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The Fourth Doctor // K-9, Mark I
Price tag $3.83

Legendary Creature — Doctor Artifact Robot Dog

The Fourth Doctor K-9, Mark I
Magic color symbol for G Magic color symbol for U
Simic

Playstyle & Strategy

Historic 59% Legends 12%

How it feels to play against

Mildly Annoying Some frustrating moments but still fun.

Links & Decks

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Buy The Fourth Doctor // K-9, Mark I

Mana Pool $0.22
View Average Decklist

Partner Commanders

This combination consists of these two partner commanders:

The Fourth Doctor The Fourth Doctor
K-9, Mark I K-9, Mark I

New Cards

Fresh cards from recent sets that players are experimenting with in The Fourth Doctor // K-9, Mark I decks.

Louisoix's Sacrifice Louisoix's Sacrifice
+100% Synergy in 100% of decks $0.36

High Synergy Cards

Cards that work exceptionally well with The Fourth Doctor // K-9, Mark I's abilities and overall game plan.

Seat of the Synod Seat of the Synod
+79% Synergy in 81% of decks $1.04
The Shire The Shire
+79% Synergy in 81% of decks $1.96
Rivendell Rivendell
+75% Synergy in 81% of decks $1.38
Trenzalore Clocktower Trenzalore Clocktower
+74% Synergy in 75% of decks $0.32
The Goose Mother The Goose Mother
+73% Synergy in 75% of decks $0.29
The Sixth Doctor The Sixth Doctor
+69% Synergy in 69% of decks $0.37
Night of the Sweets' Revenge Night of the Sweets' Revenge
+68% Synergy in 69% of decks $0.80
Peregrin Took Peregrin Took
+66% Synergy in 69% of decks $0.80
Jhoira's Familiar Jhoira's Familiar
+62% Synergy in 63% of decks $2.51
Tree of Tales Tree of Tales
+61% Synergy in 63% of decks $1.54

Top Cards

The most popular and reliable cards that form the backbone of successful The Fourth Doctor // K-9, Mark I decks.

Solemn Simulacrum Solemn Simulacrum
+56% Synergy in 63% of decks $0.49
Jamie McCrimmon Jamie McCrimmon
+56% Synergy in 56% of decks $0.25
Raised by Giants Raised by Giants
+56% Synergy in 56% of decks $0.38
The Third Doctor The Third Doctor
+56% Synergy in 56% of decks $0.33
Heroes' Podium Heroes' Podium
+50% Synergy in 50% of decks $0.50
Kolvori, God of Kinship The Ringhart Crest Kolvori, God of Kinship
+50% Synergy in 50% of decks $0.34
Counterspell Counterspell
+31% Synergy in 81% of decks $4.02
Swiftfoot Boots Swiftfoot Boots
+30% Synergy in 56% of decks $1.52
Negate Negate
+30% Synergy in 56% of decks $0.36
Beast Within Beast Within
+4% Synergy in 56% of decks $0.46

Creatures

Essential creatures that complement The Fourth Doctor // K-9, Mark I's strategy through synergy, utility, or raw power.

Elanor Gardner Elanor Gardner
+49% Synergy in 50% of decks $3.78
Legolas Greenleaf Legolas Greenleaf
+48% Synergy in 50% of decks $0.38
Ioreth of the Healing House Ioreth of the Healing House
+42% Synergy in 44% of decks $0.31
Ghalta, Primal Hunger Ghalta, Primal Hunger
+41% Synergy in 44% of decks $1.06
Rashmi, Eternities Crafter Rashmi, Eternities Crafter
+41% Synergy in 44% of decks $0.37
The Pride of Hull Clade The Pride of Hull Clade
+38% Synergy in 39% of decks $2.51
Arixmethes, Slumbering Isle Arixmethes, Slumbering Isle
+37% Synergy in 50% of decks $1.21
Graham O'Brien Graham O'Brien
+37% Synergy in 38% of decks $0.31
Arcanis the Omnipotent Arcanis the Omnipotent
+36% Synergy in 38% of decks $0.30
Bonny Pall, Clearcutter Bonny Pall, Clearcutter
+34% Synergy in 40% of decks $0.38
Academy Manufactor Academy Manufactor
+34% Synergy in 38% of decks $8.45
Kogla, the Titan Ape Kogla, the Titan Ape
+34% Synergy in 38% of decks $2.97
Imoti, Celebrant of Bounty Imoti, Celebrant of Bounty
+34% Synergy in 38% of decks $0.27
Esix, Fractal Bloom Esix, Fractal Bloom
+33% Synergy in 38% of decks $0.47
Silvos, Rogue Elemental Silvos, Rogue Elemental
+31% Synergy in 31% of decks $0.39
Grunn, the Lonely King Grunn, the Lonely King
+31% Synergy in 31% of decks $0.18
Old One Eye Old One Eye
+31% Synergy in 31% of decks $2.72
Kairi, the Swirling Sky Kairi, the Swirling Sky
+31% Synergy in 31% of decks $0.81
Keiga, the Tide Star Keiga, the Tide Star
+31% Synergy in 31% of decks $0.37
Goreclaw, Terror of Qal Sisma Goreclaw, Terror of Qal Sisma
+27% Synergy in 31% of decks $2.33
Jugan, the Rising Star Jugan, the Rising Star
+25% Synergy in 25% of decks $0.29
Iymrith, Desert Doom Iymrith, Desert Doom
+24% Synergy in 25% of decks $1.17
Tough Cookie Tough Cookie
+24% Synergy in 25% of decks $0.26
Gilded Goose Gilded Goose
+23% Synergy in 25% of decks $0.36
Lorthos, the Tidemaker Lorthos, the Tidemaker
+21% Synergy in 25% of decks $0.35
Jaheira, Friend of the Forest Jaheira, Friend of the Forest
+21% Synergy in 25% of decks $9.44
Nyssa of Traken Nyssa of Traken
+19% Synergy in 19% of decks $0.33
Etherium Sculptor Etherium Sculptor
+18% Synergy in 19% of decks $0.74
Grazilaxx, Illithid Scholar Grazilaxx, Illithid Scholar
+18% Synergy in 19% of decks $1.65
The Thirteenth Doctor The Thirteenth Doctor
+18% Synergy in 19% of decks $0.41
Gretchen Titchwillow Gretchen Titchwillow
+17% Synergy in 19% of decks $0.22
Uro, Titan of Nature's Wrath Uro, Titan of Nature's Wrath
+16% Synergy in 25% of decks $2.56
Troyan, Gutsy Explorer Troyan, Gutsy Explorer
+15% Synergy in 19% of decks $0.29
Toski, Bearer of Secrets Toski, Bearer of Secrets
+15% Synergy in 19% of decks $7.04
Tireless Provisioner Tireless Provisioner
+9% Synergy in 25% of decks $2.69

Instants

Key instant-speed responses for protection, removal, and keeping The Fourth Doctor // K-9, Mark I safe.

Tale's End Tale's End
+18% Synergy in 19% of decks $2.59
Reality Shift Reality Shift
+17% Synergy in 31% of decks $0.39
Mana Leak Mana Leak
+16% Synergy in 19% of decks $0.35
Brainstorm Brainstorm
+10% Synergy in 25% of decks $0.91
An Offer You Can't Refuse An Offer You Can't Refuse
-3% Synergy in 19% of decks $3.28
Heroic Intervention Heroic Intervention
-5% Synergy in 25% of decks $6.77
Pongify Pongify
-6% Synergy in 19% of decks $1.55
Growth Spiral Growth Spiral
-19% Synergy in 25% of decks $0.30

Sorceries

Important sorcery spells that advance The Fourth Doctor // K-9, Mark I's game plan and control the board.

Kamahl's Druidic Vow Kamahl's Druidic Vow
+37% Synergy in 38% of decks $0.81
Wash Out Wash Out
+30% Synergy in 31% of decks $0.40
Many Partings Many Partings
+24% Synergy in 25% of decks $0.24
Ezuri's Predation Ezuri's Predation
+23% Synergy in 31% of decks $2.32
Giant Opportunity Giant Opportunity
+18% Synergy in 19% of decks $0.32
Ponder Ponder
+11% Synergy in 19% of decks $1.69
Preordain Preordain
+9% Synergy in 19% of decks $0.97
Rampant Growth Rampant Growth
-23% Synergy in 19% of decks $0.32
Cultivate Cultivate
-30% Synergy in 19% of decks $0.32

Utility Artifacts

Versatile artifacts that provide ongoing value, card selection, or strategic advantages.

Blackblade Reforged Blackblade Reforged
+47% Synergy in 50% of decks $2.80
Champion's Helm Champion's Helm
+43% Synergy in 44% of decks $2.62
Fireshrieker Fireshrieker
+37% Synergy in 38% of decks $0.22
Argentum Armor Argentum Armor
+31% Synergy in 31% of decks $2.92
Loxodon Warhammer Loxodon Warhammer
+31% Synergy in 31% of decks $2.45
Bonehoard Bonehoard
+25% Synergy in 25% of decks $0.90
TARDIS TARDIS
+25% Synergy in 25% of decks $0.27
Lightning Greaves Lightning Greaves
+21% Synergy in 44% of decks $2.79
Lifecrafter's Bestiary Lifecrafter's Bestiary
+14% Synergy in 19% of decks $0.43

Enchantments

Powerful enchantments that support The Fourth Doctor // K-9, Mark I's strategy and create lasting battlefield effects.

Hadana's Climb Winged Temple of Orazca Hadana's Climb
+33% Synergy in 38% of decks $1.94
City of Death City of Death
+30% Synergy in 31% of decks $4.08
An Unearthly Child An Unearthly Child
+19% Synergy in 19% of decks $0.29
Fugitive of the Judoon Fugitive of the Judoon
+19% Synergy in 19% of decks $0.23
Welcome to Sweettooth Welcome to Sweettooth
+18% Synergy in 19% of decks $0.29
Clan Crafter Clan Crafter
+18% Synergy in 19% of decks $0.75

Planeswalkers

Planeswalkers that work alongside The Fourth Doctor // K-9, Mark I to provide ongoing value and board presence.

Tezzeret, Betrayer of Flesh Tezzeret, Betrayer of Flesh
+37% Synergy in 38% of decks $0.58
Ugin, the Ineffable Ugin, the Ineffable
+37% Synergy in 38% of decks $2.22
Freyalise, Llanowar's Fury Freyalise, Llanowar's Fury
+37% Synergy in 38% of decks $4.18
Nissa, Steward of Elements Nissa, Steward of Elements
+20% Synergy in 25% of decks $0.38
Oko, Thief of Crowns Oko, Thief of Crowns
+11% Synergy in 19% of decks $6.96

Utility Lands

Non-basic lands that offer additional utility beyond just mana production.

Geier Reach Sanitarium Geier Reach Sanitarium
+56% Synergy in 56% of decks $2.61
Mikokoro, Center of the Sea Mikokoro, Center of the Sea
+56% Synergy in 56% of decks $4.95
Darksteel Citadel Darksteel Citadel
+55% Synergy in 56% of decks $2.34
Restless Vinestalk Restless Vinestalk
+25% Synergy in 31% of decks $0.36
Lumbering Falls Lumbering Falls
+24% Synergy in 31% of decks $0.23
Mobilized District Mobilized District
+18% Synergy in 19% of decks $0.28
Mosswort Bridge Mosswort Bridge
+14% Synergy in 31% of decks $0.59
Rogue's Passage Rogue's Passage
-3% Synergy in 19% of decks $0.31
Yavimaya, Cradle of Growth Yavimaya, Cradle of Growth
-4% Synergy in 19% of decks $13.22
Reliquary Tower Reliquary Tower
-25% Synergy in 25% of decks $2.12

Mana Artifacts

Artifacts focused on mana acceleration and color fixing for consistent gameplay.

Mind Stone Mind Stone
+64% Synergy in 69% of decks $0.42
Sonic Screwdriver Sonic Screwdriver
+62% Synergy in 63% of decks $3.17
Relic of Legends Relic of Legends
+37% Synergy in 38% of decks $0.77
Commander's Sphere Commander's Sphere
+34% Synergy in 44% of decks $0.40
Arcane Signet Arcane Signet
+30% Synergy in 94% of decks $0.49
Simic Signet Simic Signet
+28% Synergy in 63% of decks $0.33
Fellwar Stone Fellwar Stone
+28% Synergy in 38% of decks $2.65
Moss Diamond Moss Diamond
+24% Synergy in 25% of decks $0.23
Sky Diamond Sky Diamond
+24% Synergy in 25% of decks $0.24
Talisman of Curiosity Talisman of Curiosity
+22% Synergy in 44% of decks $0.47
The Irencrag The Irencrag
+19% Synergy in 19% of decks $0.60
Everflowing Chalice Everflowing Chalice
+14% Synergy in 19% of decks $0.47
Sol Ring Sol Ring
+12% Synergy in 94% of decks $1.25
Thought Vessel Thought Vessel
+11% Synergy in 31% of decks $1.48

Lands

The mana base foundation for The Fourth Doctor // K-9, Mark I decks, ensuring smooth and reliable mana development.

The Grey Havens The Grey Havens
+78% Synergy in 81% of decks $0.34
Tanglepool Bridge Tanglepool Bridge
+52% Synergy in 56% of decks $0.28
Vineglimmer Snarl Vineglimmer Snarl
+37% Synergy in 75% of decks $0.22
Quandrix Campus Quandrix Campus
+30% Synergy in 38% of decks $0.26
Gallifrey Council Chamber Gallifrey Council Chamber
+25% Synergy in 25% of decks $0.32
Waterlogged Grove Waterlogged Grove
+23% Synergy in 44% of decks $1.37
Temple of Mystery Temple of Mystery
+17% Synergy in 56% of decks $0.75
Yavimaya Coast Yavimaya Coast
+16% Synergy in 69% of decks $0.36
Command Tower Command Tower
+8% Synergy in 94% of decks $0.38
Simic Growth Chamber Simic Growth Chamber
+7% Synergy in 56% of decks $0.30
Thornwood Falls Thornwood Falls
+7% Synergy in 25% of decks $0.15
Path of Ancestry Path of Ancestry
+1% Synergy in 19% of decks $0.32
Exotic Orchard Exotic Orchard
0% Synergy in 25% of decks $0.47
Dreamroot Cascade Dreamroot Cascade
-21% Synergy in 19% of decks $1.22
Breeding Pool Breeding Pool
-25% Synergy in 19% of decks $5.34
Hinterland Harbor Hinterland Harbor
-39% Synergy in 19% of decks $2.96

The Fourth Doctor // K-9, Mark I Deck Stats

Based on 16 The Fourth Doctor // K-9, Mark I decks.

Average Mana Curve nonland cards
Card Types in the average deck
98 cards
  • Creature 26
  • Instant 9
  • Sorcery 5
  • Artifact 16
  • Enchantment 6
  • Planeswalker 2
  • Land 34

Lands: 15 basic, 19 nonbasic

Most Played Combos

Similar Commanders

The following Commanders share a similar playing style, strategy, or theme like The Fourth Doctor // K-9, Mark I.

The Sixth Doctor Jamie McCrimmon The Sixth Doctor // Jamie McCrimmon
The Fourth Doctor Nardole, Resourceful Cyborg The Fourth Doctor // Nardole, Resourceful Cyborg
The Fourth Doctor Graham O'Brien The Fourth Doctor // Graham O'Brien
The Fourth Doctor Donna Noble The Fourth Doctor // Donna Noble
The Fourth Doctor Susan Foreman The Fourth Doctor // Susan Foreman
The Sixth Doctor Clara Oswald The Sixth Doctor // Clara Oswald
The Third Doctor Jamie McCrimmon The Third Doctor // Jamie McCrimmon
The Fourth Doctor Jamie McCrimmon The Fourth Doctor // Jamie McCrimmon
The Fourteenth Doctor Peri Brown The Fourteenth Doctor // Peri Brown
Ishai, Ojutai Dragonspeaker Yoshimaru, Ever Faithful Ishai, Ojutai Dragonspeaker // Yoshimaru, Ever Faithful
The Eleventh Doctor Jamie McCrimmon The Eleventh Doctor // Jamie McCrimmon
The Fourth Doctor Peri Brown The Fourth Doctor // Peri Brown
The Sixth Doctor K-9, Mark I The Sixth Doctor // K-9, Mark I
The Fourth Doctor Clara Oswald The Fourth Doctor // Clara Oswald
The Fourth Doctor Nyssa of Traken The Fourth Doctor // Nyssa of Traken
The Fourth Doctor Sarah Jane Smith The Fourth Doctor // Sarah Jane Smith
The Fourth Doctor Yasmin Khan The Fourth Doctor // Yasmin Khan
The Sixth Doctor Donna Noble The Sixth Doctor // Donna Noble
The Sixth Doctor Adric, Mathematical Genius The Sixth Doctor // Adric, Mathematical Genius
The Fifth Doctor Martha Jones The Fifth Doctor // Martha Jones
The Seventh Doctor Jamie McCrimmon The Seventh Doctor // Jamie McCrimmon
The Sixth Doctor Yasmin Khan The Sixth Doctor // Yasmin Khan
The Sixth Doctor Peri Brown The Sixth Doctor // Peri Brown
The Fourth Doctor Ace, Fearless Rebel The Fourth Doctor // Ace, Fearless Rebel
The Seventh Doctor Jo Grant The Seventh Doctor // Jo Grant
The Fourteenth Doctor Yasmin Khan The Fourteenth Doctor // Yasmin Khan
The Sixth Doctor Romana II The Sixth Doctor // Romana II
The Sixth Doctor Ryan Sinclair The Sixth Doctor // Ryan Sinclair
The Eighth Doctor Ryan Sinclair The Eighth Doctor // Ryan Sinclair
The Fourth Doctor Vislor Turlough The Fourth Doctor // Vislor Turlough
The Sixth Doctor Tegan Jovanka The Sixth Doctor // Tegan Jovanka
The Tenth Doctor Nardole, Resourceful Cyborg The Tenth Doctor // Nardole, Resourceful Cyborg
Esior, Wardwing Familiar Yoshimaru, Ever Faithful Esior, Wardwing Familiar // Yoshimaru, Ever Faithful
Ich-Tekik, Salvage Splicer Yoshimaru, Ever Faithful Ich-Tekik, Salvage Splicer // Yoshimaru, Ever Faithful
The Sixth Doctor Sarah Jane Smith The Sixth Doctor // Sarah Jane Smith
The Eighth Doctor Clara Oswald The Eighth Doctor // Clara Oswald
The Eighth Doctor Graham O'Brien The Eighth Doctor // Graham O'Brien
The Eighth Doctor Sarah Jane Smith The Eighth Doctor // Sarah Jane Smith
Jamie McCrimmon Jamie McCrimmon
The Fifth Doctor Ryan Sinclair The Fifth Doctor // Ryan Sinclair