What are the best cards for Rat King, Verminister?

Across 27 Arena Brawl decks, the most-played cards with Rat King, Verminister are Rat Colony (93%), Marrow-Gnawer (89%) and Piper of the Swarm (81%).

Which cards have the best synergy with Rat King, Verminister?

The cards played far more often with Rat King, Verminister than usual: Gathering Stone (21× its usual rate), Ashcoat of the Shadow Swarm (18× its usual rate) and Karumonix, the Rat King (18× its usual rate).

What colors is Rat King, Verminister?

Rat King, Verminister is mono-black, so its deck can only run cards within that color identity.

Rat King, Verminister

BMono-black commanders27 Arena Brawl decks

Legendary Creature — Rat Avatar1B$0.67

Rat King, Verminister appears in 27 Arena Brawl decks. The most-played cards are Rat Colony, Marrow-Gnawer and Piper of the Swarm. The strongest synergies by lift are Gathering Stone, Ashcoat of the Shadow Swarm and Karumonix, the Rat King.

Build a deck with Rat King, Verminister

Commander Brawl

Top cards

#1Rat Colony

Creature — Rat

1B2

92.6%

25 decks+2.50$5.68

#2Marrow-Gnawer

Legendary Creature — Rat Rogue

3BB5

88.9%

24 decks+2.83$32.17

#3Piper of the Swarm

Creature — Human Warlock

1B2

81.5%

22 decks+2.45$2.24

#4Karumonix, the Rat King

Legendary Creature — Phyrexian Rat

1BB3

77.8%

21 decks+2.90$1.08

#5Lord Skitter, Sewer King

Legendary Creature — Rat Noble

2B3

77.8%

21 decks+1.46$4.26

#6Jet Medallion

Artifact

66.7%

18 decks+0.11$13.90

#7Phyrexian Tower

Legendary Land

66.7%

18 decks+0.34$30.43

#8Ashcoat of the Shadow Swarm

Legendary Creature — Rat Warlock

3B4

63.0%

17 decks+2.91$36.81

#9Dark Ritual

Instant

63.0%

17 decks-0.23$5.41

#10Pack Rat

Creature — Rat

1B2

63.0%

17 decks+2.49$3.09

#11Three Tree City

Legendary Land

59.3%

16 decks+2.33$29.34

#12Cavern of Souls

Land

55.6%

15 decks+0.44$51.11

#13Bontu's Monument

Legendary Artifact

51.8%

14 decks+0.87$4.58

#14Chronicle of Victory

Legendary Artifact

48.1%

13 decks+2.86$22.67

#15Herald's Horn

Artifact

48.1%

13 decks+2.36$5.63

#16Revenge of the Rats

Sorcery

2BB4

48.1%

13 decks+2.77$0.27

#17Valley Rotcaller

Creature — Squirrel Warlock

1B2

48.1%

13 decks+2.64$2.47

#18Nykthos, Shrine to Nyx

Legendary Land

44.4%

12 decks-0.10$40.09

#19Swarmyard

Land

44.4%

12 decks+2.38$5.36

#20Takenuma, Abandoned Mire

Legendary Land

44.4%

12 decks-0.00$11.17

#21Black Market Connections

Enchantment

2B3

40.7%

11 decks-0.05$13.90

#22Bloodstained Mire

Land

40.7%

11 decks+0.73$18.64

#23Marsh Flats

Land

40.7%

11 decks+0.85$32.14

#24Polluted Delta

Land

40.7%

11 decks+0.77$19.95

#25Prismatic Vista

Land

40.7%

11 decks+1.31$30.18

#26Rat King, Pale Piper

Legendary Creature — Rat Avatar

3B4

40.7%

11 decks+2.86$0.32

#27Urborg, Tomb of Yawgmoth

Legendary Land

40.7%

11 decks+0.03$53.68

#28Verdant Catacombs

Land

40.7%

11 decks+0.84$29.39

#29Arcane Signet

Artifact

37.0%

10 decks-0.52$0.41

#30Bitter Triumph

Instant

1B2

37.0%

10 decks-0.42$0.29

#31Bojuka Bog

Land

37.0%

10 decks-0.10$1.64

#32Cabal Stronghold

Land

37.0%

10 decks-0.19$13.84

#33Castle Locthwain

Land

37.0%

10 decks-0.33$4.31

#34Deadly Dispute

Instant

1B2

37.0%

10 decks+0.30$0.46

#35Echoing Return

Sorcery

37.0%

10 decks+2.34$0.26

#36Gathering Stone

Artifact

37.0%

10 decks+3.03$0.46

#37Ogre Slumlord

Creature — Ogre Rogue

3BB5

37.0%

10 decks+2.65$0.37

#38Persistent Marshstalker

Creature — Rat Berserker

1B2

37.0%

10 decks+2.19$0.27

#39Village Rites

Instant

37.0%

10 decks+0.62$0.76

#40Burglar Rat

Creature — Rat

1B2

33.3%

9 decks+1.05$0.28

#41Fatal Push

Instant

33.3%

9 decks-0.29$0.78

#42Fell the Profane // Fell Mire

Instant // Land

2BB4

33.3%

9 decks-0.22$5.33

#43Phyrexian Arena

Enchantment

1BB3

33.3%

9 decks-0.27$3.93

#44Spymaster's Vault

Land

33.3%

9 decks+0.87$2.22

#45Vanquisher's Banner

Artifact

33.3%

9 decks+2.54$4.89

#46Corrupted Conviction

Instant

29.6%

8 decks+0.71$0.35

#47Feed the Swarm

Sorcery

1B2

29.6%

8 decks-0.43$0.35

#48Gnawing Vermin

Creature — Rat

29.6%

8 decks+2.08$0.26

#49Grave Pact

Enchantment

1BBB4

29.6%

8 decks+0.21$30.44

#50Lord Skitter's Butcher

Creature — Rat Peasant

2B3

29.6%

8 decks+2.15$0.31

#51Mudflat Village

Land

29.6%

8 decks+2.19$0.34

#52Patchwork Banner

Artifact

29.6%

8 decks+1.66$3.02

#53Reanimate

Sorcery

29.6%

8 decks-0.63$10.40

#54Ayara, First of Locthwain

Legendary Creature — Elf Noble

BBB3

25.9%

7 decks+0.10$7.02

#55Go for the Throat

Instant

1B2

25.9%

7 decks-0.38$0.64

#56Malakir Rebirth // Malakir Mire

Instant // Land

25.9%

7 decks-0.43$13.55

#57The Soul Stone

Legendary Artifact — Infinity Stone

1B2

25.9%

7 decks-0.50$88.47

#58Thoughtseize

Sorcery

25.9%

7 decks-0.67$7.98

#59Typhoid Rats

Creature — Rat

25.9%

7 decks+1.52$0.24

#60Voracious Vermin

Creature — Rat

2B3

25.9%

7 decks+2.06$0.33

Highest synergy

#1Gathering Stone

Artifact

10 decks+3.03

In 37% of these decks, 21× its usual rate.

#2Ashcoat of the Shadow Swarm

Legendary Creature — Rat Warlock

3B4

17 decks+2.91

In 63% of these decks, 18× its usual rate.

#3Karumonix, the Rat King

Legendary Creature — Phyrexian Rat

1BB3

21 decks+2.90

In 78% of these decks, 18× its usual rate.

#4Chronicle of Victory

Legendary Artifact

13 decks+2.86

In 48% of these decks, 17× its usual rate.

#5Rat King, Pale Piper

Legendary Creature — Rat Avatar

3B4

11 decks+2.86

In 41% of these decks, 17× its usual rate.

#6Marrow-Gnawer

Legendary Creature — Rat Rogue

3BB5

24 decks+2.83

In 89% of these decks, 17× its usual rate.

#7Revenge of the Rats

Sorcery

2BB4

13 decks+2.77

In 48% of these decks, 16× its usual rate.

#8Ogre Slumlord

Creature — Ogre Rogue

3BB5

10 decks+2.65

In 37% of these decks, 14× its usual rate.

#9Valley Rotcaller

Creature — Squirrel Warlock

1B2

13 decks+2.64

In 48% of these decks, 14× its usual rate.

#10Relentless Rats

Creature — Rat

1BB3

4 decks+2.60

In 15% of these decks, 13× its usual rate.

#11Vanquisher's Banner

Artifact

9 decks+2.54

In 33% of these decks, 13× its usual rate.

#12Rat Colony

Creature — Rat

1B2

25 decks+2.50

In 93% of these decks, 12× its usual rate.

Average Brawl deck

The most-included cards across 27 public Arena Brawl decks for Rat King, Verminister, filled to 100 with basics in their average ratio. A starting point to import and tune, not a tested list. Updated 2026-10-21.

Wildcards to craft it (approx.): 5 mythic · 25 rare · 11 uncommon · 31 common

The list (100 cards)

Commander (1)

Rat King, Verminister

Creatures (36)

24Rat Colony
1Marrow-Gnawer
1Piper of the Swarm
1Karumonix, the Rat King
1Lord Skitter, Sewer King
1Ashcoat of the Shadow Swarm
1Pack Rat
1Valley Rotcaller
1Rat King, Pale Piper
1Ogre Slumlord
1Persistent Marshstalker
1Burglar Rat
1Gnawing Vermin

Instants (7)

1Dark Ritual
1Bitter Triumph
1Deadly Dispute
1Village Rites
1Fatal Push
1Fell the Profane // Fell Mire
1Corrupted Conviction

Sorceries (3)

1Revenge of the Rats
1Echoing Return
1Feed the Swarm

Artifacts (7)

1Jet Medallion
1Bontu's Monument
1Chronicle of Victory
1Herald's Horn
1Arcane Signet
1Gathering Stone
1Vanquisher's Banner

Enchantments (3)

1Black Market Connections
1Phyrexian Arena
1Grave Pact

Lands (43)

1Phyrexian Tower
1Three Tree City
1Cavern of Souls
1Nykthos, Shrine to Nyx
1Swarmyard
1Takenuma, Abandoned Mire
1Bloodstained Mire
1Marsh Flats
1Polluted Delta
1Prismatic Vista
1Urborg, Tomb of Yawgmoth
1Verdant Catacombs
1Bojuka Bog
1Cabal Stronghold
1Castle Locthwain
1Spymaster's Vault
27Swamp

Win rates by rank for Arena Brawl decks: Brawl decks on Untapped.gg.

Questions about Rat King, Verminister

What are the best cards for Rat King, Verminister?: Across 27 Arena Brawl decks, the most-played cards with Rat King, Verminister are Rat Colony (93%), Marrow-Gnawer (89%) and Piper of the Swarm (81%).
Which cards have the best synergy with Rat King, Verminister?: The cards played far more often with Rat King, Verminister than usual: Gathering Stone (21× its usual rate), Ashcoat of the Shadow Swarm (18× its usual rate) and Karumonix, the Rat King (18× its usual rate).
What colors is Rat King, Verminister?: Rat King, Verminister is mono-black, so its deck can only run cards within that color identity.