Marrow-Gnawer (Commander) - Expensive Upgraded 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
Big Apple, 3 a.m.
50%inclusion2 decks4 decks
48%synergy
Rat King, Verminister
40%inclusion2 decks5 decks
37%synergy
Decorum Dissertation
33%inclusion1 decks3 decks
29%synergy
Rat King, Pale Piper
25%inclusion1 decks4 decks
21%synergy
Super Shredder
14%inclusion1 decks7 decks
13%synergy
High Synergy Cards
Thornbite Staff
86%inclusion6 decks7 decks
83%synergy
Swarmyard
86%inclusion6 decks7 decks
80%synergy
Pack Rat
86%inclusion6 decks7 decks
80%synergy
Nykthos, Shrine to Nyx
100%inclusion7 decks7 decks
70%synergy
Plague of Vermin
71%inclusion5 decks7 decks
69%synergy
Ashcoat of the Shadow Swarm
71%inclusion5 decks7 decks
68%synergy
Thrumming Stone
71%inclusion5 decks7 decks
67%synergy
Karumonix, the Rat King
71%inclusion5 decks7 decks
67%synergy
Three Tree City
71%inclusion5 decks7 decks
67%synergy
Rat Colony
71%inclusion5 decks7 decks
66%synergy
Top Cards
Jet Medallion
100%inclusion7 decks7 decks
38%synergy
Ayara, First of Locthwain
86%inclusion6 decks7 decks
60%synergy
Ogre Slumlord
71%inclusion5 decks7 decks
61%synergy
Dark Ritual
71%inclusion5 decks7 decks
5%synergy
Skullclamp
71%inclusion5 decks7 decks
49%synergy
Crypt Ghast
71%inclusion5 decks7 decks
24%synergy
Piper of the Swarm
71%inclusion5 decks7 decks
64%synergy
Lightning Greaves
71%inclusion5 decks7 decks
38%synergy
Black Market Connections
71%inclusion5 decks7 decks
48%synergy
Lord Skitter, Sewer King
71%inclusion5 decks7 decks
63%synergy
Game Changers
Vampiric Tutor
71%inclusion5 decks7 decks
51%synergy
Demonic Tutor
57%inclusion4 decks7 decks
30%synergy
Necropotence
57%inclusion4 decks7 decks
42%synergy
Bolas's Citadel
29%inclusion2 decks7 decks
0%synergy
The One Ring
29%inclusion2 decks7 decks
19%synergy
Creatures
Crypt Rats
57%inclusion4 decks7 decks
53%synergy
Ink-Eyes, Servant of Oni
57%inclusion4 decks7 decks
54%synergy
Ratcatcher
57%inclusion4 decks7 decks
54%synergy
Species Specialist
43%inclusion3 decks7 decks
39%synergy
Valley Rotcaller
43%inclusion3 decks7 decks
40%synergy
Nashi, Moon Sage's Scion
43%inclusion3 decks7 decks
39%synergy
Relentless Rats
29%inclusion2 decks7 decks
27%synergy
Gray Merchant of Asphodel
29%inclusion2 decks7 decks
-22%synergy
Throat Slitter
29%inclusion2 decks7 decks
27%synergy
Zulaport Cutthroat
29%inclusion2 decks7 decks
5%synergy
Persistent Marshstalker
29%inclusion2 decks7 decks
26%synergy
Grim Hireling
29%inclusion2 decks7 decks
24%synergy
Chittering Witch
29%inclusion2 decks7 decks
24%synergy
Braids, Arisen Nightmare
29%inclusion2 decks7 decks
9%synergy
Mirkwood Bats
14%inclusion1 decks7 decks
6%synergy
Darkstar Augur
14%inclusion1 decks7 decks
12%synergy
Nezumi Graverobber
14%inclusion1 decks7 decks
13%synergy
Dark Confidant
14%inclusion1 decks7 decks
7%synergy
Sheoldred, the Apocalypse
14%inclusion1 decks7 decks
0%synergy
Filth
14%inclusion1 decks7 decks
12%synergy
Boggart Trawler
14%inclusion1 decks7 decks
5%synergy
Swarm of Rats
14%inclusion1 decks7 decks
12%synergy
Twisted Sewer-Witch
14%inclusion1 decks7 decks
13%synergy
Pestilence Rats
14%inclusion1 decks7 decks
12%synergy
Wave of Rats
14%inclusion1 decks7 decks
12%synergy
Gnat Miser
14%inclusion1 decks7 decks
11%synergy
Typhoid Rats
14%inclusion1 decks7 decks
11%synergy
Old Flitterfang
14%inclusion1 decks7 decks
13%synergy
Splinter, the Mentor
14%inclusion1 decks7 decks
14%synergy
Instants
Deadly Rollick
57%inclusion4 decks7 decks
33%synergy
Snuff Out
43%inclusion3 decks7 decks
30%synergy
Culling the Weak
43%inclusion3 decks7 decks
27%synergy
Malakir Rebirth
43%inclusion3 decks7 decks
20%synergy
Fell the Profane
29%inclusion2 decks7 decks
10%synergy
Flare of Malice
29%inclusion2 decks7 decks
15%synergy
Soul Shatter
29%inclusion2 decks7 decks
17%synergy
Tragic Slip
29%inclusion2 decks7 decks
9%synergy
Hagra Mauling
14%inclusion1 decks7 decks
10%synergy
Imp's Mischief
14%inclusion1 decks7 decks
-10%synergy
Village Rites
14%inclusion1 decks7 decks
-11%synergy
Rat Out
14%inclusion1 decks7 decks
13%synergy
Deadly Dispute
14%inclusion1 decks7 decks
-12%synergy
Bitter Triumph
14%inclusion1 decks7 decks
5%synergy
Sudden Spoiling
14%inclusion1 decks7 decks
5%synergy
Dismember
14%inclusion1 decks7 decks
4%synergy
Withering Torment
14%inclusion1 decks7 decks
-17%synergy
Sorceries
Patriarch's Bidding
43%inclusion3 decks7 decks
39%synergy
Swarmyard Massacre
43%inclusion3 decks7 decks
40%synergy
Kindred Dominance
43%inclusion3 decks7 decks
38%synergy
Diabolic Intent
29%inclusion2 decks7 decks
14%synergy
Agadeem's Awakening
29%inclusion2 decks7 decks
21%synergy
Feed the Swarm
29%inclusion2 decks7 decks
-22%synergy
Bone Shards
29%inclusion2 decks7 decks
25%synergy
Reanimate
29%inclusion2 decks7 decks
-11%synergy
Sign in Blood
29%inclusion2 decks7 decks
-7%synergy
Damnation
29%inclusion2 decks7 decks
8%synergy
Revenge of the Rats
14%inclusion1 decks7 decks
11%synergy
Echoing Return
14%inclusion1 decks7 decks
11%synergy
Read the Bones
14%inclusion1 decks7 decks
-3%synergy
Night's Whisper
14%inclusion1 decks7 decks
-10%synergy
Exsanguinate
14%inclusion1 decks7 decks
-10%synergy
Ambition's Cost
14%inclusion1 decks7 decks
11%synergy
Toxic Deluge
14%inclusion1 decks7 decks
-22%synergy
Grim Tutor
14%inclusion1 decks7 decks
3%synergy
Utility Artifacts
Vanquisher's Banner
43%inclusion3 decks7 decks
39%synergy
Bontu's Monument
43%inclusion3 decks7 decks
14%synergy
Herald's Horn
43%inclusion3 decks7 decks
37%synergy
Ashnod's Altar
29%inclusion2 decks7 decks
9%synergy
Thousand-Year Elixir
29%inclusion2 decks7 decks
27%synergy
Whip of Erebos
29%inclusion2 decks7 decks
18%synergy
Phyrexian Altar
29%inclusion2 decks7 decks
15%synergy
Akroma's Memorial
29%inclusion2 decks7 decks
28%synergy
Sting, the Glinting Dagger
29%inclusion2 decks7 decks
27%synergy
Swiftfoot Boots
29%inclusion2 decks7 decks
-3%synergy
Wayfarer's Bauble
14%inclusion1 decks7 decks
-1%synergy
Coat of Arms
14%inclusion1 decks7 decks
12%synergy
Banner of Kinship
14%inclusion1 decks7 decks
12%synergy
Expedition Map
14%inclusion1 decks7 decks
2%synergy
Magewright's Stone
14%inclusion1 decks7 decks
13%synergy
Urza's Incubator
14%inclusion1 decks7 decks
12%synergy
Altar of the Brood
14%inclusion1 decks7 decks
12%synergy
Commander's Plate
14%inclusion1 decks7 decks
8%synergy
The Darkness Crystal
14%inclusion1 decks7 decks
-6%synergy
Enchantments
Phyrexian Arena
43%inclusion3 decks7 decks
3%synergy
The Meathook Massacre
29%inclusion2 decks7 decks
11%synergy
Black Market
29%inclusion2 decks7 decks
8%synergy
Grave Pact
29%inclusion2 decks7 decks
9%synergy
Dictate of Erebos
29%inclusion2 decks7 decks
18%synergy
No Mercy
29%inclusion2 decks7 decks
21%synergy
Haunted One
14%inclusion1 decks7 decks
12%synergy
Gate to Phyrexia
14%inclusion1 decks7 decks
14%synergy
Cover of Darkness
14%inclusion1 decks7 decks
11%synergy
Planeswalkers
Liliana of the Dark Realms
43%inclusion3 decks7 decks
29%synergy
Liliana, Dreadhorde General
14%inclusion1 decks7 decks
1%synergy
Utility Lands
Cabal Coffers
100%inclusion7 decks7 decks
45%synergy
Urborg, Tomb of Yawgmoth
100%inclusion7 decks7 decks
62%synergy
Phyrexian Tower
71%inclusion5 decks7 decks
46%synergy
Takenuma, Abandoned Mire
57%inclusion4 decks7 decks
42%synergy
Bojuka Bog
43%inclusion3 decks7 decks
-4%synergy
Shizo, Death's Storehouse
29%inclusion2 decks7 decks
18%synergy
Cabal Stronghold
29%inclusion2 decks7 decks
-6%synergy
Buried Ruin
29%inclusion2 decks7 decks
23%synergy
Urza's Saga
29%inclusion2 decks7 decks
21%synergy
Crypt of Agadeem
29%inclusion2 decks7 decks
17%synergy
Deserted Temple
29%inclusion2 decks7 decks
24%synergy
Mudflat Village
29%inclusion2 decks7 decks
26%synergy
Reliquary Tower
29%inclusion2 decks7 decks
-2%synergy
Susur Secundi, Void Altar
29%inclusion2 decks7 decks
21%synergy
Mortuary Mire
14%inclusion1 decks7 decks
1%synergy
Barren Moor
14%inclusion1 decks7 decks
5%synergy
Vesuva
14%inclusion1 decks7 decks
11%synergy
War Room
14%inclusion1 decks7 decks
-2%synergy
Volrath's Stronghold
14%inclusion1 decks7 decks
11%synergy
Mikokoro, Center of the Sea
14%inclusion1 decks7 decks
12%synergy
Lake of the Dead
14%inclusion1 decks7 decks
9%synergy
Castle Locthwain
14%inclusion1 decks7 decks
-3%synergy
Petrified Field
14%inclusion1 decks7 decks
14%synergy
Leechridden Swamp
14%inclusion1 decks7 decks
12%synergy
Mana Artifacts
Sol Ring
86%inclusion6 decks7 decks
0%synergy
Arcane Signet
57%inclusion4 decks7 decks
-5%synergy
Gauntlet of Power
29%inclusion2 decks7 decks
25%synergy
Patriar's Seal
29%inclusion2 decks7 decks
26%synergy
Mind Stone
29%inclusion2 decks7 decks
0%synergy
Sceptre of Eternal Glory
29%inclusion2 decks7 decks
20%synergy
The Soul Stone
29%inclusion2 decks7 decks
14%synergy
Charcoal Diamond
14%inclusion1 decks7 decks
-8%synergy
Throne of Eldraine
14%inclusion1 decks7 decks
4%synergy
Thought Vessel
14%inclusion1 decks7 decks
-11%synergy
Lands
Swamp
86%inclusion6 decks7 decks
-9%synergy
Cavern of Souls
71%inclusion5 decks7 decks
65%synergy
Urza's Cave
43%inclusion3 decks7 decks
35%synergy
Malakir Rebirth
43%inclusion3 decks7 decks
20%synergy
Fell the Profane
29%inclusion2 decks7 decks
10%synergy
Myriad Landscape
29%inclusion2 decks7 decks
3%synergy
Agadeem's Awakening
29%inclusion2 decks7 decks
21%synergy
Hagra Mauling
14%inclusion1 decks7 decks
10%synergy
Prismatic Vista
14%inclusion1 decks7 decks
12%synergy
Verdant Catacombs
14%inclusion1 decks7 decks
11%synergy
Boggart Trawler
14%inclusion1 decks7 decks
5%synergy
Path of Ancestry
14%inclusion1 decks7 decks
9%synergy
Gemstone Caverns
14%inclusion1 decks7 decks
10%synergy
Snow-Covered Swamp
14%inclusion1 decks7 decks
8%synergy
Marsh Flats
14%inclusion1 decks7 decks
11%synergy
Bloodstained Mire
14%inclusion1 decks7 decks
11%synergy