Joshua Rosfield // Silas Renn, Seeker Adept (Commander) - Polymorph

Joshua Rosfield // Silas Renn, Seeker Adept
Rank #296
23decks
As CommanderJoshua RosfieldSilas Renn, Seeker AdeptAverage DeckDecks
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Harvey McGuinness
Jun 30, 2026
Harvey McGuinness
A cEDH Guide to Rograkh, Son of Rohgahh
Why is Rograkh, Son of Rohgahh cEDH's most broken commander? A look at how a free 0/1 Kobold unlocks the format's best cards and partners.
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Moxfield
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Top Cards
Game Changers
Creatures
Instants
Sorceries
Utility Artifacts
Enchantments
Planeswalkers
Utility Lands
Mana Artifacts
Lands
Back to Top
Transmogrify
100%inclusion23 decks23 decks
100%synergy
Polymorph
100%inclusion23 decks23 decks
100%synergy
Reality Scramble
100%inclusion23 decks23 decks
100%synergy
Divergent Transformations
87%inclusion20 decks23 decks
87%synergy
Chaos Mutation
74%inclusion17 decks23 decks
73%synergy
Lukka, Coppercoat Outcast
57%inclusion13 decks23 decks
56%synergy
Rite of Flame
61%inclusion14 decks23 decks
55%synergy
Chaotic Transformation
48%inclusion11 decks23 decks
48%synergy
Animate Dead
57%inclusion13 decks23 decks
47%synergy
Mystic Remora
61%inclusion14 decks23 decks
45%synergy
Top Cards
Dark Ritual
74%inclusion17 decks23 decks
35%synergy
Reanimate
61%inclusion14 decks23 decks
35%synergy
An Offer You Can't Refuse
57%inclusion13 decks23 decks
25%synergy
Snap
48%inclusion11 decks23 decks
38%synergy
Dispel
48%inclusion11 decks23 decks
45%synergy
Pact of Negation
48%inclusion11 decks23 decks
40%synergy
Swan Song
48%inclusion11 decks23 decks
28%synergy
Chain of Vapor
43%inclusion10 decks23 decks
38%synergy
Mental Misstep
43%inclusion10 decks23 decks
37%synergy
Diabolic Intent
43%inclusion10 decks23 decks
36%synergy
Game Changers
Mystical Tutor
57%inclusion13 decks23 decks
43%synergy
Demonic Tutor
52%inclusion12 decks23 decks
31%synergy
Chrome Mox
52%inclusion12 decks23 decks
44%synergy
Ancient Tomb
52%inclusion12 decks23 decks
40%synergy
Rhystic Study
48%inclusion11 decks23 decks
25%synergy
Mana Vault
48%inclusion11 decks23 decks
39%synergy
Gamble
48%inclusion11 decks23 decks
38%synergy
Fierce Guardianship
48%inclusion11 decks23 decks
29%synergy
Jeska's Will
48%inclusion11 decks23 decks
32%synergy
Force of Will
43%inclusion10 decks23 decks
33%synergy
Creatures
Prismari, the Inspiration
100%inclusion1 decks1 decks
98%synergy
Shefet Archfiend
67%inclusion2 decks3 decks
67%synergy
Jin-Gitaxias, Core Augur
30%inclusion7 decks23 decks
29%synergy
Sire of Insanity
26%inclusion6 decks23 decks
26%synergy
Hullbreaker Horror
26%inclusion6 decks23 decks
21%synergy
Hoarding Broodlord
22%inclusion5 decks23 decks
20%synergy
Nezahal, Primal Tide
22%inclusion5 decks23 decks
21%synergy
Valgavoth, Terror Eater
22%inclusion5 decks23 decks
19%synergy
Arbiter of Woe
17%inclusion2 decks12 decks
17%synergy
Tidespout Tyrant
13%inclusion3 decks23 decks
13%synergy
Niv-Mizzet, Parun
13%inclusion3 decks23 decks
8%synergy
Void Winnower
13%inclusion3 decks23 decks
13%synergy
Vilis, Broker of Blood
13%inclusion3 decks23 decks
11%synergy
Archon of Cruelty
13%inclusion3 decks23 decks
10%synergy
Toxrill, the Corrosive
13%inclusion3 decks23 decks
12%synergy
Kaervek the Merciless
13%inclusion3 decks23 decks
12%synergy
Jin-Gitaxias, Progress Tyrant
13%inclusion3 decks23 decks
12%synergy
Artisan of Kozilek
8.7%inclusion2 decks23 decks
9%synergy
Vile Mutilator
8.7%inclusion2 decks23 decks
8%synergy
Gyruda, Doom of Depths
8.7%inclusion2 decks23 decks
7%synergy
Ulamog's Dreadsire
8.7%inclusion2 decks23 decks
9%synergy
Avatar of Slaughter
8.7%inclusion2 decks23 decks
9%synergy
Defiler of Souls
8.7%inclusion2 decks23 decks
9%synergy
Waker of Waves
8.7%inclusion2 decks23 decks
9%synergy
Pathrazer of Ulamog
8.7%inclusion2 decks23 decks
9%synergy
Tyrant's Familiar
8.7%inclusion2 decks23 decks
9%synergy
Dusk Mangler
8.7%inclusion2 decks23 decks
9%synergy
Havoc Eater
8.7%inclusion2 decks23 decks
9%synergy
Breaker of Creation
8.7%inclusion2 decks23 decks
9%synergy
Sheoldred, Whispering One
8.7%inclusion2 decks23 decks
5%synergy
Massacre Wurm
8.7%inclusion2 decks23 decks
7%synergy
Fireflux Squad
8.7%inclusion2 decks23 decks
9%synergy
Magmatic Force
8.7%inclusion2 decks23 decks
8%synergy
Instants
Flashback
100%inclusion1 decks1 decks
94%synergy
Cabal Ritual
43%inclusion10 decks23 decks
33%synergy
Flusterstorm
43%inclusion10 decks23 decks
35%synergy
Vampiric Tutor
43%inclusion10 decks23 decks
28%synergy
Desperate Ritual
35%inclusion8 decks23 decks
31%synergy
Reweave
35%inclusion8 decks23 decks
35%synergy
Pyretic Ritual
35%inclusion8 decks23 decks
31%synergy
Force of Negation
35%inclusion8 decks23 decks
27%synergy
Deflecting Swat
35%inclusion8 decks23 decks
15%synergy
Red Elemental Blast
35%inclusion8 decks23 decks
29%synergy
Borne Upon a Wind
35%inclusion8 decks23 decks
25%synergy
Entomb
30%inclusion7 decks23 decks
25%synergy
Brainstorm
30%inclusion7 decks23 decks
14%synergy
Brain Freeze
30%inclusion7 decks23 decks
23%synergy
Culling the Weak
30%inclusion7 decks23 decks
25%synergy
Final Fortune
30%inclusion7 decks23 decks
25%synergy
Flare of Duplication
30%inclusion7 decks23 decks
27%synergy
Frantic Search
26%inclusion6 decks23 decks
4%synergy
Tainted Pact
26%inclusion6 decks23 decks
20%synergy
Mindbreak Trap
26%inclusion6 decks23 decks
21%synergy
Consider
26%inclusion6 decks23 decks
20%synergy
Seething Song
26%inclusion6 decks23 decks
19%synergy
Ad Nauseam
26%inclusion6 decks23 decks
21%synergy
Counterspell
26%inclusion6 decks23 decks
-18%synergy
Spell Pierce
26%inclusion6 decks23 decks
23%synergy
Deadly Rollick
22%inclusion5 decks23 decks
4%synergy
Chaos Warp
22%inclusion5 decks23 decks
-13%synergy
Negate
22%inclusion5 decks23 decks
-0%synergy
Opt
22%inclusion5 decks23 decks
16%synergy
Resculpt
22%inclusion5 decks23 decks
20%synergy
Burnt Offering
22%inclusion5 decks23 decks
19%synergy
Cyclonic Rift
22%inclusion5 decks23 decks
2%synergy
Saw in Half
22%inclusion5 decks23 decks
16%synergy
Rapid Hybridization
17%inclusion4 decks23 decks
14%synergy
Lightning Bolt
17%inclusion4 decks23 decks
7%synergy
Terminate
17%inclusion4 decks23 decks
-9%synergy
Daze
17%inclusion4 decks23 decks
15%synergy
Strix Serenade
17%inclusion4 decks23 decks
15%synergy
Into the Flood Maw
17%inclusion4 decks23 decks
13%synergy
Demonic Consultation
17%inclusion4 decks23 decks
10%synergy
Miscast
17%inclusion4 decks23 decks
16%synergy
Waterlogged Teachings
17%inclusion4 decks23 decks
11%synergy
Pyroblast
17%inclusion4 decks23 decks
12%synergy
Pongify
13%inclusion3 decks23 decks
7%synergy
Sacrifice
13%inclusion3 decks23 decks
12%synergy
Fatal Push
13%inclusion3 decks23 decks
12%synergy
Synthetic Destiny
13%inclusion3 decks23 decks
13%synergy
Mana Drain
13%inclusion3 decks23 decks
-3%synergy
Delay
13%inclusion3 decks23 decks
12%synergy
Arcane Denial
13%inclusion3 decks23 decks
-16%synergy
Sorceries
Flow State
100%inclusion1 decks1 decks
99%synergy
Windfall
39%inclusion9 decks23 decks
16%synergy
Faithless Looting
39%inclusion9 decks23 decks
19%synergy
Wheel of Fortune
35%inclusion8 decks23 decks
25%synergy
Beseech the Mirror
35%inclusion8 decks23 decks
30%synergy
Unmarked Grave
30%inclusion7 decks23 decks
29%synergy
Imperial Seal
30%inclusion7 decks23 decks
24%synergy
Gitaxian Probe
30%inclusion7 decks23 decks
25%synergy
Persist
30%inclusion7 decks23 decks
27%synergy
Praetor's Grasp
30%inclusion7 decks23 decks
26%synergy
Mass Polymorph
30%inclusion7 decks23 decks
30%synergy
Solve the Equation
30%inclusion7 decks23 decks
28%synergy
Vandalblast
26%inclusion6 decks23 decks
9%synergy
Preordain
26%inclusion6 decks23 decks
20%synergy
Toxic Deluge
26%inclusion6 decks23 decks
5%synergy
Ponder
22%inclusion5 decks23 decks
13%synergy
Cathartic Reunion
22%inclusion5 decks23 decks
20%synergy
Blasphemous Act
22%inclusion5 decks23 decks
-23%synergy
Personal Tutor
22%inclusion5 decks23 decks
21%synergy
Peer into the Abyss
17%inclusion4 decks23 decks
12%synergy
Yawgmoth's Will
17%inclusion4 decks23 decks
14%synergy
Overmaster
17%inclusion4 decks23 decks
17%synergy
Timetwister
17%inclusion4 decks23 decks
15%synergy
Indomitable Creativity
17%inclusion4 decks23 decks
17%synergy
Infernal Plunge
13%inclusion3 decks23 decks
11%synergy
Wheel of Misfortune
13%inclusion3 decks23 decks
9%synergy
Victimize
13%inclusion3 decks23 decks
4%synergy
Profane Tutor
13%inclusion3 decks23 decks
9%synergy
Last Chance
13%inclusion3 decks23 decks
10%synergy
Serum Visions
13%inclusion3 decks23 decks
12%synergy
Warrior's Oath
13%inclusion3 decks23 decks
11%synergy
Treasure Cruise
13%inclusion3 decks23 decks
10%synergy
Lórien Revealed
13%inclusion3 decks23 decks
11%synergy
Tendrils of Agony
13%inclusion3 decks23 decks
12%synergy
Merchant Scroll
13%inclusion3 decks23 decks
13%synergy
Mnemonic Betrayal
13%inclusion3 decks23 decks
9%synergy
Strike It Rich
13%inclusion3 decks23 decks
11%synergy
Grim Tutor
13%inclusion3 decks23 decks
9%synergy
Exhume
13%inclusion3 decks23 decks
12%synergy
Witch's Mark
8.7%inclusion2 decks23 decks
9%synergy
Breaking // Entering
8.7%inclusion2 decks23 decks
8%synergy
Hard Evidence
8.7%inclusion2 decks23 decks
9%synergy
Start the TARDIS
8.7%inclusion2 decks23 decks
9%synergy
Dread Return
8.7%inclusion2 decks23 decks
6%synergy
Tome Scour
8.7%inclusion2 decks23 decks
9%synergy
Sea Gate Restoration
8.7%inclusion2 decks23 decks
7%synergy
Glimpse the Unthinkable
8.7%inclusion2 decks23 decks
8%synergy
Feed the Swarm
8.7%inclusion2 decks23 decks
-19%synergy
Dark Petition
8.7%inclusion2 decks23 decks
8%synergy
Whispering Madness
8.7%inclusion2 decks23 decks
2%synergy
Utility Artifacts
Pumpkin Bombs
67%inclusion2 decks3 decks
65%synergy
Proteus Staff
43%inclusion10 decks23 decks
43%synergy
Wishclaw Talisman
30%inclusion7 decks23 decks
22%synergy
Defense Grid
26%inclusion6 decks23 decks
23%synergy
The One Ring
22%inclusion5 decks23 decks
9%synergy
Sensei's Divining Top
13%inclusion3 decks23 decks
10%synergy
Bolas's Citadel
13%inclusion3 decks23 decks
8%synergy
Conqueror's Flail
8.7%inclusion2 decks23 decks
8%synergy
Imposter Mech
8.7%inclusion2 decks23 decks
6%synergy
Enchantments
Kickoff Celebrations
67%inclusion2 decks3 decks
67%synergy
Underworld Breach
39%inclusion9 decks23 decks
28%synergy
Necromancy
26%inclusion6 decks23 decks
23%synergy
Black Market Connections
17%inclusion4 decks23 decks
4%synergy
Bitter Reunion
13%inclusion3 decks23 decks
12%synergy
Necrodominance
13%inclusion3 decks23 decks
11%synergy
Phyrexian Arena
13%inclusion3 decks23 decks
4%synergy
Dance of the Dead
8.7%inclusion2 decks23 decks
7%synergy
Shifting Shadow
8.7%inclusion2 decks23 decks
8%synergy
Necropotence
8.7%inclusion2 decks23 decks
3%synergy
Leyline of Anticipation
8.7%inclusion2 decks23 decks
3%synergy
Guild Artisan
8.7%inclusion2 decks23 decks
8%synergy
Fable of the Mirror-Breaker
8.7%inclusion2 decks23 decks
7%synergy
Diabolic Servitude
8.7%inclusion2 decks23 decks
9%synergy
Bitterblossom
8.7%inclusion2 decks23 decks
8%synergy
Planeswalkers
Tezzeret, Cruel Captain
50%inclusion1 decks2 decks
49%synergy
Jace, Wielder of Mysteries
17%inclusion4 decks23 decks
16%synergy
Narset, Parter of Veils
17%inclusion4 decks23 decks
15%synergy
Daretti, Scrap Savant
8.7%inclusion2 decks23 decks
7%synergy
Utility Lands
Crystal Vein
35%inclusion8 decks23 decks
34%synergy
Otawara, Soaring City
35%inclusion8 decks23 decks
19%synergy
Phyrexian Tower
30%inclusion7 decks23 decks
25%synergy
City of Traitors
26%inclusion6 decks23 decks
22%synergy
Urza's Saga
22%inclusion5 decks23 decks
16%synergy
Bojuka Bog
17%inclusion4 decks23 decks
-7%synergy
Kher Keep
17%inclusion4 decks23 decks
17%synergy
Urborg, Tomb of Yawgmoth
17%inclusion4 decks23 decks
4%synergy
Mystic Sanctuary
13%inclusion3 decks23 decks
9%synergy
Minamo, School at Water's Edge
8.7%inclusion2 decks23 decks
7%synergy
Buried Ruin
8.7%inclusion2 decks23 decks
5%synergy
Scavenger Grounds
8.7%inclusion2 decks23 decks
7%synergy
Spinerock Knoll
8.7%inclusion2 decks23 decks
8%synergy
Emergence Zone
8.7%inclusion2 decks23 decks
5%synergy
Mana Artifacts
Sol Ring
87%inclusion20 decks23 decks
-3%synergy
Talisman of Creativity
83%inclusion19 decks23 decks
38%synergy
Arcane Signet
78%inclusion18 decks23 decks
-10%synergy
Talisman of Dominance
78%inclusion18 decks23 decks
28%synergy
Talisman of Indulgence
74%inclusion17 decks23 decks
29%synergy
Lotus Petal
57%inclusion13 decks23 decks
46%synergy
Mox Amber
52%inclusion12 decks23 decks
46%synergy
Fellwar Stone
52%inclusion12 decks23 decks
17%synergy
Springleaf Drum
43%inclusion10 decks23 decks
41%synergy
Mox Opal
43%inclusion10 decks23 decks
36%synergy
Mox Diamond
43%inclusion10 decks23 decks
37%synergy
Rakdos Signet
39%inclusion9 decks23 decks
8%synergy
Paradise Mantle
39%inclusion9 decks23 decks
37%synergy
Izzet Signet
35%inclusion8 decks23 decks
4%synergy
Dimir Signet
35%inclusion8 decks23 decks
2%synergy
Grim Monolith
26%inclusion6 decks23 decks
22%synergy
Mind Stone
22%inclusion5 decks23 decks
9%synergy
Lion's Eye Diamond
22%inclusion5 decks23 decks
16%synergy
Cursed Mirror
17%inclusion4 decks23 decks
12%synergy
Moonsnare Prototype
17%inclusion4 decks23 decks
17%synergy
Commander's Sphere
13%inclusion3 decks23 decks
-4%synergy
Mana Crypt
13%inclusion3 decks23 decks
13%synergy
Lands
Command Tower
96%inclusion22 decks23 decks
4%synergy
Steam Vents
70%inclusion16 decks23 decks
24%synergy
Scalding Tarn
70%inclusion16 decks23 decks
37%synergy
Bloodstained Mire
70%inclusion16 decks23 decks
34%synergy
Watery Grave
70%inclusion16 decks23 decks
21%synergy
Blood Crypt
65%inclusion15 decks23 decks
19%synergy
Swamp
65%inclusion15 decks23 decks
-27%synergy
Mountain
65%inclusion15 decks23 decks
-26%synergy
Island
65%inclusion15 decks23 decks
-28%synergy
Polluted Delta
65%inclusion15 decks23 decks
30%synergy
Mana Confluence
57%inclusion13 decks23 decks
45%synergy
City of Brass
57%inclusion13 decks23 decks
43%synergy
Misty Rainforest
48%inclusion11 decks23 decks
38%synergy
Luxury Suite
48%inclusion11 decks23 decks
15%synergy
Morphic Pool
48%inclusion11 decks23 decks
17%synergy
Flooded Strand
48%inclusion11 decks23 decks
37%synergy
Exotic Orchard
43%inclusion10 decks23 decks
-14%synergy
Verdant Catacombs
43%inclusion10 decks23 decks
34%synergy
Arid Mesa
43%inclusion10 decks23 decks
34%synergy
Marsh Flats
43%inclusion10 decks23 decks
34%synergy
Training Center
43%inclusion10 decks23 decks
12%synergy
Badlands
39%inclusion9 decks23 decks
24%synergy
Underground Sea
39%inclusion9 decks23 decks
24%synergy
Wooded Foothills
39%inclusion9 decks23 decks
31%synergy
Gemstone Caverns
39%inclusion9 decks23 decks
31%synergy
Volcanic Island
39%inclusion9 decks23 decks
24%synergy
Sulfur Falls
35%inclusion8 decks23 decks
-13%synergy
Xander's Lounge
35%inclusion8 decks23 decks
-4%synergy
Riverpyre Verge
33%inclusion1 decks3 decks
26%synergy
Starting Town
33%inclusion1 decks3 decks
28%synergy
Shivan Reef
26%inclusion6 decks23 decks
-4%synergy
Underground River
26%inclusion6 decks23 decks
-2%synergy
Raucous Theater
22%inclusion5 decks23 decks
11%synergy
Crumbling Necropolis
22%inclusion5 decks23 decks
-30%synergy
Drowned Catacomb
22%inclusion5 decks23 decks
-22%synergy
Mount Doom
22%inclusion5 decks23 decks
15%synergy
Sunken Hollow
22%inclusion5 decks23 decks
-18%synergy
Thundering Falls
22%inclusion5 decks23 decks
11%synergy
Clearwater Pathway
17%inclusion4 decks23 decks
11%synergy
Spire of Industry
17%inclusion4 decks23 decks
13%synergy
Waterlogged Teachings
17%inclusion4 decks23 decks
11%synergy
Sulfurous Springs
17%inclusion4 decks23 decks
-11%synergy
Tainted Isle
13%inclusion3 decks23 decks
9%synergy
Undercity Sewers
13%inclusion3 decks23 decks
0%synergy
Seething Landscape
13%inclusion3 decks23 decks
-2%synergy
Temple of Deceit
13%inclusion3 decks23 decks
1%synergy
Riverglide Pathway
13%inclusion3 decks23 decks
7%synergy
Temple of Malice
13%inclusion3 decks23 decks
2%synergy
Sink into Stupor
13%inclusion3 decks23 decks
3%synergy
Forbidden Orchard
13%inclusion3 decks23 decks
11%synergy
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