The Twelfth Doctor // K-9, Mark I (Commander) - Core

The Twelfth Doctor // K-9, Mark I
Rank #4,556
3decks
As CommanderThe Twelfth DoctorK-9, Mark IAverage DeckDecks
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Mike Carrozza
Jan 15, 2026
Mike Carrozza
Is Sanar, Innovative First-Year the New Prosper for Commander?
Is Sanar, Innovative First-Year a good replacement commander for when your playgroup gets sick of Prosper? Let's see what it can do.
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Utility Lands
Mana Artifacts
Lands
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Hex Magic
50%inclusion1 decks2 decks
46%synergy
Creatures
Party Thrasher
67%inclusion2 decks3 decks
65%synergy
Etali, Primal Storm
67%inclusion2 decks3 decks
62%synergy
The Reality Chip
67%inclusion2 decks3 decks
62%synergy
Nalfeshnee
67%inclusion2 decks3 decks
65%synergy
Laelia, the Blade Reforged
67%inclusion2 decks3 decks
66%synergy
Sanar, Innovative First-Year
50%inclusion1 decks2 decks
50%synergy
Prismari, the Inspiration
50%inclusion1 decks2 decks
42%synergy
Sanar, Unfinished Genius
50%inclusion1 decks2 decks
42%synergy
Melek, Izzet Paragon
33%inclusion1 decks3 decks
30%synergy
Errant, Street Artist
33%inclusion1 decks3 decks
33%synergy
Mizzix, Replica Rider
33%inclusion1 decks3 decks
32%synergy
Taigam, Master Opportunist
33%inclusion1 decks3 decks
32%synergy
Clara Oswald
33%inclusion1 decks3 decks
33%synergy
Young Pyromancer
33%inclusion1 decks3 decks
18%synergy
Alania, Divergent Storm
33%inclusion1 decks3 decks
29%synergy
Fblthp, Lost on the Range
33%inclusion1 decks3 decks
32%synergy
Goblin Electromancer
33%inclusion1 decks3 decks
6%synergy
Archmage Emeritus
33%inclusion1 decks3 decks
-1%synergy
Plargg and Nassari
33%inclusion1 decks3 decks
31%synergy
Eruth, Tormented Prophet
33%inclusion1 decks3 decks
33%synergy
Storm-Kiln Artist
33%inclusion1 decks3 decks
-6%synergy
Bohn, Beguiling Balladeer
33%inclusion1 decks3 decks
33%synergy
Ovika, Enigma Goliath
33%inclusion1 decks3 decks
28%synergy
Stormcatch Mentor
33%inclusion1 decks3 decks
11%synergy
Kami of Celebration
33%inclusion1 decks3 decks
33%synergy
Third Path Iconoclast
33%inclusion1 decks3 decks
18%synergy
The Emperor of Palamecia
33%inclusion1 decks3 decks
28%synergy
Instants
Brainstorm
67%inclusion2 decks3 decks
25%synergy
Think Twice
67%inclusion2 decks3 decks
62%synergy
Flashback
50%inclusion1 decks2 decks
34%synergy
See Double
33%inclusion1 decks3 decks
32%synergy
Frantic Search
33%inclusion1 decks3 decks
-8%synergy
Chaos Mutation
33%inclusion1 decks3 decks
32%synergy
An Offer You Can't Refuse
33%inclusion1 decks3 decks
-4%synergy
Untimely Malfunction
33%inclusion1 decks3 decks
25%synergy
Return the Favor
33%inclusion1 decks3 decks
26%synergy
Stubborn Denial
33%inclusion1 decks3 decks
31%synergy
Elminster's Simulacrum
33%inclusion1 decks3 decks
32%synergy
Brainsurge
33%inclusion1 decks3 decks
29%synergy
Surge of Brilliance
33%inclusion1 decks3 decks
33%synergy
Sublime Epiphany
33%inclusion1 decks3 decks
30%synergy
Demon Bolt
33%inclusion1 decks3 decks
33%synergy
Aetherize
33%inclusion1 decks3 decks
22%synergy
Guff Rewrites History
33%inclusion1 decks3 decks
32%synergy
Perplexing Test
33%inclusion1 decks3 decks
31%synergy
Wild Ricochet
33%inclusion1 decks3 decks
32%synergy
Saw It Coming
33%inclusion1 decks3 decks
32%synergy
Delay
33%inclusion1 decks3 decks
31%synergy
Delayed Blast Fireball
33%inclusion1 decks3 decks
30%synergy
Dual Strike
33%inclusion1 decks3 decks
33%synergy
Depart the Realm
33%inclusion1 decks3 decks
33%synergy
Deflecting Swat
33%inclusion1 decks3 decks
13%synergy
Expansion // Explosion
33%inclusion1 decks3 decks
28%synergy
Mission Briefing
33%inclusion1 decks3 decks
32%synergy
Galvanic Iteration
33%inclusion1 decks3 decks
25%synergy
Counterspell
33%inclusion1 decks3 decks
-18%synergy
Long-Term Plans
33%inclusion1 decks3 decks
32%synergy
Narset's Reversal
33%inclusion1 decks3 decks
25%synergy
Behold the Multiverse
33%inclusion1 decks3 decks
32%synergy
Desynchronization
33%inclusion1 decks3 decks
31%synergy
Pyroblast
33%inclusion1 decks3 decks
26%synergy
Divergent Transformations
33%inclusion1 decks3 decks
32%synergy
Bulk Up
33%inclusion1 decks3 decks
30%synergy
The Last Agni Kai
33%inclusion1 decks3 decks
32%synergy
Sorceries
Ponder
67%inclusion2 decks3 decks
30%synergy
Mizzix's Mastery
67%inclusion2 decks3 decks
48%synergy
Ember Island Production
50%inclusion1 decks2 decks
48%synergy
Improvisation Capstone
50%inclusion1 decks2 decks
41%synergy
Abstract Performance
50%inclusion1 decks2 decks
46%synergy
Rapturous Moment
50%inclusion1 decks2 decks
40%synergy
World at War
33%inclusion1 decks3 decks
32%synergy
Polymorph
33%inclusion1 decks3 decks
33%synergy
Call Forth the Tempest
33%inclusion1 decks3 decks
30%synergy
Portent of Calamity
33%inclusion1 decks3 decks
33%synergy
Replication Technique
33%inclusion1 decks3 decks
32%synergy
Inspiring Refrain
33%inclusion1 decks3 decks
32%synergy
Reality Strobe
33%inclusion1 decks3 decks
33%synergy
Rift Bolt
33%inclusion1 decks3 decks
33%synergy
Arc Blade
33%inclusion1 decks3 decks
33%synergy
Spelltwine
33%inclusion1 decks3 decks
32%synergy
Start the TARDIS
33%inclusion1 decks3 decks
33%synergy
Vandalblast
33%inclusion1 decks3 decks
8%synergy
Visions of Ruin
33%inclusion1 decks3 decks
33%synergy
Past in Flames
33%inclusion1 decks3 decks
22%synergy
Collision of Realms
33%inclusion1 decks3 decks
33%synergy
Reckless Charge
33%inclusion1 decks3 decks
32%synergy
Season of Weaving
33%inclusion1 decks3 decks
29%synergy
Transmogrify
33%inclusion1 decks3 decks
33%synergy
Rousing Refrain
33%inclusion1 decks3 decks
28%synergy
Curse of the Swine
33%inclusion1 decks3 decks
28%synergy
Mnemonic Deluge
33%inclusion1 decks3 decks
31%synergy
Deep Analysis
33%inclusion1 decks3 decks
27%synergy
Seize the Spoils
33%inclusion1 decks3 decks
26%synergy
Knowledge Exploitation
33%inclusion1 decks3 decks
33%synergy
Clone Legion
33%inclusion1 decks3 decks
31%synergy
Shivan Meteor
33%inclusion1 decks3 decks
33%synergy
Blasphemous Act
33%inclusion1 decks3 decks
-5%synergy
Hunted by The Family
33%inclusion1 decks3 decks
33%synergy
Dream Cache
33%inclusion1 decks3 decks
33%synergy
Merchant Scroll
33%inclusion1 decks3 decks
29%synergy
Let the Galaxy Burn
33%inclusion1 decks3 decks
33%synergy
Light Up the Stage
33%inclusion1 decks3 decks
30%synergy
Personal Tutor
33%inclusion1 decks3 decks
29%synergy
Ancestral Vision
33%inclusion1 decks3 decks
32%synergy
Talent of the Telepath
33%inclusion1 decks3 decks
33%synergy
Hit the Mother Lode
33%inclusion1 decks3 decks
29%synergy
Plan the Heist
33%inclusion1 decks3 decks
33%synergy
Sorcerous Squall
33%inclusion1 decks3 decks
33%synergy
Preordain
33%inclusion1 decks3 decks
0%synergy
Creative Technique
33%inclusion1 decks3 decks
31%synergy
Expressive Iteration
33%inclusion1 decks3 decks
10%synergy
Aminatou's Augury
33%inclusion1 decks3 decks
30%synergy
Ravenform
33%inclusion1 decks3 decks
31%synergy
Void Squall
33%inclusion1 decks3 decks
33%synergy
Utility Artifacts
Chimil, the Inner Sun
67%inclusion2 decks3 decks
64%synergy
Swiftfoot Boots
67%inclusion2 decks3 decks
38%synergy
Twinning Staff
33%inclusion1 decks3 decks
30%synergy
Wand of Wonder
33%inclusion1 decks3 decks
30%synergy
TARDIS
33%inclusion1 decks3 decks
33%synergy
Proteus Staff
33%inclusion1 decks3 decks
33%synergy
Key to the City
33%inclusion1 decks3 decks
31%synergy
Mask of Avacyn
33%inclusion1 decks3 decks
33%synergy
Champion's Helm
33%inclusion1 decks3 decks
32%synergy
Sword of Forge and Frontier
33%inclusion1 decks3 decks
33%synergy
Lightning Greaves
33%inclusion1 decks3 decks
8%synergy
Knowledge Pool
33%inclusion1 decks3 decks
33%synergy
Enchantments
Possibility Storm
100%inclusion3 decks3 decks
98%synergy
Fortune Teller's Talent
33%inclusion1 decks3 decks
32%synergy
Drake Umbra
33%inclusion1 decks3 decks
33%synergy
Aqueous Form
33%inclusion1 decks3 decks
31%synergy
Imprisoned in the Moon
33%inclusion1 decks3 decks
31%synergy
Wild Wasteland
33%inclusion1 decks3 decks
33%synergy
Eel Umbra
33%inclusion1 decks3 decks
33%synergy
Mirrormade
33%inclusion1 decks3 decks
32%synergy
Tavern Brawler
33%inclusion1 decks3 decks
33%synergy
Crab Umbra
33%inclusion1 decks3 decks
33%synergy
Precognition Field
33%inclusion1 decks3 decks
33%synergy
Charred Foyer // Warped Space
33%inclusion1 decks3 decks
33%synergy
Amphibian Downpour
33%inclusion1 decks3 decks
30%synergy
Share the Spoils
33%inclusion1 decks3 decks
32%synergy
Thousand-Year Storm
33%inclusion1 decks3 decks
17%synergy
Outpost Siege
33%inclusion1 decks3 decks
33%synergy
Spider-Verse
33%inclusion1 decks3 decks
33%synergy
Spider-Man No More
33%inclusion1 decks3 decks
33%synergy
Planeswalkers
Chandra, Torch of Defiance
33%inclusion1 decks3 decks
32%synergy
Jace Reawakened
33%inclusion1 decks3 decks
33%synergy
Utility Lands
Hidden Cataract
67%inclusion2 decks3 decks
66%synergy
Hidden Volcano
67%inclusion2 decks3 decks
66%synergy
Mistrise Village
33%inclusion1 decks3 decks
18%synergy
Cori Mountain Monastery
33%inclusion1 decks3 decks
31%synergy
Spinerock Knoll
33%inclusion1 decks3 decks
31%synergy
Otawara, Soaring City
33%inclusion1 decks3 decks
15%synergy
Rogue's Passage
33%inclusion1 decks3 decks
20%synergy
Field of Ruin
33%inclusion1 decks3 decks
32%synergy
Mana Artifacts
Arcane Signet
67%inclusion2 decks3 decks
-15%synergy
Izzet Signet
67%inclusion2 decks3 decks
11%synergy
Sol Ring
67%inclusion2 decks3 decks
-20%synergy
Thought Vessel
67%inclusion2 decks3 decks
31%synergy
Resonating Lute
50%inclusion1 decks2 decks
26%synergy
Tablet of Discovery
50%inclusion1 decks2 decks
41%synergy
Lotus Bloom
33%inclusion1 decks3 decks
32%synergy
Talisman of Creativity
33%inclusion1 decks3 decks
-20%synergy
Sky Diamond
33%inclusion1 decks3 decks
26%synergy
Sol Talisman
33%inclusion1 decks3 decks
32%synergy
Fellwar Stone
33%inclusion1 decks3 decks
1%synergy
Fire Diamond
33%inclusion1 decks3 decks
26%synergy
Mind Stone
33%inclusion1 decks3 decks
11%synergy
Mox Tantalite
33%inclusion1 decks3 decks
33%synergy
Prismatic Lens
33%inclusion1 decks3 decks
31%synergy
Lands
Island
100%inclusion3 decks3 decks
2%synergy
Fiery Islet
67%inclusion2 decks3 decks
41%synergy
Command Tower
67%inclusion2 decks3 decks
-20%synergy
Shivan Reef
67%inclusion2 decks3 decks
7%synergy
Stormcarved Coast
67%inclusion2 decks3 decks
23%synergy
Sulfur Falls
67%inclusion2 decks3 decks
-0%synergy
Frostboil Snarl
67%inclusion2 decks3 decks
22%synergy
Mountain
67%inclusion2 decks3 decks
-31%synergy
Turbulent Springs
50%inclusion1 decks2 decks
32%synergy
Scorched Geyser
50%inclusion1 decks2 decks
31%synergy
Steam Vents
33%inclusion1 decks3 decks
-17%synergy
Terramorphic Expanse
33%inclusion1 decks3 decks
21%synergy
Izzet Boilerworks
33%inclusion1 decks3 decks
-2%synergy
Exotic Orchard
33%inclusion1 decks3 decks
-1%synergy
Riverglide Pathway
33%inclusion1 decks3 decks
10%synergy
Riverpyre Verge
33%inclusion1 decks3 decks
11%synergy
Ferrous Lake
33%inclusion1 decks3 decks
8%synergy
Thriving Isle
33%inclusion1 decks3 decks
30%synergy
Temple of Epiphany
33%inclusion1 decks3 decks
-5%synergy
Evolving Wilds
33%inclusion1 decks3 decks
17%synergy
Volcanic Island
33%inclusion1 decks3 decks
18%synergy
Scalding Tarn
33%inclusion1 decks3 decks
2%synergy
Training Center
33%inclusion1 decks3 decks
-9%synergy
Spirebluff Canal
33%inclusion1 decks3 decks
19%synergy
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