Quick Answer

Kate Stewart is a rare Legendary Creature — Human Scientist from WHO (WHO) costing {1}{U}{R}{W}. Current price: $0.1 USD. Legal in Commander.

Kate Stewart MTG card

Kate Stewart

Legendary Creature — Human Scientist

Card Text

Whenever you put one or more time counters on a permanent you control, create a 1/1 white Soldier creature token. Whenever Kate Stewart attacks, you may pay {8}. If you do, attacking creatures get +X/+X until end of turn, where X is the number of time counters among permanents you control.

Card Stats

3/3 rare CMC: 4.0 WHO WHO 🎨 Thanh Tuấn

Market Prices

TCGPlayer
$0.10
Normal
Buy
TCGPlayer
$0.29
Foil
Buy
Card Kingdom
$0.49
Normal
Buy
Card Kingdom
$0.49
Foil
Buy
Cardmarket
€0.17
Normal
Buy
Cardmarket
€0.44
Foil
Buy
Prices updated: 2025-12-04

Format Legality

Commander Legal
Duel Legal
Legacy Legal
Oathbreaker Legal
Vintage Legal

Similar Cards

Other Printings (4 total)

Community Stats

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Decks Using This Card
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Comments

Often Played With

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Frequently Asked Questions

What is Kate Stewart? Basics

Kate Stewart is a Legendary Creature — Human Scientist card from the Magic: The Gathering trading card game.

Its ability reads: "Whenever you put one or more time counters on a permanent you control, create a 1/1 white Soldier creature token. Whenever Kate Stewart attacks, you may pay {8}. If you do, attacking creatures get +X/+X until end of turn, where X is the number of time counters among permanents you control."

How much mana does Kate Stewart cost to cast? Basics

Kate Stewart has a mana cost of {1}{U}{R}{W}, which equals 4.0 total mana (converted mana cost/mana value).

It requires R, U, W 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.

Kate Stewart's mana cost of {1}{U}{R}{W} 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.

Kate Stewart has a mana value of 4.0. 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.

Kate Stewart's current oracle text is: "Whenever you put one or more time counters on a permanent you control, create a 1/1 white Soldier creature token. Whenever Kate Stewart attacks, you may pay {8}. If you do, attacking creatures get +X/+X until end of turn, where X is the number of time counters among permanents you control."

What is the current price of Kate Stewart? Pricing

The current market price for Kate Stewart is approximately $0.1 USD on TCGPlayer.

A foil copy costs approximately $0.29 USD.

On Cardmarket (Europe), it's approximately €0.17 EUR.

Where can I buy Kate Stewart? Pricing

You can purchase Kate Stewart 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.

Kate Stewart normal: $0.1 | foil: $0.29

Is Kate Stewart legal in Standard? Legality

Format legality information for Kate Stewart in Standard is not available.

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

Is Kate Stewart legal in Modern? Legality

Format legality information for Kate Stewart in Modern is not available.

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

Is Kate Stewart legal in Commander (EDH)? Legality

Kate Stewart is Legal in Commander (EDH) format.

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

Is Kate Stewart legal in Pioneer? Legality

Format legality information for Kate Stewart in Pioneer is not available.

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

Is Kate Stewart legal in Legacy? Legality

Kate Stewart is Legal in Legacy format.

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

Is Kate Stewart legal in Vintage? Legality

Kate Stewart is Legal in Vintage format.

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 Kate Stewart legal in Pauper? Legality

Format legality information for Kate Stewart 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 Kate Stewart from? Details

This printing of Kate Stewart is from WHO (WHO), with collector number 139.

Kate Stewart may also appear in other MTG sets with different art or special treatments.

What is Kate Stewart's rarity? Details

Kate Stewart is a rare card in WHO.

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

Who illustrated Kate Stewart? Details

Kate Stewart was illustrated by Thanh Tuấn.

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

What is Kate Stewart's power and toughness? Details

Kate Stewart is a 3/3 creature.

Power (3) determines how much combat damage the creature deals. Toughness (3) determines how much damage it can take before being destroyed.

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