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K-9, Mark I Doctor Who MTG card
WHO #47 · Art by Narendra Bintara Adi
WHO set symbol, RareDoctor Who#47Rare

K-9, Mark I

Legendary Artifact Creature · Robot DogNegative, Affirmative, Doctor's companion
TCGplayer market · WHO #47 nonfoil
$3.61 +4.3% +$0.15, 7 days
1-year range
30 days
+6.2%
EDHREC rank
#3,562 Down 60 in 30 days
Best buylist
Not available

Buy WHO #47 nonfoil

TCGplayer, $3.61 (opens in a new tab) Card Kingdom, (opens in a new tab) Mana Pool, (opens in a new tab) eBay, Check price (opens in a new tab)

Affiliate links. TCG Strat may earn a commission from TCGplayer, Mana Pool and eBay. Prices are TCGplayer’s market price, Card Kingdom’s retail price and Mana Pool’s lowest listing.

K-9, Mark I Price Summary

The benchmark price (cheapest playable nonfoil) is $3.61, up 4.3% over 7 days, up 6.2% over 30 days, down 2.4% over 90 days.

K-9, Mark I Price History

Markets TCGplayer marketreference

Markets on the chart

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Card Kingdom retail
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Mana Pool, lowest listing
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K-9, Mark I price history chart, default range 3 months. currently $3.61.

Where to Buy and Sell K-9, Mark I

Every market we track for WHO #47 nonfoil on one line. The gray band is what you give up selling to a store instead of buying at market.

K-9, Mark I in Sealed Products

Checking which sealed products hold WHO #47 nonfoil.

Loading sealed products.

K-9, Mark I Printings & Prices

K-9, Mark I has 6 tracked printings across 1 sets, in surge foil, nonfoil and foil finishes, including showcase, extended art and alt art treatments.

WHO set symbol, RareWHO #47
Viewing
WHO set symbol, RareWHO #362
Extended Art
WHO set symbol, RareWHO #537
BorderlessShowcase
WHO set symbol, RareWHO #652
Alt Art
WHO set symbol, RareWHO #953
Extended Art
WHO set symbol, RareWHO #1128
BorderlessShowcase

Sell K-9, Mark I: Buylist Offers

BuyerPrintingFinishCash offerMarketSpread to market
Card KingdomWHO #1128Surge Foil
CoolStuffIncWHO #1128Surge Foil
Card KingdomWHO #953Surge Foil
Card KingdomWHO #652Surge Foil
CoolStuffIncWHO #953Surge Foil
Card KingdomWHO #362Foil
Card KingdomWHO #537Foil
CoolStuffIncWHO #652Surge Foil
CoolStuffIncWHO #362Foil
Card KingdomWHO #47Foil

K-9, Mark I Rules Text & Legality

K-9, Mark I

Negative — As long as K-9 is untapped, other legendary creatures you control have ward {1}.

Affirmative — {1}{U}, {T}: Target legendary creature can't be blocked this turn.

Doctor's companion (You can have two commanders if the other is the Doctor.)

K-9, Mark I is legal in Legacy and Commander, and not legal in Standard, Pioneer, Modern and Pauper.

  • CommanderLegal
  • Duel CommanderLegal
  • LegacyLegal
  • OathbreakerLegal
  • VintageLegal
  • AlchemyNot legal
  • BrawlNot legal
  • Competitive BrawlNot legal
  • Future StandardNot legal
  • GladiatorNot legal
  • HistoricNot legal
  • ModernNot legal
  • Old SchoolNot legal
  • PauperNot legal
  • Pauper CommanderNot legal
  • Penny DreadfulNot legal
  • PioneerNot legal
  • PreDHNot legal
  • PremodernNot legal
  • StandardNot legal
  • Standard BrawlNot legal
  • TimelessNot legal
View on Scryfall ↗

K-9, Mark I Rulings

  • Oct 13, 2023

    Although Doctor's companion is a new variant of the partner ability, the rules for partner have not otherwise changed. Notably, Time Lord Doctors and cards with Doctor's companion do not interact with cards which have another partner ability.

  • Oct 13, 2023

    An effect that checks whether you control your commander is satisfied if you control one or both of your two commanders.

  • Oct 13, 2023

    Both commanders start in the command zone, and the remaining 98 cards (or 58 cards in a Commander Draft game) of your deck are shuffled to become your library.

  • Oct 13, 2023

    If something refers to your commander while you have two commanders, it refers to one of them of your choice. If you are instructed to perform an action on your commander (e.g. put it from the command zone into your hand due to Command Beacon), you choose one of your commanders at the time the effect happens.

  • Oct 13, 2023

    If your Commander deck has two commanders, you can include only cards whose own color identities are also found in your commanders' combined color identities.

Reprints & Reprint Risk

K-9, Mark I has been reprinted 9 times.

  • Oct 13, 2023WHO set symbol, RareDoctor Who · Extended ArtWHO #362
  • Oct 13, 2023WHO set symbol, RareDoctor Who · Extended Art, foilWHO #362
  • Oct 13, 2023WHO set symbol, RareDoctor WhoWHO #47
  • Oct 13, 2023WHO set symbol, RareDoctor Who · foilWHO #47
  • Oct 13, 2023WHO set symbol, RareDoctor Who · ShowcaseWHO #537
  • Oct 13, 2023WHO set symbol, RareDoctor Who · Showcase, foilWHO #537
  • Oct 13, 2023WHO set symbol, RareDoctor Who · Extended Art, surge foilWHO #953
  • Oct 13, 2023WHO set symbol, RareDoctor Who · Showcase, surge foilWHO #1128
  • Oct 13, 2023WHO set symbol, RareDoctor Who · Alt Art, surge foilWHO #652

K-9, Mark I in Commander

K-9, Mark I is the #3,562 most-played card on EDHREC, down 60 places over the last 30 days.

#3,562 EDHREC rank
across all Commander decks Down 60 in 30 days

K-9, Mark I FAQ

How much is K-9, Mark I worth?

K-9, Mark I is worth about $3.61 for its cheapest playable printing as of Nov 8, 2026.

Is K-9, Mark I legal in Commander?

Yes. K-9, Mark I is legal in Commander. It is also legal in Legacy.

Has K-9, Mark I been reprinted?

Yes. K-9, Mark I has been reprinted 9 times, with 6 printings tracked on The Index.

Why is K-9, Mark I cheap?

K-9, Mark I trades at about $3.61; 9 reprints keep supply plentiful.