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. Infinite untap of creatures you control. Infinite mana creatures you control can produce.

Marrow-Gnawer
1.58% of 9006 decks 142 decks
Ashcoat of the Shadow Swarm
0.33% of 3299 decks 11 decks
Karumonix, the Rat King
0.10% of 5862 decks 6 decks
Nashi, Moon's Legacy
0.36% of 1405 decks 5 decks
Syr Konrad, the Grim
0.07% of 4587 decks 3 decks
Ayara, First of Locthwain
0.04% of 4765 decks 2 decks
Elenda, the Dusk Rose
0.04% of 5285 decks 2 decks
Aminatou, the Fateshifter
0.02% of 6300 decks 1 decks
Olivia Voldaren
0.09% of 1144 decks 1 decks
Wick, the Whorled Mind
0.02% of 4884 decks 1 decks
Mahadi, Emporium Master
0.07% of 1511 decks 1 decks
K'rrik, Son of Yawgmoth
0.01% of 13841 decks 1 decks
Marchesa, the Black Rose
0.01% of 9321 decks 1 decks
Kambal, Profiteering Mayor
0.04% of 2762 decks 1 decks
Garna, Bloodfist of Keld
0.06% of 1728 decks 1 decks
Megatron, Tyrant
0.03% of 3902 decks 1 decks
Gonti, Lord of Luxury
0.07% of 1341 decks 1 decks
Vren, the Relentless
0.03% of 3519 decks 1 decks
New Cards
Withering Torment
78% of 9 decks +56% synergy
Marvin, Murderous Mimic
44% of 9 decks +40% synergy
High Synergy Cards
Piper of the Swarm
76% of 185 decks +74% synergy
Karumonix, the Rat King
75% of 145 decks +74% synergy
Pack Rat
73% of 185 decks +72% synergy
Thornbite Staff
72% of 185 decks +71% synergy
Ayara, First of Locthwain
72% of 185 decks +69% synergy
Ogre Slumlord
69% of 185 decks +67% synergy
Lord Skitter, Sewer King
67% of 98 decks +65% synergy
Persistent Marshstalker
65% of 23 decks +63% synergy
Rat Colony
63% of 185 decks +62% synergy
Swarmyard
60% of 185 decks +59% synergy
Top Cards
Cultivate
100% of 5 decks +54% synergy
Rampant Growth
80% of 5 decks +45% synergy
Skullclamp
70% of 185 decks +57% synergy
Dark Ritual
62% of 185 decks +40% synergy
Valley Rotcaller
56% of 27 decks +51% synergy
Bontu's Monument
55% of 185 decks +53% synergy
Patchwork Banner
55% of 22 decks +44% synergy
Mirkwood Bats
51% of 109 decks +39% synergy
Terminate
50% of 8 decks +29% synergy
Ratcatcher
50% of 185 decks +49% synergy
Creatures
Blood Artist
50% of 185 decks +38% synergy
Ashcoat of the Shadow Swarm
49% of 156 decks +49% synergy
Voracious Vermin
47% of 90 decks +46% synergy
Species Specialist
45% of 184 decks +43% synergy
Crypt Rats
44% of 185 decks +44% synergy
Lord Skitter's Butcher
41% of 98 decks +40% synergy
Ink-Eyes, Servant of Oni
40% of 185 decks +39% synergy
Swarm of Rats
38% of 185 decks +38% synergy
Nashi, Moon Sage's Scion
38% of 176 decks +36% synergy
Tangled Colony
38% of 98 decks +37% synergy
Mayhem Devil
38% of 8 decks +28% synergy
Zulaport Cutthroat
37% of 185 decks +27% synergy
Gnat Miser
35% of 185 decks +34% synergy
Typhoid Rats
34% of 185 decks +33% synergy
Throat Slitter
32% of 185 decks +31% synergy
Crypt Ghast
30% of 185 decks +25% synergy
Burglar Rat
29% of 185 decks +28% synergy
Pestilence Rats
28% of 185 decks +28% synergy
Chittering Witch
28% of 185 decks +27% synergy
Nezumi Graverobber
26% of 185 decks +26% synergy
Twisted Sewer-Witch
26% of 98 decks +25% synergy
Old Flitterfang
25% of 79 decks +25% synergy
Locust Miser
25% of 185 decks +25% synergy
Wave of Rats
24% of 172 decks +24% synergy
Rancid Rats
24% of 185 decks +23% synergy
Roaming Throne
22% of 60 decks +12% synergy
Gray Merchant of Asphodel
22% of 185 decks +13% synergy
Stronghold Rats
19% of 185 decks +19% synergy
Blightbelly Rat
19% of 124 decks +16% synergy
Nezumi Bone-Reader
18% of 185 decks +18% synergy
Crashing Drawbridge
18% of 185 decks +16% synergy
Pitiless Plunderer
18% of 185 decks +10% synergy
Relentless Rats
17% of 185 decks +17% synergy
Ravenous Rats
16% of 185 decks +16% synergy
Accursed Marauder
16% of 31 decks +7% synergy
Nezumi Informant
16% of 113 decks +15% synergy
Gnawing Vermin
15% of 162 decks +15% synergy
Magus of the Coffers
15% of 185 decks +14% synergy
Nezumi Prowler
15% of 176 decks +14% synergy
Okiba-Gang Shinobi
14% of 185 decks +14% synergy
Skullsnatcher
14% of 185 decks +13% synergy
Drainpipe Vermin
12% of 185 decks +12% synergy
Braids, Arisen Nightmare
11% of 166 decks +4% synergy
Ichor Rats
11% of 185 decks +10% synergy
Nezumi Shortfang
11% of 185 decks +11% synergy
Ruin Rat
11% of 185 decks +11% synergy
Rotting Rats
10% of 185 decks +9% synergy
Adaptive Automaton
10% of 185 decks +9% synergy
Syr Konrad, the Grim
10% of 185 decks +1% synergy
Viscera Seer
10% of 185 decks +0% synergy
Instants
Sultai Charm
60% of 5 decks +55% synergy
Tear Asunder
60% of 5 decks +54% synergy
Swords to Plowshares
50% of 6 decks -13% synergy
Arcane Denial
45% of 11 decks +26% synergy
Counterspell
45% of 11 decks +3% synergy
Village Rites
40% of 184 decks +30% synergy
Vampiric Tutor
38% of 185 decks +20% synergy
Rakdos Charm
38% of 8 decks +23% synergy
Chaos Warp
38% of 8 decks +5% synergy
Tainted Indulgence
30% of 10 decks +29% synergy
Otherworldly Gaze
30% of 10 decks +29% synergy
Deadly Dispute
29% of 180 decks +18% synergy
Frantic Search
27% of 11 decks +15% synergy
Negate
27% of 11 decks +4% synergy
Foul-Tongue Shriek
25% of 185 decks +25% synergy
Defile
23% of 185 decks +20% synergy
Corrupted Conviction
23% of 114 decks +17% synergy
Consuming Corruption
21% of 34 decks +18% synergy
Tragic Slip
18% of 185 decks +15% synergy
Infernal Grasp
18% of 179 decks +10% synergy
Go for the Throat
17% of 185 decks +10% synergy
Deadly Rollick
17% of 184 decks +6% synergy
Murder
16% of 185 decks +13% synergy
Sudden Spoiling
13% of 185 decks +11% synergy
Doom Blade
13% of 185 decks +11% synergy
Culling the Weak
12% of 185 decks +9% synergy
Bitter Triumph
12% of 52 decks +7% synergy
Flare of Malice
11% of 37 decks +7% synergy
Plumb the Forbidden
10% of 184 decks +7% synergy
Hero's Downfall
10% of 185 decks +8% synergy
Imp's Mischief
10% of 185 decks +7% synergy
Rat Out
10% of 98 decks +10% synergy
Malakir Rebirth
8% of 184 decks -1% synergy
Altar's Reap
8% of 185 decks +7% synergy
Force of Despair
8% of 185 decks +6% synergy
Cabal Ritual
8% of 185 decks +3% synergy
Not Dead After All
7% of 98 decks +3% synergy
Baleful Mastery
7% of 184 decks +4% synergy
Entomb
6% of 185 decks -1% synergy
Raise the Draugr
5% of 184 decks +5% synergy
Cut Down
5% of 166 decks +4% synergy
Sorceries
Time of Need
60% of 5 decks +59% synergy
Explore
60% of 5 decks +51% synergy
Kodama's Reach
60% of 5 decks +28% synergy
Swarmyard Massacre
47% of 17 decks +42% synergy
Demonic Tutor
39% of 185 decks +17% synergy
Feed the Swarm
34% of 184 decks +15% synergy
Plague of Vermin
34% of 185 decks +33% synergy
Diabolic Tutor
34% of 185 decks +27% synergy
Diabolic Intent
33% of 185 decks +24% synergy
Gruesome Fate
30% of 185 decks +30% synergy
Replication Technique
30% of 10 decks +29% synergy
Patriarch's Bidding
29% of 185 decks +26% synergy
Kindred Dominance
28% of 185 decks +24% synergy
Careful Study
27% of 11 decks +26% synergy
Echoing Return
23% of 183 decks +23% synergy
Sign in Blood
22% of 185 decks +12% synergy
Grim Tutor
21% of 185 decks +16% synergy
Crippling Fear
19% of 184 decks +17% synergy
Insatiable Avarice
18% of 45 decks +13% synergy
Read the Bones
16% of 185 decks +8% synergy
Toxic Deluge
16% of 185 decks -1% synergy
Damnation
15% of 185 decks +6% synergy
Exsanguinate
13% of 185 decks +7% synergy
Profane Tutor
13% of 183 decks +10% synergy
Living Death
12% of 185 decks +7% synergy
Lich-Knights' Conquest
12% of 98 decks +9% synergy
In Garruk's Wake
12% of 185 decks +9% synergy
Torment of Hailfire
11% of 185 decks +6% synergy
Victimize
10% of 185 decks -1% synergy
Night's Whisper
10% of 185 decks +1% synergy
Pact of the Serpent
9% of 184 decks +7% synergy
Reanimate
9% of 185 decks -6% synergy
Lab Rats
9% of 185 decks +9% synergy
Mutilate
9% of 185 decks +7% synergy
Eaten Alive
8% of 179 decks +7% synergy
Bone Shards
8% of 183 decks +6% synergy
Haunting Voyage
8% of 184 decks +6% synergy
Bubbling Muck
8% of 185 decks +6% synergy
Imperial Seal
8% of 185 decks +2% synergy
Buried Alive
7% of 185 decks +1% synergy
Pitiless Carnage
7% of 45 decks +5% synergy
Secret Salvage
6% of 185 decks +6% synergy
Beseech the Mirror
6% of 98 decks +2% synergy
Beseech the Queen
6% of 185 decks +5% synergy
Utility Artifacts
Jet Medallion
44% of 185 decks +42% synergy
Lightning Greaves
39% of 185 decks +14% synergy
Altar of the Brood
35% of 185 decks +34% synergy
Herald's Horn
32% of 185 decks +26% synergy
Thrumming Stone
32% of 185 decks +31% synergy
Coat of Arms
32% of 185 decks +30% synergy
Swiftfoot Boots
31% of 185 decks +3% synergy
Vanquisher's Banner
30% of 185 decks +26% synergy
Phyrexian Altar
28% of 185 decks +24% synergy
Umbral Mantle
27% of 185 decks +26% synergy
Staff of Domination
24% of 185 decks +22% synergy
Bolas's Citadel
24% of 185 decks +14% synergy
Door of Destinies
22% of 185 decks +20% synergy
Thousand-Year Elixir
21% of 185 decks +19% synergy
Sword of the Squeak
18% of 17 decks +16% synergy
Sting, the Glinting Dagger
18% of 102 decks +16% synergy
Eldrazi Monument
16% of 185 decks +15% synergy
Altar of Dementia
14% of 185 decks +11% synergy
Whip of Erebos
12% of 185 decks +9% synergy
Nim Deathmantle
10% of 185 decks +10% synergy
Illusionist's Bracers
10% of 185 decks +9% synergy
Akroma's Memorial
8% of 185 decks +7% synergy
Rings of Brighthearth
8% of 185 decks +6% synergy
Helm of the Host
8% of 185 decks +4% synergy
Obelisk of Urd
7% of 185 decks +6% synergy
Magewright's Stone
7% of 185 decks +6% synergy
Mindcrank
7% of 185 decks +5% synergy
Sensei's Divining Top
7% of 185 decks +1% synergy
Throne of the God-Pharaoh
6% of 185 decks +6% synergy
Aetherflux Reservoir
6% of 185 decks +3% synergy
The One Ring
6% of 114 decks -3% synergy
Expedition Map
5% of 185 decks +2% synergy
Enchantments
One with the Kami
60% of 5 decks +59% synergy
Parallel Lives
60% of 5 decks +53% synergy
Anointed Procession
50% of 6 decks +41% synergy
Mystic Remora
45% of 11 decks +27% synergy
Phyrexian Arena
44% of 185 decks +29% synergy
Black Market
39% of 185 decks +35% synergy
Haunted One
37% of 171 decks +36% synergy
Intruder Alarm
36% of 11 decks +34% synergy
Rhystic Study
36% of 11 decks +8% synergy
Grave Pact
36% of 185 decks +32% synergy
Dictate of Erebos
30% of 185 decks +26% synergy
Unfulfilled Desires
27% of 11 decks +27% synergy
Vampiric Rites
16% of 185 decks +14% synergy
The Meathook Massacre
16% of 179 decks +11% synergy
Black Market Connections
15% of 171 decks +4% synergy
Bastion of Remembrance
15% of 184 decks +8% synergy
Lord Skitter's Blessing
12% of 98 decks +11% synergy
Exquisite Blood
12% of 185 decks +7% synergy
Bad Moon
11% of 185 decks +10% synergy
Necropotence
11% of 185 decks +5% synergy
Sanguine Bond
10% of 185 decks +4% synergy
Attrition
9% of 185 decks +8% synergy
Phyrexian Reclamation
9% of 185 decks +5% synergy
Contamination
8% of 185 decks +8% synergy
Dark Prophecy
8% of 185 decks +7% synergy
Cover of Darkness
7% of 185 decks +6% synergy
Tribute to Horobi
7% of 176 decks +6% synergy
Oversold Cemetery
6% of 185 decks +4% synergy
Greed
5% of 185 decks +3% synergy
Planeswalkers
Liliana of the Dark Realms
10% of 185 decks +8% synergy
Utility Lands
Vault of the Archangel
67% of 6 decks +56% synergy
Cabal Coffers
60% of 185 decks +49% synergy
Three Tree City
59% of 27 decks +49% synergy
Bojuka Bog
51% of 185 decks +21% synergy
Cabal Stronghold
51% of 185 decks +47% synergy
Urborg, Tomb of Yawgmoth
35% of 185 decks +25% synergy
Reliquary Tower
35% of 185 decks +5% synergy
Nykthos, Shrine to Nyx
34% of 185 decks +28% synergy
Mudflat Village
30% of 27 decks +26% synergy
Creeping Tar Pit
27% of 11 decks +24% synergy
Witch's Cottage
26% of 185 decks +22% synergy
Phyrexian Tower
26% of 185 decks +17% synergy
Rogue's Passage
23% of 185 decks +4% synergy
Mortuary Mire
21% of 185 decks +16% synergy
Takenuma, Abandoned Mire
20% of 176 decks +10% synergy
Crypt of Agadeem
18% of 185 decks +16% synergy
Castle Locthwain
16% of 185 decks +11% synergy
Hidden Necropolis
15% of 61 decks +13% synergy
Ancient Tomb
13% of 185 decks +2% synergy
War Room
12% of 184 decks +6% synergy
Spymaster's Vault
11% of 37 decks +7% synergy
Buried Ruin
10% of 185 decks +5% synergy
Deserted Temple
9% of 185 decks +8% synergy
Thespian's Stage
9% of 185 decks +6% synergy
Barren Moor
9% of 185 decks +5% synergy
Temple of the False God
9% of 185 decks -1% synergy
Minas Morgul, Dark Fortress
8% of 63 decks +6% synergy
Memorial to Folly
7% of 185 decks +6% synergy
Westvale Abbey
7% of 185 decks +5% synergy
Everglades
6% of 185 decks +6% synergy
Shizo, Death's Storehouse
5% of 185 decks +1% synergy
Mana Artifacts
Sol Ring
89% of 185 decks +4% synergy
Arcane Signet
52% of 185 decks -20% synergy
Orzhov Signet
50% of 6 decks +23% synergy
Rakdos Signet
38% of 8 decks +8% synergy
Patriar's Seal
29% of 171 decks +27% synergy
Throne of Eldraine
23% of 79 decks +20% synergy
Heraldic Banner
18% of 185 decks +16% synergy
Charcoal Diamond
16% of 185 decks +10% synergy
Mind Stone
14% of 185 decks -4% synergy
Caged Sun
13% of 185 decks +11% synergy
Mana Crypt
13% of 185 decks +4% synergy
Thought Vessel
9% of 185 decks -8% synergy
Jeweled Lotus
8% of 184 decks +2% synergy
Gauntlet of Power
8% of 185 decks +7% synergy
Commander's Sphere
8% of 185 decks -8% synergy
Sceptre of Eternal Glory
7% of 165 decks +6% synergy
Fellwar Stone
7% of 185 decks -14% synergy
Basalt Monolith
6% of 185 decks +3% synergy
Chrome Mox
6% of 185 decks -0% synergy
Lands
Crumbling Necropolis
100% of 3 decks +69% synergy
Godless Shrine
100% of 6 decks +59% synergy
Smoldering Marsh
88% of 8 decks +55% synergy
Isolated Chapel
83% of 6 decks +56% synergy
Caves of Koilos
83% of 6 decks +55% synergy
Llanowar Wastes
80% of 5 decks +54% synergy
Opulent Palace
80% of 5 decks +53% synergy
Woodland Cemetery
80% of 5 decks +52% synergy
Overgrown Tomb
80% of 5 decks +37% synergy
Dragonskull Summit
75% of 8 decks +44% synergy
Drowned Catacomb
73% of 11 decks +47% synergy
Fetid Heath
67% of 6 decks +56% synergy
Temple of Silence
67% of 6 decks +49% synergy
Vault of Champions
67% of 6 decks +41% synergy
Blood Crypt
62% of 8 decks +24% synergy
Tangled Islet
60% of 5 decks +52% synergy
Haunted Mire
60% of 5 decks +52% synergy
Tainted Wood
60% of 5 decks +47% synergy
Shattered Sanctum
60% of 5 decks +47% synergy
Temple of Malady
60% of 5 decks +44% synergy
Shineshadow Snarl
50% of 6 decks +38% synergy
Tainted Field
50% of 6 decks +37% synergy
Orzhov Basilica
50% of 6 decks +34% synergy
Sulfurous Springs
50% of 8 decks +30% synergy
Temple of Deceit
45% of 11 decks +29% synergy
Watery Grave
45% of 11 decks +5% synergy
Temple of Malice
38% of 8 decks +23% synergy
Luxury Suite
38% of 8 decks +11% synergy
Tainted Isle
36% of 11 decks +25% synergy
Sunken Hollow
36% of 11 decks +2% synergy
Contaminated Aquifer
30% of 10 decks +27% synergy
Path of Ancestry
29% of 185 decks +8% synergy
Myriad Landscape
28% of 185 decks +8% synergy
Darkslick Shores
27% of 11 decks +22% synergy
Darkwater Catacombs
27% of 11 decks +12% synergy
Underground River
27% of 11 decks +8% synergy
Urza's Cave
25% of 40 decks +21% synergy
Cavern of Souls
21% of 185 decks +14% synergy
Command Tower
14% of 185 decks -60% synergy
Exotic Orchard
5% of 185 decks -30% synergy