Marrow-Gnawer (Commander) - Expensive Relentless Rats

Jeremy Rowe
Mar 20, 2026
Building Rat Typal With Marrow-Gnawer
These Rats will do a lot more than pull your hair. Let's see what Marrow-Gnawer can do leading a swarm of Rats in Commander.
Deck Filters
Cardsphere
Archidekt
Commander Spellbook
Moxfield
Scryfall
MTGStocks
Rat King, Verminister
25%inclusion1 decks4 decks
22%synergy
High Synergy Cards
Relentless Rats
97%inclusion35 decks36 decks
95%synergy
Thrumming Stone
81%inclusion29 decks36 decks
77%synergy
Swarmyard
78%inclusion28 decks36 decks
72%synergy
Ashcoat of the Shadow Swarm
72%inclusion26 decks36 decks
69%synergy
Karumonix, the Rat King
69%inclusion25 decks36 decks
65%synergy
Piper of the Swarm
69%inclusion25 decks36 decks
62%synergy
Thornbite Staff
64%inclusion23 decks36 decks
61%synergy
Pack Rat
67%inclusion24 decks36 decks
61%synergy
Three Tree City
58%inclusion15 decks26 decks
53%synergy
Nykthos, Shrine to Nyx
75%inclusion27 decks36 decks
45%synergy
Top Cards
Jet Medallion
83%inclusion30 decks36 decks
22%synergy
Dark Ritual
56%inclusion20 decks36 decks
-11%synergy
Grave Pact
56%inclusion20 decks36 decks
36%synergy
Deadly Rollick
53%inclusion19 decks36 decks
28%synergy
Phyrexian Arena
53%inclusion19 decks36 decks
13%synergy
Ogre Slumlord
50%inclusion18 decks36 decks
40%synergy
Ayara, First of Locthwain
50%inclusion18 decks36 decks
24%synergy
Coat of Arms
47%inclusion17 decks36 decks
45%synergy
Bontu's Monument
47%inclusion17 decks36 decks
19%synergy
Diabolic Intent
42%inclusion15 decks36 decks
27%synergy
Game Changers
Vampiric Tutor
81%inclusion29 decks36 decks
60%synergy
Demonic Tutor
78%inclusion28 decks36 decks
50%synergy
Imperial Seal
31%inclusion11 decks36 decks
24%synergy
Ancient Tomb
28%inclusion10 decks36 decks
16%synergy
Necropotence
25%inclusion9 decks36 decks
10%synergy
Bolas's Citadel
22%inclusion8 decks36 decks
-6%synergy
Chrome Mox
22%inclusion8 decks36 decks
16%synergy
The One Ring
19%inclusion7 decks36 decks
10%synergy
Mana Vault
14%inclusion5 decks36 decks
7%synergy
Opposition Agent
5.6%inclusion2 decks36 decks
-4%synergy
Creatures
Lord Skitter, Sewer King
42%inclusion15 decks36 decks
33%synergy
Ink-Eyes, Servant of Oni
39%inclusion14 decks36 decks
36%synergy
Crypt Ghast
39%inclusion14 decks36 decks
-9%synergy
Species Specialist
36%inclusion13 decks36 decks
33%synergy
Crypt Rats
28%inclusion10 decks36 decks
23%synergy
Throat Slitter
28%inclusion10 decks36 decks
26%synergy
Ratcatcher
28%inclusion10 decks36 decks
24%synergy
Valley Rotcaller
23%inclusion6 decks26 decks
20%synergy
Swarm of Rats
22%inclusion8 decks36 decks
20%synergy
Nashi, Moon Sage's Scion
22%inclusion8 decks36 decks
18%synergy
Crashing Drawbridge
19%inclusion7 decks36 decks
17%synergy
Mirkwood Bats
17%inclusion6 decks36 decks
8%synergy
Zulaport Cutthroat
17%inclusion6 decks36 decks
-7%synergy
Gnat Miser
17%inclusion6 decks36 decks
14%synergy
Burglar Rat
14%inclusion5 decks36 decks
3%synergy
Blood Artist
14%inclusion5 decks36 decks
-18%synergy
Gray Merchant of Asphodel
14%inclusion5 decks36 decks
-37%synergy
Locust Miser
14%inclusion5 decks36 decks
12%synergy
Typhoid Rats
14%inclusion5 decks36 decks
10%synergy
Chittering Witch
11%inclusion4 decks36 decks
7%synergy
Stronghold Rats
11%inclusion4 decks36 decks
7%synergy
Marvin, Murderous Mimic
10%inclusion2 decks21 decks
8%synergy
Roaming Throne
8.3%inclusion3 decks36 decks
5%synergy
Mikaeus, the Unhallowed
8.3%inclusion3 decks36 decks
1%synergy
Voracious Vermin
8.3%inclusion3 decks36 decks
5%synergy
Nezumi Prowler
8.3%inclusion3 decks36 decks
7%synergy
Blightbelly Rat
8.3%inclusion3 decks36 decks
5%synergy
Pestilence Rats
8.3%inclusion3 decks36 decks
6%synergy
Nezumi Bone-Reader
8.3%inclusion3 decks36 decks
7%synergy
Wave of Rats
8.3%inclusion3 decks36 decks
6%synergy
Braids, Arisen Nightmare
8.3%inclusion3 decks36 decks
-11%synergy
Okiba-Gang Shinobi
8.3%inclusion3 decks36 decks
7%synergy
Ichor Rats
8.3%inclusion3 decks36 decks
5%synergy
Persistent Marshstalker
7.7%inclusion2 decks26 decks
5%synergy
Patron of the Nezumi
5.6%inclusion2 decks36 decks
5%synergy
Rotting Rats
5.6%inclusion2 decks36 decks
2%synergy
Dark Confidant
5.6%inclusion2 decks36 decks
-2%synergy
Plaguecrafter
5.6%inclusion2 decks36 decks
-15%synergy
Ruthless Radrat
5.6%inclusion2 decks36 decks
5%synergy
Tangled Colony
5.6%inclusion2 decks36 decks
2%synergy
Filth
5.6%inclusion2 decks36 decks
3%synergy
Skullsnatcher
5.6%inclusion2 decks36 decks
5%synergy
Twisted Sewer-Witch
5.6%inclusion2 decks36 decks
4%synergy
Pitiless Plunderer
5.6%inclusion2 decks36 decks
-14%synergy
K'rrik, Son of Yawgmoth
5.6%inclusion2 decks36 decks
-14%synergy
Balthor the Defiled
5.6%inclusion2 decks36 decks
3%synergy
Rancid Rats
5.6%inclusion2 decks36 decks
3%synergy
Rat Colony
5.6%inclusion2 decks36 decks
0%synergy
Dauthi Voidwalker
5.6%inclusion2 decks36 decks
-10%synergy
Ruin Rat
5.6%inclusion2 decks36 decks
4%synergy
Instants
Culling the Weak
28%inclusion10 decks36 decks
12%synergy
Withering Torment
24%inclusion5 decks21 decks
-8%synergy
Imp's Mischief
19%inclusion7 decks36 decks
-5%synergy
Village Rites
19%inclusion7 decks36 decks
-6%synergy
Deadly Dispute
19%inclusion7 decks36 decks
-6%synergy
Cabal Ritual
17%inclusion6 decks36 decks
-2%synergy
Malakir Rebirth
17%inclusion6 decks36 decks
-6%synergy
Force of Despair
14%inclusion5 decks36 decks
6%synergy
Go for the Throat
14%inclusion5 decks36 decks
-9%synergy
Snuff Out
14%inclusion5 decks36 decks
1%synergy
Defile
14%inclusion5 decks36 decks
-22%synergy
Infernal Grasp
14%inclusion5 decks36 decks
-11%synergy
Corrupted Conviction
14%inclusion5 decks36 decks
1%synergy
Fell the Profane
12%inclusion4 decks33 decks
-7%synergy
Plumb the Forbidden
11%inclusion4 decks36 decks
7%synergy
Sudden Spoiling
11%inclusion4 decks36 decks
2%synergy
Songs of the Damned
8.3%inclusion3 decks36 decks
3%synergy
Foul-Tongue Shriek
8.3%inclusion3 decks36 decks
7%synergy
Gravepurge
8.3%inclusion3 decks36 decks
7%synergy
Dismember
8.3%inclusion3 decks36 decks
-2%synergy
Cut Down
5.6%inclusion2 decks36 decks
2%synergy
Rat Out
5.6%inclusion2 decks36 decks
4%synergy
Soul Shatter
5.6%inclusion2 decks36 decks
-6%synergy
Bitter Triumph
5.6%inclusion2 decks36 decks
-4%synergy
Murder
5.6%inclusion2 decks36 decks
-5%synergy
Sorceries
Bloodline Bidding
50%inclusion2 decks4 decks
45%synergy
Kindred Dominance
36%inclusion13 decks36 decks
31%synergy
Grim Tutor
36%inclusion13 decks36 decks
25%synergy
Feed the Swarm
33%inclusion12 decks36 decks
-17%synergy
Damnation
33%inclusion12 decks36 decks
13%synergy
Revenge of the Rats
31%inclusion4 decks13 decks
28%synergy
Patriarch's Bidding
31%inclusion11 decks36 decks
26%synergy
Toxic Deluge
31%inclusion11 decks36 decks
-6%synergy
Echoing Return
25%inclusion9 decks36 decks
22%synergy
Plague of Vermin
25%inclusion9 decks36 decks
23%synergy
Reanimate
22%inclusion8 decks36 decks
-18%synergy
Victimize
19%inclusion7 decks36 decks
-7%synergy
Swarmyard Massacre
16%inclusion4 decks25 decks
14%synergy
Blasphemous Edict
15%inclusion2 decks13 decks
-1%synergy
Diabolic Tutor
14%inclusion5 decks36 decks
0%synergy
Night's Whisper
14%inclusion5 decks36 decks
-11%synergy
Living Death
14%inclusion5 decks36 decks
4%synergy
Insatiable Avarice
14%inclusion5 decks36 decks
2%synergy
Sign in Blood
14%inclusion5 decks36 decks
-22%synergy
Beseech the Mirror
14%inclusion5 decks36 decks
7%synergy
Gruesome Fate
14%inclusion5 decks36 decks
12%synergy
Torment of Hailfire
11%inclusion4 decks36 decks
-4%synergy
Haunting Voyage
11%inclusion4 decks36 decks
10%synergy
Bubbling Muck
11%inclusion4 decks36 decks
-4%synergy
Crippling Fear
11%inclusion4 decks36 decks
8%synergy
Exsanguinate
8.3%inclusion3 decks36 decks
-16%synergy
Secret Salvage
8.3%inclusion3 decks36 decks
7%synergy
Profane Tutor
5.6%inclusion2 decks36 decks
1%synergy
Read the Bones
5.6%inclusion2 decks36 decks
-11%synergy
Praetor's Grasp
5.6%inclusion2 decks36 decks
2%synergy
Fortuitous Find
5.6%inclusion2 decks36 decks
5%synergy
Beseech the Queen
5.6%inclusion2 decks36 decks
0%synergy
Utility Artifacts
Ashnod's Altar
42%inclusion15 decks36 decks
22%synergy
Herald's Horn
36%inclusion13 decks36 decks
30%synergy
Lightning Greaves
36%inclusion13 decks36 decks
3%synergy
Phyrexian Altar
33%inclusion12 decks36 decks
20%synergy
Akroma's Memorial
33%inclusion12 decks36 decks
32%synergy
Eldrazi Monument
33%inclusion12 decks36 decks
32%synergy
Banner of Kinship
31%inclusion4 decks13 decks
29%synergy
Skullclamp
31%inclusion11 decks36 decks
8%synergy
Vanquisher's Banner
31%inclusion11 decks36 decks
27%synergy
Door of Destinies
31%inclusion11 decks36 decks
28%synergy
Mirrormind Crown
25%inclusion1 decks4 decks
24%synergy
Chronicle of Victory
25%inclusion1 decks4 decks
22%synergy
Whip of Erebos
19%inclusion7 decks36 decks
9%synergy
Altar of the Brood
19%inclusion7 decks36 decks
18%synergy
Swiftfoot Boots
19%inclusion7 decks36 decks
-12%synergy
Expedition Map
14%inclusion5 decks36 decks
2%synergy
Sensei's Divining Top
11%inclusion4 decks36 decks
3%synergy
Urza's Incubator
11%inclusion4 decks36 decks
9%synergy
Thousand-Year Elixir
8.3%inclusion3 decks36 decks
6%synergy
Sting, the Glinting Dagger
8.3%inclusion3 decks36 decks
7%synergy
Dolmen Gate
8.3%inclusion3 decks36 decks
8%synergy
Altar of Dementia
8.3%inclusion3 decks36 decks
3%synergy
Chimil, the Inner Sun
5.6%inclusion2 decks36 decks
5%synergy
Icon of Ancestry
5.6%inclusion2 decks36 decks
5%synergy
Mirror Box
5.6%inclusion2 decks36 decks
5%synergy
Scroll Rack
5.6%inclusion2 decks36 decks
5%synergy
Wishclaw Talisman
5.6%inclusion2 decks36 decks
-1%synergy
Magewright's Stone
5.6%inclusion2 decks36 decks
5%synergy
Commander's Plate
5.6%inclusion2 decks36 decks
0%synergy
Aether Vial
5.6%inclusion2 decks36 decks
5%synergy
Enchantments
Black Market
39%inclusion14 decks36 decks
18%synergy
The Meathook Massacre
25%inclusion9 decks36 decks
8%synergy
Dictate of Erebos
25%inclusion9 decks36 decks
14%synergy
Black Market Connections
22%inclusion8 decks36 decks
-2%synergy
Haunted One
19%inclusion7 decks36 decks
17%synergy
Bastion of Remembrance
19%inclusion7 decks36 decks
2%synergy
Phyrexian Reclamation
14%inclusion5 decks36 decks
4%synergy
Attrition
14%inclusion5 decks36 decks
11%synergy
Cover of Darkness
14%inclusion5 decks36 decks
11%synergy
Dark Prophecy
11%inclusion4 decks36 decks
7%synergy
Meathook Massacre II
10%inclusion2 decks21 decks
3%synergy
Animate Dead
8.3%inclusion3 decks36 decks
-9%synergy
Bad Moon
8.3%inclusion3 decks36 decks
5%synergy
Dark Tutelage
5.6%inclusion2 decks36 decks
4%synergy
Contamination
5.6%inclusion2 decks36 decks
2%synergy
Tribute to Horobi
5.6%inclusion2 decks36 decks
5%synergy
Exquisite Blood
5.6%inclusion2 decks36 decks
-8%synergy
Lord Skitter's Blessing
5.6%inclusion2 decks36 decks
5%synergy
Oversold Cemetery
5.6%inclusion2 decks36 decks
0%synergy
Planeswalkers
Liliana of the Dark Realms
25%inclusion9 decks36 decks
11%synergy
Sorin Markov
5.6%inclusion2 decks36 decks
3%synergy
Utility Lands
Cabal Coffers
94%inclusion34 decks36 decks
40%synergy
Urborg, Tomb of Yawgmoth
67%inclusion24 decks36 decks
29%synergy
Bojuka Bog
42%inclusion15 decks36 decks
-5%synergy
Phyrexian Tower
39%inclusion14 decks36 decks
14%synergy
Cabal Stronghold
36%inclusion13 decks36 decks
1%synergy
War Room
25%inclusion9 decks36 decks
9%synergy
Reliquary Tower
25%inclusion9 decks36 decks
-5%synergy
Crypt of Agadeem
22%inclusion8 decks36 decks
11%synergy
Witch's Cottage
19%inclusion7 decks36 decks
-5%synergy
Castle Locthwain
19%inclusion7 decks36 decks
2%synergy
Westvale Abbey
17%inclusion6 decks36 decks
10%synergy
Midgar, City of Mako
14%inclusion1 decks7 decks
3%synergy
Deserted Temple
14%inclusion5 decks36 decks
10%synergy
Takenuma, Abandoned Mire
14%inclusion5 decks36 decks
-2%synergy
Mortuary Mire
8.3%inclusion3 decks36 decks
-5%synergy
Buried Ruin
8.3%inclusion3 decks36 decks
3%synergy
Volrath's Stronghold
8.3%inclusion3 decks36 decks
5%synergy
Rogue's Passage
8.3%inclusion3 decks36 decks
-11%synergy
Mudflat Village
6.9%inclusion2 decks29 decks
4%synergy
Boseiju, Who Shelters All
5.6%inclusion2 decks36 decks
4%synergy
Urza's Saga
5.6%inclusion2 decks36 decks
-2%synergy
Ebon Stronghold
5.6%inclusion2 decks36 decks
4%synergy
Minas Morgul, Dark Fortress
5.6%inclusion2 decks36 decks
3%synergy
Mikokoro, Center of the Sea
5.6%inclusion2 decks36 decks
3%synergy
Thespian's Stage
5.6%inclusion2 decks36 decks
0%synergy
Mana Artifacts
Sol Ring
94%inclusion34 decks36 decks
9%synergy
Arcane Signet
39%inclusion14 decks36 decks
-23%synergy
Throne of Eldraine
22%inclusion8 decks36 decks
12%synergy
Mana Crypt
19%inclusion7 decks36 decks
18%synergy
Thought Vessel
17%inclusion6 decks36 decks
-9%synergy
Jeweled Lotus
14%inclusion5 decks36 decks
13%synergy
Lotus Petal
14%inclusion5 decks36 decks
7%synergy
Mox Opal
14%inclusion5 decks36 decks
11%synergy
Extraplanar Lens
14%inclusion5 decks36 decks
9%synergy
Charcoal Diamond
11%inclusion4 decks36 decks
-11%synergy
Mox Amber
11%inclusion4 decks36 decks
7%synergy
Patriar's Seal
11%inclusion4 decks36 decks
8%synergy
Caged Sun
8.3%inclusion3 decks36 decks
-3%synergy
Gauntlet of Power
8.3%inclusion3 decks36 decks
5%synergy
Mind Stone
8.3%inclusion3 decks36 decks
-21%synergy
Nyx Lotus
8.3%inclusion3 decks36 decks
2%synergy
Patchwork Banner
8.0%inclusion2 decks25 decks
4%synergy
Gilded Lotus
5.6%inclusion2 decks36 decks
0%synergy
Sceptre of Eternal Glory
5.6%inclusion2 decks36 decks
-3%synergy
Mox Diamond
5.6%inclusion2 decks36 decks
2%synergy
Lands
Swamp
81%inclusion29 decks36 decks
-15%synergy
Cavern of Souls
56%inclusion20 decks36 decks
49%synergy
Snow-Covered Swamp
22%inclusion8 decks36 decks
16%synergy
Path of Ancestry
19%inclusion7 decks36 decks
14%synergy
Malakir Rebirth
17%inclusion6 decks36 decks
-6%synergy
Fell the Profane
12%inclusion4 decks33 decks
-7%synergy
Command Tower
8.3%inclusion3 decks36 decks
3%synergy
Myriad Landscape
8.3%inclusion3 decks36 decks
-17%synergy
Marsh Flats
8.3%inclusion3 decks36 decks
5%synergy
Verdant Catacombs
5.6%inclusion2 decks36 decks
2%synergy
Demolition Field
5.6%inclusion2 decks36 decks
0%synergy
Gemstone Caverns
5.6%inclusion2 decks36 decks
1%synergy
Bloodstained Mire
5.6%inclusion2 decks36 decks
2%synergy