K-9, Mark I (Commander)

K-9, Mark I
Rank #3,957
46decks
As CommanderAs PartnerAs CardAverage DeckDecks
Bracket
All1234
5
Budget
Any$$$$
Nicholas Lucchesi
Sep 9, 2026
Nicholas Lucchesi
Blue's Best Single-Printing One-Drops | One Time Only
The top ten blue one-drops with only a single printing, from K-9, Mark I to Stubborn Denial — the best blue cards Wizards never reprinted.
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Top Cards
Game Changers
Creatures
Instants
Sorceries
Utility Artifacts
Enchantments
Planeswalkers
Utility Lands
Mana Artifacts
Lands
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Fblthp, Impossibly Lost
50%inclusion1 decks2 decks
49%synergy
Hapatra, the Desert Frost
50%inclusion1 decks2 decks
50%synergy
High Synergy Cards
Ioreth of the Healing House
67%inclusion31 decks46 decks
64%synergy
Iymrith, Desert Doom
57%inclusion26 decks46 decks
56%synergy
Rivendell
65%inclusion30 decks46 decks
55%synergy
Callaphe, Beloved of the Sea
46%inclusion21 decks46 decks
45%synergy
Thassa, God of the Sea
48%inclusion22 decks46 decks
44%synergy
Arwen's Gift
43%inclusion20 decks46 decks
43%synergy
Grazilaxx, Illithid Scholar
43%inclusion20 decks46 decks
42%synergy
Combat Research
43%inclusion20 decks46 decks
41%synergy
Heroes' Podium
41%inclusion19 decks46 decks
41%synergy
The Reality Chip
52%inclusion24 decks46 decks
41%synergy
Top Cards
Sapphire Medallion
63%inclusion29 decks46 decks
3%synergy
Aetherize
61%inclusion28 decks46 decks
29%synergy
Counterspell
59%inclusion27 decks46 decks
-7%synergy
Pongify
57%inclusion26 decks46 decks
16%synergy
Brainstorm
57%inclusion26 decks46 decks
16%synergy
Bident of Thassa
52%inclusion24 decks46 decks
40%synergy
An Offer You Can't Refuse
50%inclusion23 decks46 decks
11%synergy
High Tide
50%inclusion23 decks46 decks
6%synergy
Rapid Hybridization
48%inclusion22 decks46 decks
13%synergy
Ponder
46%inclusion21 decks46 decks
16%synergy
Game Changers
Cyclonic Rift
26%inclusion12 decks46 decks
-5%synergy
Mystical Tutor
17%inclusion8 decks46 decks
-3%synergy
Fierce Guardianship
15%inclusion7 decks46 decks
-7%synergy
Rhystic Study
11%inclusion5 decks46 decks
-20%synergy
Ancient Tomb
8.7%inclusion4 decks46 decks
-2%synergy
Thassa's Oracle
6.5%inclusion3 decks46 decks
-5%synergy
The One Ring
6.5%inclusion3 decks46 decks
-6%synergy
Chrome Mox
6.5%inclusion3 decks46 decks
-2%synergy
Creatures
Nezahal, Primal Tide
43%inclusion20 decks46 decks
36%synergy
Eluge, the Shoreless Sea
43%inclusion20 decks46 decks
35%synergy
Teferi, Mage of Zhalfir
41%inclusion19 decks46 decks
38%synergy
Malcolm, Alluring Scoundrel
39%inclusion18 decks46 decks
34%synergy
The Blue Spirit
36%inclusion8 decks22 decks
36%synergy
Solemn Simulacrum
35%inclusion16 decks46 decks
14%synergy
Unctus, Grand Metatect
35%inclusion16 decks46 decks
30%synergy
Kira, Great Glass-Spinner
35%inclusion16 decks46 decks
32%synergy
Sun Quan, Lord of Wu
33%inclusion15 decks46 decks
32%synergy
Baral, Chief of Compliance
28%inclusion13 decks46 decks
18%synergy
Esior, Wardwing Familiar
28%inclusion13 decks46 decks
25%synergy
Piper Wright, Publick Reporter
28%inclusion13 decks46 decks
28%synergy
Kairi, the Swirling Sky
28%inclusion13 decks46 decks
28%synergy
Atemsis, All-Seeing
26%inclusion12 decks46 decks
24%synergy
Jin-Gitaxias, Progress Tyrant
26%inclusion12 decks46 decks
19%synergy
Sakashima the Impostor
26%inclusion12 decks46 decks
23%synergy
Venser, Shaper Savant
24%inclusion11 decks46 decks
18%synergy
Adric, Mathematical Genius
24%inclusion11 decks46 decks
23%synergy
The Mechanist, Aerial Artisan
23%inclusion5 decks22 decks
20%synergy
Gadwick, the Wizened
22%inclusion10 decks46 decks
19%synergy
Ultimecia, Temporal Threat
21%inclusion7 decks33 decks
20%synergy
Professor Hulk
20%inclusion1 decks5 decks
19%synergy
Kiora, the Rising Tide
20%inclusion9 decks45 decks
17%synergy
H.E.R.B.I.E., Lovable Robot
20%inclusion1 decks5 decks
19%synergy
Reed Richards, Smartest Man
20%inclusion1 decks5 decks
18%synergy
Jin-Gitaxias
20%inclusion9 decks46 decks
17%synergy
Jhoira's Familiar
20%inclusion9 decks46 decks
14%synergy
Arcanis the Omnipotent
20%inclusion9 decks46 decks
13%synergy
The Peregrine Dynamo
20%inclusion9 decks46 decks
19%synergy
Wan Shi Tong, Librarian
18%inclusion4 decks22 decks
11%synergy
Vnwxt, Verbose Host
18%inclusion7 decks40 decks
15%synergy
Thryx, the Sudden Storm
17%inclusion8 decks46 decks
16%synergy
Empress Galina
17%inclusion8 decks46 decks
16%synergy
Gogo, Master of Mimicry
16%inclusion5 decks32 decks
13%synergy
Curie, Emergent Intelligence
15%inclusion7 decks46 decks
15%synergy
Lu Xun, Scholar General
15%inclusion7 decks46 decks
15%synergy
Alandra, Sky Dreamer
15%inclusion7 decks46 decks
8%synergy
Artificer's Assistant
15%inclusion7 decks46 decks
12%synergy
Tui and La, Moon and Ocean
14%inclusion3 decks22 decks
12%synergy
The Mindskinner
13%inclusion6 decks46 decks
10%synergy
Sakashima of a Thousand Faces
13%inclusion6 decks46 decks
7%synergy
Mockingbird
13%inclusion6 decks46 decks
9%synergy
Jill, Shiva's Dominant
12%inclusion4 decks34 decks
10%synergy
Spider-Man 2099, Miguel O'Hara
12%inclusion3 decks26 decks
11%synergy
Emeritus of Ideation
11%inclusion1 decks9 decks
7%synergy
Tetsuko Umezawa, Fugitive
11%inclusion5 decks46 decks
8%synergy
Laboratory Maniac
11%inclusion5 decks46 decks
-9%synergy
Phyrexian Metamorph
11%inclusion5 decks46 decks
-9%synergy
Osgood, Operation Double
11%inclusion5 decks46 decks
10%synergy
Hope of Ghirapur
11%inclusion5 decks46 decks
9%synergy
Instants
Frantic Search
43%inclusion20 decks46 decks
12%synergy
Reality Shift
39%inclusion18 decks46 decks
13%synergy
Negate
37%inclusion17 decks46 decks
-0%synergy
Arcane Denial
35%inclusion16 decks46 decks
-2%synergy
Desynchronization
30%inclusion14 decks46 decks
26%synergy
Opt
28%inclusion13 decks46 decks
3%synergy
Archmage's Charm
26%inclusion12 decks46 decks
9%synergy
Consider
22%inclusion10 decks46 decks
7%synergy
Spell Pierce
20%inclusion9 decks46 decks
11%synergy
Louisoix's Sacrifice
16%inclusion5 decks32 decks
15%synergy
Glorious Gale
15%inclusion7 decks46 decks
15%synergy
Swan Song
15%inclusion7 decks46 decks
-13%synergy
Mana Drain
13%inclusion6 decks46 decks
-14%synergy
Wash Away
13%inclusion6 decks46 decks
9%synergy
Divergent Equation
11%inclusion1 decks9 decks
10%synergy
Muddle the Mixture
11%inclusion5 decks46 decks
-4%synergy
Soothing of Sméagol
11%inclusion5 decks46 decks
10%synergy
Dispel
11%inclusion5 decks46 decks
2%synergy
Twiddle
11%inclusion5 decks46 decks
7%synergy
Slip Out the Back
11%inclusion5 decks46 decks
3%synergy
Disallow
11%inclusion5 decks46 decks
4%synergy
Cryptic Command
11%inclusion5 decks46 decks
-1%synergy
Mystic Confluence
11%inclusion5 decks46 decks
2%synergy
Deduce
11%inclusion5 decks46 decks
9%synergy
Bounce Off
10%inclusion4 decks40 decks
9%synergy
Magic Damper
10%inclusion3 decks31 decks
6%synergy
Lost Days
9.1%inclusion2 decks22 decks
9%synergy
Twisted Image
8.7%inclusion4 decks46 decks
6%synergy
Sublime Epiphany
8.7%inclusion4 decks46 decks
2%synergy
Stoic Rebuttal
8.7%inclusion4 decks46 decks
7%synergy
Tale's End
8.7%inclusion4 decks46 decks
6%synergy
Rewind
8.7%inclusion4 decks46 decks
-3%synergy
Dreadful as the Storm
8.7%inclusion4 decks46 decks
9%synergy
Evacuation
8.7%inclusion4 decks46 decks
1%synergy
It'll Quench Ya!
7.7%inclusion2 decks26 decks
6%synergy
Phantom Interference
6.5%inclusion3 decks46 decks
6%synergy
Envelop
6.5%inclusion3 decks46 decks
6%synergy
Secrets of the Key
6.5%inclusion3 decks46 decks
6%synergy
Unsummon
6.5%inclusion3 decks46 decks
2%synergy
Into the Flood Maw
6.5%inclusion3 decks46 decks
-1%synergy
Confirm Suspicions
6.5%inclusion3 decks46 decks
6%synergy
Cerulean Wisps
6.5%inclusion3 decks46 decks
3%synergy
Force of Negation
6.5%inclusion3 decks46 decks
-9%synergy
Silundi Vision
6.5%inclusion3 decks46 decks
1%synergy
Mana Leak
6.5%inclusion3 decks46 decks
1%synergy
Shore Up
6.5%inclusion3 decks46 decks
1%synergy
March of Swirling Mist
6.5%inclusion3 decks46 decks
-1%synergy
Vault Skyward
6.5%inclusion3 decks46 decks
6%synergy
Theoretical Duplication
6.5%inclusion3 decks46 decks
6%synergy
Sorceries
Preordain
39%inclusion18 decks46 decks
16%synergy
Serum Visions
24%inclusion11 decks46 decks
15%synergy
Lórien Revealed
24%inclusion11 decks46 decks
16%synergy
Birthday Escape
20%inclusion9 decks46 decks
19%synergy
Karn's Temporal Sundering
17%inclusion8 decks46 decks
15%synergy
Windfall
15%inclusion7 decks46 decks
-6%synergy
Irenicus's Vile Duplication
13%inclusion6 decks46 decks
5%synergy
Ravenform
13%inclusion6 decks46 decks
6%synergy
Will of the Temur
11%inclusion4 decks36 decks
10%synergy
Wisdom of Ages
11%inclusion1 decks9 decks
7%synergy
Enter the Enigma
11%inclusion5 decks46 decks
4%synergy
Void Snare
8.7%inclusion4 decks46 decks
8%synergy
Hard Evidence
8.7%inclusion4 decks46 decks
7%synergy
Time Stretch
8.7%inclusion4 decks46 decks
5%synergy
Quasiduplicate
8.7%inclusion4 decks46 decks
6%synergy
Horses of the Bruinen
6.5%inclusion3 decks46 decks
6%synergy
Quantum Misalignment
6.5%inclusion3 decks46 decks
3%synergy
Enter the Infinite
6.5%inclusion3 decks46 decks
2%synergy
Careful Study
6.5%inclusion3 decks46 decks
5%synergy
Fabricate
6.5%inclusion3 decks46 decks
-14%synergy
Press for Answers
6.5%inclusion3 decks46 decks
6%synergy
Traverse Eternity
6.5%inclusion3 decks46 decks
5%synergy
Utility Artifacts
Swiftfoot Boots
39%inclusion18 decks46 decks
11%synergy
Champion's Helm
35%inclusion16 decks46 decks
33%synergy
Blackblade Reforged
35%inclusion16 decks46 decks
30%synergy
Excalibur, Sword of Eden
33%inclusion15 decks46 decks
31%synergy
Wayfarer's Bauble
22%inclusion10 decks46 decks
5%synergy
Kefnet's Monument
22%inclusion10 decks46 decks
16%synergy
Lightning Greaves
22%inclusion10 decks46 decks
-4%synergy
Mirror of Galadriel
17%inclusion8 decks46 decks
17%synergy
The Key to the Vault
17%inclusion8 decks46 decks
16%synergy
Helm of the Host
17%inclusion8 decks46 decks
14%synergy
Mirror Box
15%inclusion7 decks46 decks
12%synergy
Mithril Coat
15%inclusion7 decks46 decks
12%synergy
Brotherhood Regalia
15%inclusion7 decks46 decks
13%synergy
Voltaic Key
11%inclusion5 decks46 decks
5%synergy
Manifold Key
11%inclusion5 decks46 decks
4%synergy
Commander's Plate
11%inclusion5 decks46 decks
6%synergy
Sword of the Animist
11%inclusion5 decks46 decks
6%synergy
Crown of Gondor
11%inclusion5 decks46 decks
11%synergy
Waterbending Scroll
9.1%inclusion2 decks22 decks
2%synergy
Quietus Spike
8.7%inclusion4 decks46 decks
8%synergy
The Indomitable
8.7%inclusion4 decks46 decks
6%synergy
Candlestick
8.7%inclusion4 decks46 decks
8%synergy
Thran Temporal Gateway
8.7%inclusion4 decks46 decks
9%synergy
Confession Dial
8.7%inclusion4 decks46 decks
9%synergy
Lavaspur Boots
8.7%inclusion4 decks46 decks
7%synergy
Weatherlight
8.7%inclusion4 decks46 decks
8%synergy
Bessie, the Doctor's Roadster
8.7%inclusion4 decks46 decks
9%synergy
Bloodforged Battle-Axe
8.7%inclusion4 decks46 decks
8%synergy
Colossus Hammer
8.7%inclusion4 decks46 decks
8%synergy
Sword of Feast and Famine
8.7%inclusion4 decks46 decks
7%synergy
Magnifying Glass
8.7%inclusion4 decks46 decks
8%synergy
Tamiyo's Journal
6.5%inclusion3 decks46 decks
5%synergy
Sword of the Chosen
6.5%inclusion3 decks46 decks
6%synergy
Hero's Blade
6.5%inclusion3 decks46 decks
6%synergy
Mjölnir, Storm Hammer
6.5%inclusion3 decks46 decks
6%synergy
Dragonfire Blade
5.6%inclusion2 decks36 decks
5%synergy
Enchantments
Aqueous Form
33%inclusion15 decks46 decks
27%synergy
Imprisoned in the Moon
33%inclusion15 decks46 decks
20%synergy
Wizard Class
33%inclusion15 decks46 decks
15%synergy
Teferi's Ageless Insight
30%inclusion14 decks46 decks
13%synergy
Propaganda
30%inclusion14 decks46 decks
-1%synergy
Ominous Seas
20%inclusion9 decks46 decks
8%synergy
Mystic Remora
20%inclusion9 decks46 decks
-7%synergy
Witness Protection
17%inclusion8 decks46 decks
12%synergy
Curious Inquiry
15%inclusion7 decks46 decks
15%synergy
Omniscience
15%inclusion7 decks46 decks
7%synergy
Curiosity
11%inclusion5 decks46 decks
8%synergy
Leyline of Singularity
11%inclusion5 decks46 decks
10%synergy
Telepathy
11%inclusion5 decks46 decks
9%synergy
Sleep Magic
9.4%inclusion3 decks32 decks
9%synergy
Retro-Mutation
9.1%inclusion1 decks11 decks
9%synergy
Reconnaissance Mission
8.7%inclusion4 decks46 decks
2%synergy
Curious Obsession
8.7%inclusion4 decks46 decks
8%synergy
Case of the Filched Falcon
8.7%inclusion4 decks46 decks
9%synergy
Scroll of Isildur
8.7%inclusion4 decks46 decks
8%synergy
Storm of Saruman
8.7%inclusion4 decks46 decks
7%synergy
Ballad of the Black Flag
8.7%inclusion4 decks46 decks
8%synergy
Stormchaser's Talent
6.5%inclusion3 decks46 decks
5%synergy
Aether Tunnel
6.5%inclusion3 decks46 decks
5%synergy
Hold for Questioning
6.5%inclusion3 decks46 decks
6%synergy
Thopter Spy Network
6.5%inclusion3 decks46 decks
-1%synergy
Crab Umbra
6.5%inclusion3 decks46 decks
6%synergy
Copy Enchantment
6.5%inclusion3 decks46 decks
4%synergy
Coastal Piracy
6.5%inclusion3 decks46 decks
1%synergy
Betrayal
6.5%inclusion3 decks46 decks
6%synergy
Marit Lage's Slumber
6.5%inclusion3 decks46 decks
6%synergy
Trail of Evidence
6.5%inclusion3 decks46 decks
6%synergy
Thassa's Ire
6.5%inclusion3 decks46 decks
6%synergy
Planeswalkers
Kaito, Cunning Infiltrator
16%inclusion7 decks45 decks
14%synergy
Kasmina, Enigmatic Mentor
11%inclusion5 decks46 decks
9%synergy
Teferi, Temporal Pilgrim
8.7%inclusion4 decks46 decks
4%synergy
Mordenkainen
8.7%inclusion4 decks46 decks
6%synergy
Jace, Wielder of Mysteries
6.5%inclusion3 decks46 decks
-8%synergy
Teferi, Master of Time
6.5%inclusion3 decks46 decks
2%synergy
Utility Lands
Mystic Sanctuary
52%inclusion24 decks46 decks
2%synergy
Reliquary Tower
50%inclusion23 decks46 decks
-6%synergy
Castle Vantress
41%inclusion19 decks46 decks
24%synergy
Minamo, School at Water's Edge
33%inclusion15 decks46 decks
19%synergy
Lonely Sandbar
33%inclusion15 decks46 decks
19%synergy
Otawara, Soaring City
30%inclusion14 decks46 decks
5%synergy
War Room
28%inclusion13 decks46 decks
13%synergy
Nykthos, Shrine to Nyx
22%inclusion10 decks46 decks
5%synergy
Rogue's Passage
17%inclusion8 decks46 decks
2%synergy
Academy Ruins
15%inclusion7 decks46 decks
-4%synergy
Seat of the Synod
13%inclusion6 decks46 decks
-6%synergy
Urza's Saga
13%inclusion6 decks46 decks
-4%synergy
Dark Depths
13%inclusion6 decks46 decks
12%synergy
Hall of Storm Giants
11%inclusion5 decks46 decks
9%synergy
Tyrite Sanctum
11%inclusion5 decks46 decks
9%synergy
Seafarer's Quay
11%inclusion5 decks46 decks
11%synergy
Agna Qel'a
9.1%inclusion2 decks22 decks
1%synergy
Thespian's Stage
8.7%inclusion4 decks46 decks
6%synergy
Great Hall of the Citadel
8.7%inclusion4 decks46 decks
9%synergy
Temple of the False God
8.7%inclusion4 decks46 decks
-1%synergy
Mistrise Village
7.7%inclusion3 decks39 decks
-1%synergy
Halimar Depths
6.5%inclusion3 decks46 decks
-3%synergy
The Surgical Bay
6.5%inclusion3 decks46 decks
5%synergy
Mana Artifacts
Sol Ring
74%inclusion34 decks46 decks
-11%synergy
Arcane Signet
48%inclusion22 decks46 decks
-17%synergy
Relic of Legends
46%inclusion21 decks46 decks
43%synergy
Patriar's Seal
37%inclusion17 decks46 decks
35%synergy
Thought Vessel
35%inclusion16 decks46 decks
-16%synergy
Crystal Skull, Isu Spyglass
33%inclusion15 decks46 decks
28%synergy
Midnight Clock
33%inclusion15 decks46 decks
13%synergy
Sky Diamond
20%inclusion9 decks46 decks
-2%synergy
Mox Amber
20%inclusion9 decks46 decks
12%synergy
Throne of Eldraine
17%inclusion8 decks46 decks
9%synergy
Mind Stone
17%inclusion8 decks46 decks
-17%synergy
Caged Sun
13%inclusion6 decks46 decks
3%synergy
Commander's Sphere
13%inclusion6 decks46 decks
5%synergy
The Irencrag
13%inclusion6 decks46 decks
12%synergy
Bender's Waterskin
12%inclusion3 decks26 decks
-1%synergy
Decanter of Endless Water
11%inclusion5 decks46 decks
-2%synergy
Nyx Lotus
11%inclusion5 decks46 decks
7%synergy
Thran Dynamo
8.7%inclusion4 decks46 decks
-4%synergy
Five Hundred Year Diary
6.5%inclusion3 decks46 decks
6%synergy
Springleaf Drum
6.5%inclusion3 decks46 decks
3%synergy
Mox Opal
6.5%inclusion3 decks46 decks
-3%synergy
Lands
Island
89%inclusion41 decks46 decks
-5%synergy
Myriad Landscape
28%inclusion13 decks46 decks
4%synergy
Plaza of Heroes
20%inclusion9 decks46 decks
19%synergy
The Grey Havens
17%inclusion8 decks46 decks
17%synergy
Snow-Covered Island
8.7%inclusion4 decks46 decks
1%synergy
Silundi Vision
6.5%inclusion3 decks46 decks
1%synergy
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