Grenzo, Dungeon Warden (Commander) - Relentless Rats

Grenzo, Dungeon Warden
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Background image for Five Painfully Simple Ways to Play Weird Rakdos
Arnaud Gompertz
Oct 29, 2025
Arnaud Gompertz
Five Painfully Simple Ways to Play Weird Rakdos
Arnaud continues his Branching Out series by looking at some off-kilter ideas for brewing fun decks in Rakdos (black and red).
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Relentless Rats
100%inclusion47 decks47 decks
100%synergy
Thrumming Stone
70%inclusion33 decks47 decks
70%synergy
Heartstone
68%inclusion32 decks47 decks
66%synergy
Piper of the Swarm
55%inclusion26 decks47 decks
54%synergy
Braid of Fire
55%inclusion26 decks47 decks
54%synergy
Marrow-Gnawer
53%inclusion25 decks47 decks
53%synergy
Tomb Trawler
49%inclusion17 decks35 decks
48%synergy
The Cauldron of Eternity
49%inclusion23 decks47 decks
48%synergy
Hoverstone Pilgrim
45%inclusion21 decks47 decks
44%synergy
Mana Echoes
43%inclusion20 decks47 decks
42%synergy
Top Cards
Gray Merchant of Asphodel
40%inclusion19 decks47 decks
30%synergy
Patriarch's Bidding
38%inclusion18 decks47 decks
36%synergy
Crypt Ghast
36%inclusion17 decks47 decks
33%synergy
Crucible of Worlds
34%inclusion16 decks47 decks
33%synergy
Bronze Walrus
34%inclusion16 decks47 decks
34%synergy
Ogre Slumlord
32%inclusion15 decks47 decks
30%synergy
Teferi's Puzzle Box
32%inclusion15 decks47 decks
31%synergy
Palladium Myr
32%inclusion15 decks47 decks
31%synergy
Karumonix, the Rat King
32%inclusion15 decks47 decks
31%synergy
Anger
32%inclusion15 decks47 decks
19%synergy
Game Changers
Ancient Tomb
21%inclusion10 decks47 decks
12%synergy
Demonic Tutor
19%inclusion9 decks47 decks
1%synergy
Jeska's Will
17%inclusion8 decks47 decks
-7%synergy
Vampiric Tutor
17%inclusion8 decks47 decks
3%synergy
Bolas's Citadel
8.5%inclusion4 decks47 decks
-2%synergy
Creatures
Weftstalker Ardent
100%inclusion1 decks1 decks
97%synergy
Solemn Simulacrum
28%inclusion13 decks47 decks
6%synergy
Junktroller
28%inclusion13 decks47 decks
27%synergy
Leaden Myr
26%inclusion12 decks47 decks
23%synergy
Barkform Harvester
25%inclusion5 decks20 decks
24%synergy
Iron Myr
21%inclusion10 decks47 decks
19%synergy
Ornithopter of Paradise
17%inclusion8 decks47 decks
13%synergy
Ashcoat of the Shadow Swarm
17%inclusion8 decks47 decks
17%synergy
Totentanz, Swarm Piper
17%inclusion8 decks47 decks
16%synergy
Priest of Gix
17%inclusion8 decks47 decks
15%synergy
Ayara, First of Locthwain
15%inclusion7 decks47 decks
13%synergy
Tuktuk Rubblefort
15%inclusion7 decks47 decks
14%synergy
Pack Rat
13%inclusion6 decks47 decks
12%synergy
Pitiless Plunderer
13%inclusion6 decks47 decks
0%synergy
Priest of Urabrask
13%inclusion6 decks47 decks
11%synergy
Molten Gatekeeper
12%inclusion3 decks25 decks
9%synergy
Imperial Recruiter
11%inclusion5 decks47 decks
6%synergy
Species Specialist
11%inclusion5 decks47 decks
10%synergy
Burnished Hart
11%inclusion5 decks47 decks
5%synergy
Goblin Welder
11%inclusion5 decks47 decks
8%synergy
Ratcatcher
11%inclusion5 decks47 decks
10%synergy
Viscera Seer
11%inclusion5 decks47 decks
1%synergy
Agate Instigator
11%inclusion2 decks19 decks
7%synergy
Valley Rotcaller
10%inclusion2 decks20 decks
9%synergy
General Kreat, the Boltbringer
9.1%inclusion1 decks11 decks
8%synergy
Tinybones, Bauble Burglar
9.1%inclusion1 decks11 decks
8%synergy
Crypt Rats
8.5%inclusion4 decks47 decks
8%synergy
Blood Artist
8.5%inclusion4 decks47 decks
-10%synergy
Dockside Extortionist
8.5%inclusion4 decks47 decks
5%synergy
Zulaport Cutthroat
8.5%inclusion4 decks47 decks
0%synergy
Tattered Ratter
8.5%inclusion4 decks47 decks
8%synergy
Workhorse
8.5%inclusion4 decks47 decks
8%synergy
Goblin Engineer
8.5%inclusion4 decks47 decks
4%synergy
K'rrik, Son of Yawgmoth
8.5%inclusion4 decks47 decks
5%synergy
Epitaph Golem
8.5%inclusion4 decks47 decks
8%synergy
Duplicant
8.5%inclusion4 decks47 decks
8%synergy
Herald of Leshrac
8.5%inclusion4 decks47 decks
8%synergy
The Lord of Pain
8.3%inclusion1 decks12 decks
-2%synergy
Accursed Marauder
8.0%inclusion2 decks25 decks
2%synergy
Boggart Trawler
7.7%inclusion2 decks26 decks
1%synergy
Hedron Crawler
6.4%inclusion3 decks47 decks
6%synergy
Chainer, Nightmare Adept
6.4%inclusion3 decks47 decks
-2%synergy
Lord Skitter's Butcher
6.4%inclusion3 decks47 decks
6%synergy
Disciple of Bolas
6.4%inclusion3 decks47 decks
4%synergy
Manakin
6.4%inclusion3 decks47 decks
6%synergy
Meteor Golem
6.4%inclusion3 decks47 decks
4%synergy
Alloy Myr
6.4%inclusion3 decks47 decks
6%synergy
Instants
Valakut Awakening
36%inclusion17 decks47 decks
28%synergy
Fire Prophecy
28%inclusion13 decks47 decks
27%synergy
Bedevil
28%inclusion13 decks47 decks
-8%synergy
Chaos Warp
26%inclusion12 decks47 decks
-23%synergy
Volcanic Spite
26%inclusion12 decks47 decks
25%synergy
Terminate
26%inclusion12 decks47 decks
-14%synergy
Dark Ritual
21%inclusion10 decks47 decks
-20%synergy
Deadly Rollick
17%inclusion8 decks47 decks
-4%synergy
Deflecting Swat
15%inclusion7 decks47 decks
-5%synergy
Fell the Profane
11%inclusion3 decks27 decks
-1%synergy
Malakir Rebirth
11%inclusion5 decks47 decks
-5%synergy
Withering Torment
8.3%inclusion1 decks12 decks
-14%synergy
Rakdos Charm
6.4%inclusion3 decks47 decks
-37%synergy
Sorceries
Echoing Return
26%inclusion12 decks47 decks
25%synergy
Feed the Swarm
23%inclusion11 decks47 decks
-19%synergy
Blasphemous Act
23%inclusion11 decks47 decks
-28%synergy
Living Death
19%inclusion9 decks47 decks
15%synergy
Vandalblast
17%inclusion8 decks47 decks
-14%synergy
Toxic Deluge
17%inclusion8 decks47 decks
-1%synergy
Read the Bones
15%inclusion7 decks47 decks
2%synergy
Faithless Looting
13%inclusion6 decks47 decks
-16%synergy
Song of Totentanz
13%inclusion6 decks47 decks
10%synergy
Grim Tutor
13%inclusion6 decks47 decks
8%synergy
Into the Fire
13%inclusion6 decks47 decks
12%synergy
Sundering Eruption
11%inclusion3 decks27 decks
6%synergy
Kindred Dominance
11%inclusion5 decks47 decks
8%synergy
Diabolic Intent
8.5%inclusion4 decks47 decks
0%synergy
Diabolic Tutor
8.5%inclusion4 decks47 decks
2%synergy
Damnation
8.5%inclusion4 decks47 decks
1%synergy
Kindred Charge
8.5%inclusion4 decks47 decks
8%synergy
Haunting Voyage
6.4%inclusion3 decks47 decks
6%synergy
Night's Whisper
6.4%inclusion3 decks47 decks
-13%synergy
Mana Geyser
6.4%inclusion3 decks47 decks
-6%synergy
Utility Artifacts
Crystal Ball
28%inclusion13 decks47 decks
27%synergy
Lightning Greaves
28%inclusion13 decks47 decks
-7%synergy
Illusionist's Bracers
26%inclusion12 decks47 decks
25%synergy
Mirror Box
26%inclusion12 decks47 decks
22%synergy
Ashnod's Altar
21%inclusion10 decks47 decks
10%synergy
Coat of Arms
21%inclusion10 decks47 decks
21%synergy
Reito Lantern
19%inclusion9 decks47 decks
19%synergy
Vanquisher's Banner
17%inclusion8 decks47 decks
14%synergy
Swiftfoot Boots
17%inclusion8 decks47 decks
-15%synergy
Desecrated Tomb
13%inclusion6 decks47 decks
12%synergy
Herald's Horn
13%inclusion6 decks47 decks
8%synergy
Wayfarer's Bauble
11%inclusion5 decks47 decks
-4%synergy
Darksteel Pendant
11%inclusion5 decks47 decks
10%synergy
Jet Medallion
11%inclusion5 decks47 decks
4%synergy
Expedition Map
8.5%inclusion4 decks47 decks
7%synergy
Elixir of Immortality
6.4%inclusion3 decks47 decks
6%synergy
Whip of Erebos
6.4%inclusion3 decks47 decks
0%synergy
Skullclamp
6.4%inclusion3 decks47 decks
-3%synergy
Cloak and Dagger
6.4%inclusion3 decks47 decks
6%synergy
Tel-Jilad Stylus
6.4%inclusion3 decks47 decks
6%synergy
Akroma's Memorial
6.4%inclusion3 decks47 decks
6%synergy
Enchantments
Black Market
23%inclusion11 decks47 decks
18%synergy
Shared Animosity
21%inclusion10 decks47 decks
18%synergy
Impact Tremors
17%inclusion8 decks47 decks
6%synergy
Phyrexian Arena
17%inclusion8 decks47 decks
-7%synergy
Fervor
15%inclusion7 decks47 decks
14%synergy
Warstorm Surge
11%inclusion5 decks47 decks
6%synergy
Mindmoil
8.5%inclusion4 decks47 decks
8%synergy
Cover of Darkness
8.5%inclusion4 decks47 decks
8%synergy
Fires of Invention
6.4%inclusion3 decks47 decks
6%synergy
Rising of the Day
6.4%inclusion3 decks47 decks
1%synergy
Mirror March
6.4%inclusion3 decks47 decks
4%synergy
Utility Lands
Nykthos, Shrine to Nyx
43%inclusion20 decks47 decks
41%synergy
Urborg, Tomb of Yawgmoth
38%inclusion18 decks47 decks
19%synergy
Cabal Coffers
30%inclusion14 decks47 decks
20%synergy
Zhalfirin Void
28%inclusion13 decks47 decks
26%synergy
Swarmyard
23%inclusion11 decks47 decks
23%synergy
Buried Ruin
21%inclusion10 decks47 decks
18%synergy
Bojuka Bog
19%inclusion9 decks47 decks
-16%synergy
Cabal Stronghold
15%inclusion7 decks47 decks
14%synergy
Phyrexian Tower
13%inclusion6 decks47 decks
2%synergy
Isolated Watchtower
13%inclusion6 decks47 decks
13%synergy
Crypt of Agadeem
11%inclusion5 decks47 decks
10%synergy
Reliquary Tower
11%inclusion5 decks47 decks
-7%synergy
Temple of the False God
11%inclusion5 decks47 decks
1%synergy
Command Beacon
6.4%inclusion3 decks47 decks
0%synergy
Inventors' Fair
6.4%inclusion3 decks47 decks
5%synergy
Three Tree City
5.0%inclusion1 decks20 decks
2%synergy
Mana Artifacts
Sol Ring
77%inclusion36 decks47 decks
-10%synergy
Arcane Signet
51%inclusion24 decks47 decks
-32%synergy
Thran Turbine
40%inclusion19 decks47 decks
40%synergy
Rakdos Signet
38%inclusion18 decks47 decks
-22%synergy
Talisman of Indulgence
23%inclusion11 decks47 decks
-32%synergy
Mana Crypt
17%inclusion8 decks47 decks
15%synergy
Nyx Lotus
15%inclusion7 decks47 decks
15%synergy
Fellwar Stone
8.5%inclusion4 decks47 decks
-26%synergy
Everflowing Chalice
6.4%inclusion3 decks47 decks
3%synergy
Commander's Sphere
6.4%inclusion3 decks47 decks
-12%synergy
Throne of Eldraine
6.4%inclusion3 decks47 decks
6%synergy
Mox Amber
6.4%inclusion3 decks47 decks
2%synergy
Thought Vessel
6.4%inclusion3 decks47 decks
-12%synergy
Thran Dynamo
6.4%inclusion3 decks47 decks
2%synergy
Mind Stone
6.4%inclusion3 decks47 decks
-24%synergy
Patchwork Banner
5.0%inclusion1 decks20 decks
1%synergy
Lands
Swamp
100%inclusion47 decks47 decks
2%synergy
Mountain
96%inclusion45 decks47 decks
-2%synergy
Command Tower
74%inclusion35 decks47 decks
-12%synergy
Blood Crypt
62%inclusion29 decks47 decks
17%synergy
Smoldering Marsh
60%inclusion28 decks47 decks
-4%synergy
Dragonskull Summit
60%inclusion28 decks47 decks
-3%synergy
Temple of Malice
49%inclusion23 decks47 decks
15%synergy
Luxury Suite
45%inclusion21 decks47 decks
6%synergy
Tainted Peak
38%inclusion18 decks47 decks
-4%synergy
Sulfurous Springs
38%inclusion18 decks47 decks
-8%synergy
Graven Cairns
36%inclusion17 decks47 decks
7%synergy
Valakut Awakening
36%inclusion17 decks47 decks
28%synergy
Bloodstained Mire
32%inclusion15 decks47 decks
-1%synergy
Foreboding Ruins
28%inclusion13 decks47 decks
-18%synergy
Blightstep Pathway
28%inclusion13 decks47 decks
5%synergy
Crystal Grotto
28%inclusion13 decks47 decks
27%synergy
Shadowblood Ridge
26%inclusion12 decks47 decks
-10%synergy
Haunted Ridge
23%inclusion11 decks47 decks
-12%synergy
Badlands
19%inclusion9 decks47 decks
6%synergy
Raucous Theater
17%inclusion8 decks47 decks
-4%synergy
Canyon Slough
17%inclusion8 decks47 decks
-2%synergy
Myriad Landscape
17%inclusion8 decks47 decks
-3%synergy
Blazemire Verge
17%inclusion2 decks12 decks
-14%synergy
Rakdos Carnarium
15%inclusion7 decks47 decks
-18%synergy
Exotic Orchard
13%inclusion6 decks47 decks
-19%synergy
The Grey Havens
13%inclusion6 decks47 decks
12%synergy
Evolving Wilds
13%inclusion6 decks47 decks
-9%synergy
Fell the Profane
11%inclusion3 decks27 decks
-1%synergy
Sundering Eruption
11%inclusion3 decks27 decks
6%synergy
Blackcleave Cliffs
11%inclusion5 decks47 decks
-9%synergy
Malakir Rebirth
11%inclusion5 decks47 decks
-5%synergy
Opal Palace
11%inclusion5 decks47 decks
9%synergy
Path of Ancestry
8.5%inclusion4 decks47 decks
-7%synergy
Polluted Delta
8.5%inclusion4 decks47 decks
0%synergy
Boggart Trawler
7.7%inclusion2 decks26 decks
1%synergy
Terramorphic Expanse
6.4%inclusion3 decks47 decks
-10%synergy
Bloodfell Caves
6.4%inclusion3 decks47 decks
-13%synergy
Marsh Flats
6.4%inclusion3 decks47 decks
-2%synergy
Geothermal Bog
6.4%inclusion3 decks47 decks
-3%synergy
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