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K-9, Mark I
Price tag $3.53

Legendary Artifact CreatureRobot Dog

Magic color symbol for U
Mono-Blue

Doctor Commanders

K-9, Mark I: Clues can be the companion for any of these 17 Doctors.

Game Changers

High-impact bombs that can take over a K-9, Mark I Clues game on their own.

Ancient Tomb Ancient Tomb
+88% Synergy $131.68
Fierce Guardianship Fierce Guardianship
+77% Synergy $54.33
Cyclonic Rift Cyclonic Rift
+67% Synergy $40.14

Creatures

Creatures that carry the Clues plan in K-9, Mark I decks, from early pressure to payoff.

Tangletrove Kelp Tangletrove Kelp
+99% Synergy $0.37
Piper Wright, Publick Reporter Piper Wright, Publick Reporter
+99% Synergy $0.34
Martha Jones Martha Jones
+99% Synergy $0.34
James, Wandering Dad James, Wandering Dad
+99% Synergy $0.29
Academy Manufactor Academy Manufactor
+99% Synergy $6.90
Ethereal Investigator Ethereal Investigator
+98% Synergy $0.40
Clone Clone
+97% Synergy $0.61
Sakashima the Impostor Sakashima the Impostor
+97% Synergy $18.44
Ioreth of the Healing House Ioreth of the Healing House
+97% Synergy $0.32
The Mechanist, Aerial Artisan The Mechanist, Aerial Artisan
+97% Synergy $0.33
Mockingbird Mockingbird
+96% Synergy $3.87
Kappa Cannoneer Kappa Cannoneer
+92% Synergy $0.36
Forensic Gadgeteer Forensic Gadgeteer
+90% Synergy $1.30
Phyrexian Metamorph Phyrexian Metamorph
+81% Synergy $2.11
Solemn Simulacrum Solemn Simulacrum
+78% Synergy $0.34
Iymrith, Desert Doom Iymrith, Desert Doom
+50% Synergy $1.51
The Peregrine Dynamo The Peregrine Dynamo
+50% Synergy $2.78
Knowledge Seeker Knowledge Seeker
+49% Synergy $0.17
Flesh Duplicate Flesh Duplicate
+48% Synergy $8.30
Junk Winder Junk Winder
+48% Synergy $0.34
Stunt Double Stunt Double
+48% Synergy $4.50
Phantasmal Image Phantasmal Image
+45% Synergy $4.80
Clever Impersonator Clever Impersonator
+44% Synergy $5.26
Emry, Lurker of the Loch Emry, Lurker of the Loch
+38% Synergy $0.50
Erdwal Illuminator Erdwal Illuminator
+100% Synergy $0.32
Floodhound Floodhound
+100% Synergy $0.21
Forecasting Fortune Teller Forecasting Fortune Teller
+100% Synergy $0.12

Instants

Instant-speed interaction and tricks that keep K-9, Mark I's Clues deck ahead.

Confirm Suspicions Confirm Suspicions
+99% Synergy $0.30
Lost Days Lost Days
+99% Synergy $0.17
Deduce Deduce
+98% Synergy $0.21
Mana Drain Mana Drain
+73% Synergy $56.81
Frantic Search Frantic Search
+69% Synergy $1.55
Aetherize Aetherize
+69% Synergy $0.38
Arcane Denial Arcane Denial
+64% Synergy $1.92
An Offer You Can't Refuse An Offer You Can't Refuse
+62% Synergy $2.39
Negate Negate
+62% Synergy $0.24
Brainstorm Brainstorm
+59% Synergy $1.62
High Tide High Tide
+56% Synergy $1.53
Desynchronization Desynchronization
+45% Synergy $4.32
Counterspell Counterspell
+34% Synergy $3.77
Archmage's Charm Archmage's Charm
+33% Synergy $1.61
Swan Song Swan Song
+23% Synergy $8.50
Secrets of the Key Secrets of the Key
+100% Synergy $0.20

Sorceries

Sorceries that push the Clues game plan forward for K-9, Mark I.

Hard Evidence Hard Evidence
+98% Synergy $0.16
Arwen's Gift Arwen's Gift
+50% Synergy $0.20
Press for Answers Press for Answers
+100% Synergy $0.07

Utility Artifacts

Artifacts that add consistency and utility to K-9, Mark I Clues decks.

Tamiyo's Journal Tamiyo's Journal
+99% Synergy $2.85
Champion's Helm Champion's Helm
+98% Synergy $2.49
Cloud Key Cloud Key
+93% Synergy $1.70
Lightning Greaves Lightning Greaves
+74% Synergy $3.66
Swiftfoot Boots Swiftfoot Boots
+72% Synergy $2.46
Heroes' Podium Heroes' Podium
+50% Synergy $0.45
Fire Nation Warship Fire Nation Warship
+50% Synergy $0.15
Sapphire Medallion Sapphire Medallion
+41% Synergy $5.28
Magnifying Glass Magnifying Glass
+100% Synergy $0.16

Enchantments

Enchantments that reinforce the Clues strategy in K-9, Mark I decks.

Trail of Evidence Trail of Evidence
+99% Synergy $0.34
Combat Research Combat Research
+48% Synergy $0.42
Hold for Questioning Hold for Questioning
+100% Synergy $0.18
Case of the Filched Falcon Case of the Filched Falcon
+100% Synergy $0.09
Curious Inquiry Curious Inquiry
+100% Synergy $0.21

Utility Lands

Non-basic lands that pull extra weight in K-9, Mark I Clues decks.

Dark Depths Dark Depths
+99% Synergy $2.81
Rivendell Rivendell
+89% Synergy $1.96
Minamo, School at Water's Edge Minamo, School at Water's Edge
+87% Synergy $62.31
Nykthos, Shrine to Nyx Nykthos, Shrine to Nyx
+84% Synergy $54.27
Urza's Saga Urza's Saga
+83% Synergy $43.89
Castle Vantress Castle Vantress
+82% Synergy $0.33
Academy Ruins Academy Ruins
+81% Synergy $9.00
Otawara, Soaring City Otawara, Soaring City
+74% Synergy $27.39
Mystic Sanctuary Mystic Sanctuary
+50% Synergy $1.09
Agna Qel'a Agna Qel'a
+42% Synergy $0.97
Temple of the False God Temple of the False God
+40% Synergy $0.29
Archway of Innovation Archway of Innovation
+39% Synergy $0.74
War Room War Room
+34% Synergy $2.87
Reliquary Tower Reliquary Tower
-6% Synergy $3.36

Mana Artifacts

Mana rocks and fixing to power out K-9, Mark I's Clues strategy.

Five Hundred Year Diary Five Hundred Year Diary
+99% Synergy $0.33
Relic of Legends Relic of Legends
+98% Synergy $1.24
Patriar's Seal Patriar's Seal
+98% Synergy $5.06
Throne of Eldraine Throne of Eldraine
+91% Synergy $30.81
Caged Sun Caged Sun
+89% Synergy $3.57
Crystal Skull, Isu Spyglass Crystal Skull, Isu Spyglass
+45% Synergy $1.55
Fellwar Stone Fellwar Stone
+30% Synergy $0.70
Midnight Clock Midnight Clock
+30% Synergy $0.65
Sol Ring Sol Ring
+15% Synergy $1.84
Mind Stone Mind Stone
+15% Synergy $0.31
Arcane Signet Arcane Signet
-15% Synergy $0.69

Lands

The mana base behind K-9, Mark I's Clues decks.

Island Island
+6% Synergy $0.21

Similar Commanders

The following Commanders share a similar playing style, strategy, or theme like K-9, Mark I: Clues.