Silas Renn, Seeker Adept // Slurrk, All-Ingesting (Commander)

Harvey McGuinness
Mar 11, 2026
Building RogSi (Rograkh and Silas Renn) for cEDH
Want to see what's under the hood of one of the best cEDH decks? Then check out this deck tech for RogSi (Rograkh and Silas Renn).
Deck Filters
Archidekt
Commander Spellbook
Moxfield
Scryfall
MTGStocks
Kinetic Ooze
33%inclusion1 decks3 decks
32%synergy
High Synergy Cards
Oran-Rief Ooze
64%inclusion14 decks22 decks
63%synergy
Aeve, Progenitor Ooze
55%inclusion12 decks22 decks
54%synergy
Uchuulon
55%inclusion12 decks22 decks
54%synergy
Biogenic Ooze
55%inclusion12 decks22 decks
54%synergy
Biowaste Blob
55%inclusion12 decks22 decks
54%synergy
Predator Ooze
55%inclusion12 decks22 decks
53%synergy
Ravenous Slime
50%inclusion11 decks22 decks
49%synergy
Necrotic Ooze
50%inclusion11 decks22 decks
48%synergy
Scavenging Ooze
50%inclusion11 decks22 decks
48%synergy
Acidic Slime
50%inclusion11 decks22 decks
47%synergy
Top Cards
Experiment Kraj
45%inclusion10 decks22 decks
45%synergy
Doubling Season
41%inclusion9 decks22 decks
34%synergy
Ochre Jelly
41%inclusion9 decks22 decks
39%synergy
Umori, the Collector
41%inclusion9 decks22 decks
40%synergy
Rampant Growth
41%inclusion9 decks22 decks
4%synergy
Slime Against Humanity
41%inclusion9 decks22 decks
40%synergy
March of the World Ooze
40%inclusion6 decks15 decks
39%synergy
Mephitic Ooze
36%inclusion8 decks22 decks
36%synergy
The Mimeoplasm
36%inclusion8 decks22 decks
34%synergy
Cultivate
36%inclusion8 decks22 decks
-5%synergy
Game Changers
Rhystic Study
14%inclusion3 decks22 decks
-6%synergy
Demonic Tutor
9.1%inclusion2 decks22 decks
-7%synergy
Gifts Ungiven
9.1%inclusion2 decks22 decks
6%synergy
Cyclonic Rift
9.1%inclusion2 decks22 decks
-10%synergy
Creatures
Mutagen Man, Living Ooze
50%inclusion3 decks6 decks
50%synergy
Green Slime
32%inclusion7 decks22 decks
31%synergy
Gelatinous Cube
32%inclusion7 decks22 decks
31%synergy
Experiment One
32%inclusion7 decks22 decks
31%synergy
Corrosive Ooze
32%inclusion7 decks22 decks
32%synergy
Chomping Changeling
29%inclusion2 decks7 decks
23%synergy
Temperamental Oozewagg
27%inclusion6 decks22 decks
27%synergy
Mitotic Slime
27%inclusion6 decks22 decks
27%synergy
Ancient Ooze
27%inclusion6 decks22 decks
27%synergy
Mimeoplasm, Revered One
27%inclusion4 decks15 decks
26%synergy
Terrian, World Tyrant
27%inclusion4 decks15 decks
26%synergy
Ooze Patrol
27%inclusion4 decks15 decks
26%synergy
Expanding Ooze
23%inclusion5 decks22 decks
22%synergy
Inexorable Blob
23%inclusion5 decks22 decks
22%synergy
Splitting Slime
23%inclusion5 decks22 decks
22%synergy
Putrid Pals
20%inclusion1 decks5 decks
20%synergy
Consuming Blob
18%inclusion4 decks22 decks
18%synergy
Consumptive Goo
18%inclusion4 decks22 decks
18%synergy
Necroplasm
18%inclusion4 decks22 decks
18%synergy
Slogurk, the Overslime
18%inclusion4 decks22 decks
17%synergy
Hecteyes
18%inclusion2 decks11 decks
18%synergy
Manaplasm
18%inclusion4 decks22 decks
18%synergy
Felix Five-Boots
18%inclusion4 decks22 decks
11%synergy
Corpsejack Menace
18%inclusion4 decks22 decks
8%synergy
Kami of Whispered Hopes
18%inclusion4 decks22 decks
11%synergy
Changeling Wayfinder
17%inclusion1 decks6 decks
15%synergy
Rooftop Percher
14%inclusion1 decks7 decks
14%synergy
Omni-Changeling
14%inclusion1 decks7 decks
13%synergy
Solemn Simulacrum
14%inclusion3 decks22 decks
7%synergy
Selvala, Heart of the Wilds
14%inclusion3 decks22 decks
10%synergy
Hagra Constrictor
14%inclusion3 decks22 decks
13%synergy
Printlifter Ooze
14%inclusion3 decks22 decks
12%synergy
Gluttonous Slime
14%inclusion3 decks22 decks
13%synergy
Gobbling Ooze
14%inclusion3 decks22 decks
14%synergy
Steel Overseer
14%inclusion3 decks22 decks
14%synergy
Llanowar Elves
14%inclusion3 decks22 decks
-2%synergy
Prime Speaker Vannifar
14%inclusion3 decks22 decks
13%synergy
Birds of Paradise
14%inclusion3 decks22 decks
-16%synergy
Stalwart Successor
13%inclusion2 decks15 decks
13%synergy
Mutable Explorer
13%inclusion1 decks8 decks
11%synergy
Surge Conductor
10%inclusion1 decks10 decks
10%synergy
Steelswarm Operator
10%inclusion1 decks10 decks
10%synergy
Selfcraft Mechan
10%inclusion1 decks10 decks
10%synergy
Patchwork Automaton
9.1%inclusion2 decks22 decks
9%synergy
Scrap Trawler
9.1%inclusion2 decks22 decks
9%synergy
Myr Scrapling
9.1%inclusion2 decks22 decks
9%synergy
Fertilid
9.1%inclusion2 decks22 decks
8%synergy
Adrix and Nev, Twincasters
9.1%inclusion2 decks22 decks
7%synergy
Syr Ginger, the Meal Ender
9.1%inclusion2 decks22 decks
9%synergy
Fain, the Broker
9.1%inclusion2 decks22 decks
9%synergy
Instants
Counterspell
36%inclusion8 decks22 decks
1%synergy
Inspiring Call
32%inclusion7 decks22 decks
21%synergy
Mystic Genesis
27%inclusion6 decks22 decks
27%synergy
Voidslime
27%inclusion6 decks22 decks
25%synergy
Ooze Spill
20%inclusion1 decks5 decks
20%synergy
Assassin's Trophy
18%inclusion4 decks22 decks
-18%synergy
Origin of Metalbending
14%inclusion1 decks7 decks
14%synergy
Deadly Rollick
14%inclusion3 decks22 decks
-1%synergy
Heroic Intervention
14%inclusion3 decks22 decks
-8%synergy
Dark Ritual
14%inclusion3 decks22 decks
0%synergy
Growth Spiral
14%inclusion3 decks22 decks
-3%synergy
Maximum Overdrive
13%inclusion2 decks15 decks
13%synergy
Archenemy's Charm
10%inclusion1 decks10 decks
9%synergy
Snakeskin Veil
9.1%inclusion2 decks22 decks
4%synergy
Entomb
9.1%inclusion2 decks22 decks
1%synergy
Signature Slam
9.1%inclusion2 decks22 decks
9%synergy
Repulsive Mutation
9.1%inclusion2 decks22 decks
4%synergy
Silkguard
9.1%inclusion2 decks22 decks
8%synergy
Mana Drain
9.1%inclusion2 decks22 decks
-3%synergy
Bioshift
9.1%inclusion2 decks22 decks
9%synergy
Beast Within
9.1%inclusion2 decks22 decks
-18%synergy
Revitalizing Repast
9.1%inclusion2 decks22 decks
1%synergy
Collective Resistance
9.1%inclusion2 decks22 decks
8%synergy
Run Over
6.7%inclusion1 decks15 decks
7%synergy
Defend the Rider
6.7%inclusion1 decks15 decks
6%synergy
Bounce Off
6.7%inclusion1 decks15 decks
7%synergy
Refute
6.3%inclusion1 decks16 decks
5%synergy
Sorceries
Kodama's Reach
32%inclusion7 decks22 decks
9%synergy
Farseek
32%inclusion7 decks22 decks
-14%synergy
Convert to Slime
24%inclusion4 decks17 decks
23%synergy
Three Visits
18%inclusion4 decks22 decks
-6%synergy
Miming Slime
18%inclusion4 decks22 decks
18%synergy
Bloodline Bidding
14%inclusion1 decks7 decks
11%synergy
Fabricate
14%inclusion3 decks22 decks
13%synergy
Slime Molding
14%inclusion3 decks22 decks
13%synergy
Nature's Lore
14%inclusion3 decks22 decks
-15%synergy
Scale the Heights
9.1%inclusion2 decks22 decks
9%synergy
Diabolic Tutor
9.1%inclusion2 decks22 decks
6%synergy
Gelatinous Genesis
9.1%inclusion2 decks22 decks
9%synergy
Skyshroud Claim
9.1%inclusion2 decks22 decks
4%synergy
Far Wanderings
9.1%inclusion2 decks22 decks
8%synergy
Distant Melody
9.1%inclusion2 decks22 decks
7%synergy
Kindred Dominance
9.1%inclusion2 decks22 decks
7%synergy
Raise the Palisade
9.1%inclusion2 decks22 decks
8%synergy
Rise from the Wreck
6.7%inclusion1 decks15 decks
7%synergy
Stargaze
5.0%inclusion1 decks20 decks
4%synergy
Utility Artifacts
The Ozolith
27%inclusion6 decks22 decks
21%synergy
Swiftfoot Boots
27%inclusion6 decks22 decks
3%synergy
Cloud Key
23%inclusion5 decks22 decks
22%synergy
Ozolith, the Shattered Spire
23%inclusion5 decks22 decks
20%synergy
Emerald Medallion
23%inclusion5 decks22 decks
22%synergy
The Earth Crystal
18%inclusion2 decks11 decks
15%synergy
The Ooze
17%inclusion1 decks6 decks
16%synergy
Chronicle of Victory
14%inclusion1 decks7 decks
11%synergy
Gathering Stone
14%inclusion1 decks7 decks
12%synergy
Thrumming Stone
14%inclusion3 decks22 decks
13%synergy
Animation Module
14%inclusion3 decks22 decks
13%synergy
Herald's Horn
14%inclusion3 decks22 decks
12%synergy
Repurposing Bay
13%inclusion2 decks15 decks
13%synergy
Adaptive Omnitool
13%inclusion2 decks15 decks
13%synergy
Aether Spellbomb
9.1%inclusion2 decks22 decks
8%synergy
The Great Henge
9.1%inclusion2 decks22 decks
3%synergy
Spellweaver Helix
9.1%inclusion2 decks22 decks
9%synergy
Whispersilk Cloak
9.1%inclusion2 decks22 decks
6%synergy
Semblance Anvil
9.1%inclusion2 decks22 decks
9%synergy
Ichor Wellspring
9.1%inclusion2 decks22 decks
9%synergy
Agatha's Soul Cauldron
9.1%inclusion2 decks22 decks
7%synergy
The Regalia
9.1%inclusion1 decks11 decks
9%synergy
Sword of Hours
9.1%inclusion2 decks22 decks
9%synergy
Urza's Incubator
9.1%inclusion2 decks22 decks
8%synergy
The Darkness Crystal
8.3%inclusion1 decks12 decks
8%synergy
Broodheart Engine
6.7%inclusion1 decks15 decks
6%synergy
Demonic Junker
6.7%inclusion1 decks15 decks
7%synergy
Thunderous Velocipede
6.7%inclusion1 decks15 decks
7%synergy
Haunted Hellride
6.7%inclusion1 decks15 decks
7%synergy
Midnight Mangler
6.7%inclusion1 decks15 decks
7%synergy
Lifecraft Engine
6.7%inclusion1 decks15 decks
7%synergy
Ghost Vacuum
5.9%inclusion1 decks17 decks
5%synergy
Hedge Shredder
5.9%inclusion1 decks17 decks
-9%synergy
Short Bow
5.0%inclusion1 decks20 decks
5%synergy
Enchantments
Ooze Flux
27%inclusion6 decks22 decks
27%synergy
Hardened Scales
27%inclusion6 decks22 decks
16%synergy
Gutter Grime
23%inclusion5 decks22 decks
22%synergy
Simic Ascendancy
23%inclusion5 decks22 decks
18%synergy
Terrasymbiosis
20%inclusion2 decks10 decks
15%synergy
High Score
20%inclusion1 decks5 decks
20%synergy
Inexorable Tide
18%inclusion4 decks22 decks
10%synergy
Colossal Majesty
18%inclusion4 decks22 decks
17%synergy
Kindred Discovery
14%inclusion3 decks22 decks
10%synergy
Branching Evolution
14%inclusion3 decks22 decks
3%synergy
Master Chef
14%inclusion3 decks22 decks
13%synergy
Primal Vigor
14%inclusion3 decks22 decks
12%synergy
Ooze Garden
14%inclusion3 decks22 decks
14%synergy
Case of the Ransacked Lab
14%inclusion3 decks22 decks
14%synergy
Bred for the Hunt
14%inclusion3 decks22 decks
12%synergy
Hollowmurk Siege
13%inclusion2 decks15 decks
8%synergy
Stocking the Pantry
10%inclusion2 decks20 decks
10%synergy
Loading Zone
10%inclusion1 decks10 decks
9%synergy
Primal Empathy
9.1%inclusion2 decks22 decks
8%synergy
Spelunking
9.1%inclusion2 decks22 decks
3%synergy
Garruk's Uprising
9.1%inclusion2 decks22 decks
2%synergy
Tribute to the World Tree
9.1%inclusion2 decks22 decks
7%synergy
Wizard Class
9.1%inclusion2 decks22 decks
8%synergy
Parallel Lives
9.1%inclusion2 decks22 decks
6%synergy
Song of Freyalise
9.1%inclusion2 decks22 decks
9%synergy
Spidersilk Armor
9.1%inclusion2 decks22 decks
9%synergy
Insidious Roots
9.1%inclusion2 decks22 decks
1%synergy
Sphere Grid
8.3%inclusion1 decks12 decks
6%synergy
Dredger's Insight
6.7%inclusion1 decks15 decks
5%synergy
Unstoppable Plan
6.7%inclusion1 decks15 decks
6%synergy
Unable to Scream
5.9%inclusion1 decks17 decks
5%synergy
Hunter's Talent
5.0%inclusion1 decks20 decks
5%synergy
Battles
Invasion of Muraganda
9.1%inclusion2 decks22 decks
9%synergy
Utility Lands
Reliquary Tower
27%inclusion6 decks22 decks
0%synergy
Bojuka Bog
23%inclusion5 decks22 decks
-3%synergy
Ba Sing Se
14%inclusion1 decks7 decks
13%synergy
Secret Tunnel
14%inclusion1 decks7 decks
14%synergy
Seat of the Synod
14%inclusion3 decks22 decks
13%synergy
Alchemist's Refuge
14%inclusion3 decks22 decks
8%synergy
Buried Ruin
14%inclusion3 decks22 decks
13%synergy
Oran-Rief, the Vastwood
14%inclusion3 decks22 decks
12%synergy
Rogue's Passage
14%inclusion3 decks22 decks
-4%synergy
Mosswort Bridge
14%inclusion3 decks22 decks
11%synergy
Temple of the False God
14%inclusion3 decks22 decks
3%synergy
Multiversal Passage
10%inclusion1 decks10 decks
9%synergy
Lair of the Hydra
9.1%inclusion2 decks22 decks
7%synergy
Creeping Tar Pit
9.1%inclusion2 decks22 decks
7%synergy
Memorial to Folly
9.1%inclusion2 decks22 decks
4%synergy
Lonely Sandbar
9.1%inclusion2 decks22 decks
8%synergy
Yavimaya, Cradle of Growth
9.1%inclusion2 decks22 decks
-10%synergy
Inventors' Fair
9.1%inclusion2 decks22 decks
9%synergy
Karn's Bastion
9.1%inclusion2 decks22 decks
3%synergy
Spymaster's Vault
9.1%inclusion2 decks22 decks
8%synergy
Forge of Heroes
9.1%inclusion2 decks22 decks
9%synergy
Llanowar Reborn
9.1%inclusion2 decks22 decks
8%synergy
Zanarkand, Ancient Metropolis
8.3%inclusion1 decks12 decks
8%synergy
Mistrise Village
6.7%inclusion1 decks15 decks
-2%synergy
Wild Roads
6.7%inclusion1 decks15 decks
7%synergy
Reef Roads
6.7%inclusion1 decks15 decks
7%synergy
Avishkar Raceway
6.7%inclusion1 decks15 decks
7%synergy
Amonkhet Raceway
6.7%inclusion1 decks15 decks
6%synergy
Muraganda Raceway
6.7%inclusion1 decks15 decks
6%synergy
Foul Roads
6.7%inclusion1 decks15 decks
7%synergy
Mana Artifacts
Sol Ring
77%inclusion17 decks22 decks
-4%synergy
Arcane Signet
55%inclusion12 decks22 decks
-17%synergy
Commander's Sphere
27%inclusion6 decks22 decks
21%synergy
Simic Signet
18%inclusion4 decks22 decks
9%synergy
Fellwar Stone
14%inclusion3 decks22 decks
-1%synergy
Patchwork Banner
10%inclusion2 decks20 decks
8%synergy
The Soul Stone
10%inclusion1 decks10 decks
8%synergy
Solar Array
10%inclusion1 decks10 decks
10%synergy
Golgari Signet
9.1%inclusion2 decks22 decks
1%synergy
Thought Vessel
9.1%inclusion2 decks22 decks
1%synergy
Pillar of Origins
9.1%inclusion2 decks22 decks
9%synergy
Dimir Signet
9.1%inclusion2 decks22 decks
1%synergy
Cargo Ship
9.1%inclusion1 decks11 decks
9%synergy
Herd Heirloom
6.7%inclusion1 decks15 decks
4%synergy
Veloheart Bike
6.7%inclusion1 decks15 decks
7%synergy
Lands
Forest
95%inclusion21 decks22 decks
4%synergy
Island
95%inclusion21 decks22 decks
5%synergy
Swamp
91%inclusion20 decks22 decks
1%synergy
Command Tower
59%inclusion13 decks22 decks
-31%synergy
Opulent Palace
50%inclusion11 decks22 decks
-2%synergy
Zagoth Triome
36%inclusion8 decks22 decks
-1%synergy
Sunken Hollow
32%inclusion7 decks22 decks
-6%synergy
Breeding Pool
27%inclusion6 decks22 decks
-20%synergy
Simic Growth Chamber
23%inclusion5 decks22 decks
6%synergy
Exotic Orchard
23%inclusion5 decks22 decks
-33%synergy
Blooming Marsh
23%inclusion5 decks22 decks
19%synergy
Overgrown Tomb
23%inclusion5 decks22 decks
-24%synergy
Dreamroot Cascade
23%inclusion5 decks22 decks
-7%synergy
Jungle Hollow
23%inclusion5 decks22 decks
16%synergy
Hinterland Harbor
23%inclusion5 decks22 decks
-25%synergy
Foreboding Landscape
23%inclusion5 decks22 decks
0%synergy
Misty Rainforest
18%inclusion4 decks22 decks
-16%synergy
Vineglimmer Snarl
18%inclusion4 decks22 decks
13%synergy
Tangled Islet
18%inclusion4 decks22 decks
14%synergy
Verdant Catacombs
18%inclusion4 decks22 decks
-16%synergy
Path of Ancestry
18%inclusion4 decks22 decks
-3%synergy
Rejuvenating Springs
18%inclusion4 decks22 decks
-13%synergy
Polluted Delta
18%inclusion4 decks22 decks
-17%synergy
Watery Grave
18%inclusion4 decks22 decks
-27%synergy
Botanical Sanctum
18%inclusion4 decks22 decks
15%synergy
Strangled Cemetery
18%inclusion3 decks17 decks
17%synergy
Sodden Verdure
14%inclusion1 decks7 decks
8%synergy
Abundant Countryside
14%inclusion1 decks7 decks
13%synergy
Terramorphic Expanse
14%inclusion3 decks22 decks
-10%synergy
Darkmoss Bridge
14%inclusion3 decks22 decks
13%synergy
Myriad Landscape
14%inclusion3 decks22 decks
0%synergy
Undergrowth Stadium
14%inclusion3 decks22 decks
-16%synergy
Yavimaya Coast
14%inclusion3 decks22 decks
-14%synergy
Thriving Grove
14%inclusion3 decks22 decks
12%synergy
Haunted Mire
14%inclusion3 decks22 decks
6%synergy
Bayou
14%inclusion3 decks22 decks
0%synergy
Woodland Cemetery
14%inclusion3 decks22 decks
-32%synergy
Temple of Malady
14%inclusion3 decks22 decks
-6%synergy
Drowned Catacomb
14%inclusion3 decks22 decks
-19%synergy
Evolving Wilds
14%inclusion3 decks22 decks
-13%synergy
Simic Guildgate
14%inclusion3 decks22 decks
9%synergy
Thornwood Falls
14%inclusion3 decks22 decks
7%synergy
Deathcap Glade
14%inclusion3 decks22 decks
-1%synergy
Willowrush Verge
13%inclusion2 decks15 decks
6%synergy
Wastewood Verge
13%inclusion2 decks15 decks
5%synergy
Lakeside Shack
12%inclusion2 decks17 decks
11%synergy
Tanglepool Bridge
9.1%inclusion2 decks22 decks
8%synergy
Mistvault Bridge
9.1%inclusion2 decks22 decks
8%synergy
Underground Sea
9.1%inclusion2 decks22 decks
-4%synergy
Overflowing Basin
9.1%inclusion2 decks22 decks
-2%synergy