some powerful cards are "Restricted" (limited to 1 copy).

Is Mary O'Kill legal in Pauper? Legality

Format legality information for Mary O'Kill in Pauper is not available.

Pauper only allows cards that have been printed at common rarity in a paper or online set.

What is format legality in MTG? Legality

Format legality indicates which official MTG formats allow a card to be played:

  • Legal: Card is allowed in the format
  • Banned: Card is prohibited from play
  • Restricted: Limited to 1 copy (Vintage only)
  • Not Legal: Card was never part of that format's card pool

Different formats have different banned lists based on power level and game balance.

What set is Mary O'Kill from? Details

This printing of Mary O'Kill is from ULST (ULST), with collector number 50.

Mary O'Kill may also appear in other MTG sets with different art or special treatments.

What is Mary O'Kill's rarity? Details

Mary O'Kill is a rare card in ULST.

Card rarity affects both availability and price. From rarest to most common: Mythic Rare → Rare → Uncommon → Common.

Who illustrated Mary O'Kill? Details

Mary O'Kill was illustrated by Simon Dominic.

Magic: The Gathering features artwork from hundreds of talented artists, and many cards have been reprinted with new art over the years.

What is Mary O'Kill's power and toughness? Details

Mary O'Kill is a 5/5 creature.

Power (5) determines how much combat damage the creature deals. Toughness (5) determines how much damage it can take before being destroyed.

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