Marrow-Gnawer + Ashnod's Altar + Sword of the Paruns

Marrow-Gnawer
Ashnod's Altar
Sword of the Paruns

Requires
Marrow-Gnawer must be on the battlefield. Ashnod's Altar must be on the battlefield. Sword of the Paruns must be on the battlefield. Sword of Paruns attached to Marrow-Gnawer. Marrow-Gnawer does not have summoning sickness. You control at least three additional Rats.
Steps
  1. Activate Marrow-Gnawer by tapping it and sacrificing another Rat, creating at least three 1/1 Rat creature tokens.
  2. Activate Ashnod's Altar twice by sacrificing two Rat tokens, adding .
  3. Activate Sword of Paruns by paying 3, untapping Marrow-Gnawer.
  4. Repeat.
Results
Infinite colorless mana. Infinite creature tokens. Infinite death triggers. Infinite ETB. Infinite LTB. Infinite sacrifice triggers.

Marrow-Gnawer
1.53% of 8699 decks 133 decks
Ashcoat of the Shadow Swarm
0.36% of 3093 decks 11 decks
New Cards
Swarmyard Massacre
86% of 7 decks +79% synergy
Valley Rotcaller
80% of 15 decks +76% synergy
Persistent Marshstalker
75% of 12 decks +73% synergy
Three Tree City
67% of 15 decks +52% synergy
Patchwork Banner
67% of 12 decks +51% synergy
High Synergy Cards
Piper of the Swarm
79% of 173 decks +79% synergy
Karumonix, the Rat King
79% of 133 decks +78% synergy
Cultivate
100% of 5 decks +78% synergy
Vault of the Archangel
80% of 5 decks +78% synergy
Pack Rat
76% of 173 decks +75% synergy
Lord Skitter, Sewer King
75% of 84 decks +74% synergy
Thornbite Staff
73% of 173 decks +72% synergy
Ayara, First of Locthwain
73% of 173 decks +71% synergy
Ogre Slumlord
71% of 173 decks +69% synergy
Rat Colony
65% of 173 decks +65% synergy
Top Cards
Rampant Growth
80% of 5 decks +64% synergy
Skullclamp
71% of 173 decks +58% synergy
Dark Ritual
64% of 173 decks +53% synergy
Bontu's Monument
57% of 173 decks +55% synergy
Arcane Denial
56% of 9 decks +46% synergy
Counterspell
56% of 9 decks +35% synergy
Ashcoat of the Shadow Swarm
54% of 144 decks +54% synergy
Mirkwood Bats
54% of 96 decks +48% synergy
Ratcatcher
52% of 173 decks +52% synergy
Voracious Vermin
51% of 76 decks +51% synergy
Creatures
Blood Artist
49% of 173 decks +43% synergy
Species Specialist
48% of 172 decks +47% synergy
Tangled Colony
45% of 84 decks +45% synergy
Crypt Rats
45% of 173 decks +45% synergy
Lord Skitter's Butcher
41% of 85 decks +41% synergy
Ink-Eyes, Servant of Oni
41% of 173 decks +40% synergy
Swarm of Rats
39% of 173 decks +39% synergy
Nashi, Moon Sage's Scion
39% of 164 decks +38% synergy
Gnat Miser
36% of 173 decks +36% synergy
Zulaport Cutthroat
36% of 173 decks +31% synergy
Typhoid Rats
35% of 173 decks +34% synergy
Throat Slitter
34% of 173 decks +33% synergy
Crypt Ghast
32% of 173 decks +29% synergy
Burglar Rat
30% of 173 decks +29% synergy
Chittering Witch
29% of 173 decks +29% synergy
Old Flitterfang
29% of 65 decks +29% synergy
Nezumi Graverobber
27% of 173 decks +27% synergy
Roaming Throne
27% of 48 decks +16% synergy
Twisted Sewer-Witch
26% of 84 decks +26% synergy
Locust Miser
26% of 173 decks +26% synergy
Pestilence Rats
26% of 173 decks +26% synergy
Wave of Rats
25% of 162 decks +25% synergy
Rancid Rats
23% of 173 decks +23% synergy
Stronghold Rats
20% of 173 decks +19% synergy
Blightbelly Rat
20% of 112 decks +18% synergy
Nezumi Bone-Reader
19% of 173 decks +19% synergy
Gray Merchant of Asphodel
19% of 173 decks +14% synergy
Nezumi Informant
19% of 100 decks +18% synergy
Crashing Drawbridge
18% of 173 decks +16% synergy
Pitiless Plunderer
17% of 173 decks +13% synergy
Relentless Rats
16% of 173 decks +15% synergy
Ravenous Rats
16% of 173 decks +15% synergy
Gnawing Vermin
15% of 146 decks +15% synergy
Refurbished Familiar
15% of 20 decks +14% synergy
Accursed Marauder
15% of 20 decks +9% synergy
Okiba-Gang Shinobi
14% of 173 decks +14% synergy
Magus of the Coffers
14% of 173 decks +13% synergy
Drainpipe Vermin
13% of 173 decks +13% synergy
Skullsnatcher
13% of 173 decks +13% synergy
Braids, Arisen Nightmare
13% of 156 decks +9% synergy
Nezumi Shortfang
12% of 173 decks +12% synergy
Nezumi Prowler
12% of 164 decks +11% synergy
Ichor Rats
12% of 173 decks +11% synergy
Adaptive Automaton
11% of 173 decks +10% synergy
Ruin Rat
10% of 173 decks +10% synergy
Syr Konrad, the Grim
10% of 173 decks +6% synergy
Rotting Rats
10% of 173 decks +10% synergy
Metallic Mimic
10% of 173 decks +8% synergy
Patron of the Nezumi
9% of 173 decks +9% synergy
Viscera Seer
9% of 173 decks +4% synergy
Instants
Sultai Charm
60% of 5 decks +59% synergy
Tear Asunder
60% of 5 decks +59% synergy
Swords to Plowshares
60% of 5 decks +31% synergy
Negate
44% of 9 decks +33% synergy
Rakdos Charm
43% of 7 decks +40% synergy
Chaos Warp
43% of 7 decks +27% synergy
Village Rites
42% of 172 decks +37% synergy
Vampiric Tutor
39% of 173 decks +29% synergy
Tainted Indulgence
38% of 8 decks +37% synergy
Otherworldly Gaze
38% of 8 decks +37% synergy
Frantic Search
33% of 9 decks +27% synergy
Deadly Dispute
29% of 168 decks +23% synergy
Consuming Corruption
26% of 23 decks +25% synergy
Foul-Tongue Shriek
25% of 173 decks +25% synergy
Corrupted Conviction
24% of 101 decks +21% synergy
Defile
24% of 173 decks +22% synergy
Go for the Throat
20% of 173 decks +17% synergy
Infernal Grasp
20% of 167 decks +16% synergy
Tragic Slip
19% of 173 decks +17% synergy
Deadly Rollick
17% of 172 decks +12% synergy
Murder
16% of 173 decks +14% synergy
Flare of Malice
16% of 25 decks +14% synergy
Doom Blade
16% of 173 decks +15% synergy
Culling the Weak
14% of 173 decks +12% synergy
Sudden Spoiling
13% of 173 decks +12% synergy
Bitter Triumph
13% of 39 decks +10% synergy
Hero's Downfall
12% of 173 decks +11% synergy
Plumb the Forbidden
11% of 171 decks +9% synergy
Rat Out
11% of 84 decks +10% synergy
Imp's Mischief
10% of 173 decks +8% synergy
Force of Despair
8% of 173 decks +7% synergy
Baleful Mastery
8% of 171 decks +6% synergy
Malakir Rebirth
8% of 171 decks +3% synergy
Cabal Ritual
8% of 173 decks +5% synergy
Not Dead After All
7% of 84 decks +5% synergy
Raise the Draugr
7% of 171 decks +7% synergy
Altar's Reap
7% of 173 decks +6% synergy
Entomb
6% of 173 decks +2% synergy
Cut Down
6% of 156 decks +5% synergy
Sorceries
Time of Need
60% of 5 decks +60% synergy
Explore
60% of 5 decks +56% synergy
Kodama's Reach
60% of 5 decks +45% synergy
Demonic Tutor
40% of 173 decks +29% synergy
Replication Technique
38% of 8 decks +37% synergy
Plague of Vermin
34% of 173 decks +34% synergy
Feed the Swarm
34% of 171 decks +25% synergy
Careful Study
33% of 9 decks +33% synergy
Patriarch's Bidding
33% of 173 decks +31% synergy
Diabolic Intent
32% of 173 decks +28% synergy
Gruesome Fate
31% of 173 decks +31% synergy
Diabolic Tutor
31% of 173 decks +28% synergy
Kindred Dominance
27% of 173 decks +25% synergy
Echoing Return
25% of 170 decks +24% synergy
Sign in Blood
22% of 173 decks +17% synergy
Grim Tutor
21% of 173 decks +19% synergy
Insatiable Avarice
19% of 32 decks +16% synergy
Crippling Fear
18% of 171 decks +17% synergy
Toxic Deluge
17% of 173 decks +9% synergy
Read the Bones
16% of 173 decks +12% synergy
Damnation
16% of 173 decks +11% synergy
Lich-Knights' Conquest
13% of 85 decks +11% synergy
Torment of Hailfire
13% of 173 decks +10% synergy
Living Death
12% of 173 decks +9% synergy
Profane Tutor
12% of 170 decks +10% synergy
Exsanguinate
12% of 173 decks +9% synergy
Victimize
12% of 173 decks +6% synergy
In Garruk's Wake
11% of 173 decks +9% synergy
Night's Whisper
10% of 173 decks +5% synergy
Pact of the Serpent
9% of 171 decks +8% synergy
Lab Rats
9% of 173 decks +9% synergy
Mutilate
9% of 173 decks +8% synergy
Eaten Alive
9% of 167 decks +9% synergy
Reanimate
9% of 173 decks +1% synergy
Haunting Voyage
8% of 171 decks +8% synergy
Bubbling Muck
8% of 173 decks +7% synergy
Bone Shards
7% of 170 decks +6% synergy
Beseech the Mirror
7% of 85 decks +5% synergy
Secret Salvage
7% of 173 decks +7% synergy
Buried Alive
7% of 173 decks +4% synergy
Imperial Seal
7% of 173 decks +4% synergy
Beseech the Queen
6% of 173 decks +6% synergy
Return from Extinction
5% of 173 decks +5% synergy
Utility Artifacts
Jet Medallion
43% of 173 decks +41% synergy
Lightning Greaves
42% of 173 decks +17% synergy
Altar of the Brood
34% of 173 decks +32% synergy
Herald's Horn
34% of 173 decks +27% synergy
Coat of Arms
33% of 173 decks +31% synergy
Thrumming Stone
31% of 173 decks +31% synergy
Swiftfoot Boots
31% of 173 decks +3% synergy
Vanquisher's Banner
29% of 173 decks +25% synergy
Phyrexian Altar
28% of 173 decks +24% synergy
Umbral Mantle
27% of 173 decks +26% synergy
Bolas's Citadel
25% of 173 decks +20% synergy
Door of Destinies
24% of 173 decks +22% synergy
Thousand-Year Elixir
23% of 173 decks +21% synergy
Staff of Domination
23% of 173 decks +21% synergy
Eldrazi Monument
18% of 173 decks +17% synergy
Sting, the Glinting Dagger
16% of 89 decks +14% synergy
Whip of Erebos
14% of 173 decks +13% synergy
Illusionist's Bracers
13% of 173 decks +11% synergy
Altar of Dementia
13% of 173 decks +10% synergy
Nim Deathmantle
9% of 173 decks +8% synergy
Akroma's Memorial
9% of 173 decks +8% synergy
Magewright's Stone
8% of 173 decks +7% synergy
Helm of the Host
8% of 173 decks +4% synergy
Obelisk of Urd
7% of 173 decks +6% synergy
Throne of the God-Pharaoh
7% of 173 decks +6% synergy
The One Ring
7% of 101 decks -2% synergy
Icon of Ancestry
6% of 173 decks +5% synergy
Expedition Map
6% of 173 decks +3% synergy
Mindcrank
6% of 173 decks +4% synergy
Rings of Brighthearth
6% of 173 decks +4% synergy
Sensei's Divining Top
6% of 173 decks +0% synergy
Urza's Incubator
5% of 173 decks +2% synergy
Aetherflux Reservoir
5% of 173 decks +1% synergy
Wayfarer's Bauble
5% of 173 decks -5% synergy
Enchantments
One with the Kami
60% of 5 decks +60% synergy
Parallel Lives
60% of 5 decks +57% synergy
Phyrexian Arena
46% of 173 decks +38% synergy
Intruder Alarm
44% of 9 decks +43% synergy
Mystic Remora
44% of 9 decks +36% synergy
Goblin Bombardment
43% of 7 decks +40% synergy
Black Market
40% of 173 decks +38% synergy
Grave Pact
39% of 173 decks +37% synergy
Haunted One
38% of 161 decks +37% synergy
Unfulfilled Desires
33% of 9 decks +33% synergy
Dictate of Erebos
31% of 173 decks +29% synergy
Vampiric Rites
17% of 173 decks +15% synergy
The Meathook Massacre
16% of 167 decks +14% synergy
Black Market Connections
16% of 161 decks +11% synergy
Lord Skitter's Blessing
14% of 85 decks +14% synergy
Bastion of Remembrance
13% of 172 decks +10% synergy
Bad Moon
13% of 173 decks +12% synergy
Necropotence
12% of 173 decks +9% synergy
Exquisite Blood
10% of 173 decks +8% synergy
Dark Prophecy
10% of 173 decks +9% synergy
Attrition
9% of 173 decks +9% synergy
Contamination
9% of 173 decks +8% synergy
Phyrexian Reclamation
9% of 173 decks +7% synergy
Sanguine Bond
8% of 173 decks +5% synergy
Cover of Darkness
7% of 173 decks +6% synergy
Tribute to Horobi
7% of 164 decks +6% synergy
Oversold Cemetery
6% of 173 decks +6% synergy
Planeswalkers
Liliana of the Dark Realms
10% of 173 decks +10% synergy
Utility Lands
Cabal Coffers
63% of 173 decks +57% synergy
Swarmyard
62% of 173 decks +61% synergy
Cabal Stronghold
54% of 173 decks +52% synergy
Bojuka Bog
53% of 173 decks +38% synergy
Mudflat Village
44% of 16 decks +40% synergy
Otawara, Soaring City
38% of 8 decks +29% synergy
Nykthos, Shrine to Nyx
37% of 173 decks +31% synergy
Urborg, Tomb of Yawgmoth
37% of 173 decks +27% synergy
Reliquary Tower
36% of 173 decks +7% synergy
Creeping Tar Pit
33% of 9 decks +33% synergy
Phyrexian Tower
28% of 173 decks +23% synergy
Witch's Cottage
27% of 173 decks +25% synergy
Rogue's Passage
24% of 173 decks +5% synergy
Takenuma, Abandoned Mire
23% of 164 decks +17% synergy
Crypt of Agadeem
19% of 173 decks +18% synergy
Mortuary Mire
19% of 173 decks +16% synergy
Hidden Necropolis
19% of 48 decks +18% synergy
Castle Locthwain
18% of 173 decks +15% synergy
Spymaster's Vault
16% of 25 decks +14% synergy
War Room
13% of 171 decks +7% synergy
Ancient Tomb
13% of 173 decks +3% synergy
Minas Morgul, Dark Fortress
10% of 50 decks +9% synergy
Thespian's Stage
10% of 173 decks +7% synergy
Buried Ruin
9% of 173 decks +3% synergy
Temple of the False God
9% of 173 decks -1% synergy
Deserted Temple
8% of 173 decks +8% synergy
Westvale Abbey
8% of 173 decks +7% synergy
Barren Moor
8% of 173 decks +6% synergy
Memorial to Folly
7% of 173 decks +6% synergy
Everglades
6% of 173 decks +6% synergy
Shizo, Death's Storehouse
6% of 173 decks +3% synergy
Mana Artifacts
Sol Ring
88% of 173 decks +3% synergy
Arcane Signet
52% of 173 decks -20% synergy
Rakdos Signet
43% of 7 decks +36% synergy
Patriar's Seal
29% of 161 decks +27% synergy
Throne of Eldraine
26% of 65 decks +24% synergy
Heraldic Banner
20% of 173 decks +18% synergy
Charcoal Diamond
17% of 173 decks +15% synergy
Mana Crypt
16% of 173 decks +5% synergy
Caged Sun
13% of 173 decks +11% synergy
Mind Stone
13% of 173 decks -4% synergy
Jeweled Lotus
10% of 171 decks +2% synergy
Thought Vessel
9% of 173 decks -7% synergy
Gauntlet of Power
9% of 173 decks +8% synergy
Sceptre of Eternal Glory
8% of 152 decks +7% synergy
Fellwar Stone
7% of 173 decks -14% synergy
Nyx Lotus
6% of 173 decks +5% synergy
Commander's Sphere
6% of 173 decks -9% synergy
Chrome Mox
6% of 173 decks -1% synergy
Lotus Petal
5% of 173 decks -1% synergy
Lands
Godless Shrine
100% of 5 decks +91% synergy
Fetid Heath
80% of 5 decks +78% synergy
Opulent Palace
80% of 5 decks +77% synergy
Llanowar Wastes
80% of 5 decks +75% synergy
Woodland Cemetery
80% of 5 decks +74% synergy
Vault of Champions
80% of 5 decks +74% synergy
Isolated Chapel
80% of 5 decks +74% synergy
Caves of Koilos
80% of 5 decks +74% synergy
Overgrown Tomb
80% of 5 decks +71% synergy
Shattered Sanctum
75% of 4 decks +72% synergy
Blood Crypt
71% of 7 decks +63% synergy
Sulfurous Springs
71% of 7 decks +67% synergy
Smoldering Marsh
71% of 7 decks +64% synergy
Tangled Islet
60% of 5 decks +58% synergy
Haunted Mire
60% of 5 decks +58% synergy
Tainted Wood
60% of 5 decks +57% synergy
Shineshadow Snarl
60% of 5 decks +57% synergy
Tainted Field
60% of 5 decks +57% synergy
Temple of Malady
60% of 5 decks +57% synergy
Orzhov Basilica
60% of 5 decks +56% synergy
Temple of Silence
60% of 5 decks +56% synergy
Luxury Suite
57% of 7 decks +51% synergy
Dragonskull Summit
57% of 7 decks +50% synergy
Drowned Catacomb
56% of 9 decks +49% synergy
Temple of Deceit
44% of 9 decks +40% synergy
Watery Grave
44% of 9 decks +34% synergy
Temple of Malice
43% of 7 decks +40% synergy
Contaminated Aquifer
38% of 8 decks +37% synergy
Darkslick Shores
33% of 9 decks +32% synergy
Tainted Isle
33% of 9 decks +31% synergy
Darkwater Catacombs
33% of 9 decks +30% synergy
Morphic Pool
33% of 9 decks +27% synergy
Path of Ancestry
31% of 173 decks +10% synergy
Myriad Landscape
28% of 173 decks +8% synergy
Urza's Cave
26% of 27 decks +21% synergy
Cavern of Souls
23% of 173 decks +16% synergy
Command Tower
14% of 173 decks -59% synergy
Marsh Flats
5% of 173 decks -6% synergy