Carnifex Demon + Nest of Scarabs + Blowfly Infestation + Phyrexian Altar

Carnifex Demon
Nest of Scarabs
Blowfly Infestation
Phyrexian Altar

Requires
Carnifex Demon must be on the battlefield. Nest of Scarabs must be on the battlefield. Blowfly Infestation must be on the battlefield. Phyrexian Altar must be on the battlefield. Carnifex Demon has at least two -1/-1 counters on it. At least two additional creatures on the battlefield. Mana needed:
Steps
  1. Acftivate Carnifex Demon by paying and removing a -1/-1 counter from it, putting a -1/-1 counter on each other creature.
  2. Nest of Scarabs triggers for each counter placed this way, creating at least one 1/1 Insect creature token.
  3. If any creatures died as a result of the counters being placed, Blowfly Infestation also triggered once for each death, putting a -1/-1 counter on Carnifex Demon and all remaining counters onto any other creature(s).
  4. Activate Phyrexian Altar by sacrificing an Insect, adding .
  5. Repeat.
Results
Infinite -1/-1 counters on all other creatures. Infinite death triggers. Infinite ETB. Infinite LTB. Infinite sacrifice triggers.

Hapatra, Vizier of Poisons
5.23% of 4821 decks 252 decks
The Scorpion God
4.10% of 2172 decks 89 decks
Yawgmoth, Thran Physician
0.20% of 5611 decks 11 decks
Xira, the Golden Sting
0.48% of 2285 decks 11 decks
Massacre Girl, Known Killer
0.17% of 4207 decks 7 decks
Toxrill, the Corrosive
0.13% of 5577 decks 7 decks
Mikaeus, the Unhallowed
0.22% of 1365 decks 3 decks
Sek'Kuar, Deathkeeper
0.15% of 1356 decks 2 decks
Skeleton Ship
0.27% of 754 decks 2 decks
Skullbriar, the Walking Grave
0.03% of 6626 decks 2 decks
Ziatora, the Incinerator
0.01% of 8061 decks 1 decks
Mishra, Claimed by Gix
0.03% of 3687 decks 1 decks
Brimaz, Blight of Oreskos
0.01% of 7996 decks 1 decks
Atraxa, Praetors' Voice
0.00% of 35754 decks 1 decks
Prossh, Skyraider of Kher
0.02% of 5185 decks 1 decks
Cleopatra, Exiled Pharaoh
0.09% of 1058 decks 1 decks
Esika, God of the Tree
0.01% of 18169 decks 1 decks
Xavier Sal, Infested Captain
0.02% of 4715 decks 1 decks
New Cards
Aphelia, Viper Whisperer
75% of 12 decks +74% synergy
Blasphemous Edict
67% of 6 decks +33% synergy
Enduring Vitality
16% of 38 decks -4% synergy
Withering Torment
6% of 50 decks -13% synergy
High Synergy Cards
Everlasting Torment
94% of 108 decks +93% synergy
Obelisk Spider
93% of 276 decks +92% synergy
Black Sun's Zenith
89% of 399 decks +88% synergy
Persistent Constrictor
94% of 47 decks +87% synergy
Necroskitter
88% of 399 decks +87% synergy
Kulrath Knight
85% of 108 decks +85% synergy
Generous Patron
84% of 276 decks +84% synergy
Yawgmoth, Thran Physician
87% of 397 decks +83% synergy
Flatline
83% of 6 decks +83% synergy
Devoted Druid
84% of 276 decks +81% synergy
Top Cards
Wickerbough Elder
80% of 276 decks +80% synergy
All Will Be One
79% of 92 decks +76% synergy
Massacre Girl, Known Killer
79% of 188 decks +77% synergy
Flux Channeler
79% of 14 decks +75% synergy
Spitting Dilophosaurus
78% of 208 decks +77% synergy
Channeler Initiate
76% of 276 decks +76% synergy
Skullclamp
74% of 399 decks +62% synergy
Maha, Its Feathers Night
73% of 84 decks +70% synergy
Inexorable Tide
71% of 14 decks +69% synergy
Soul Snuffers
71% of 399 decks +71% synergy
Creatures
Tekuthal, Inquiry Dominus
67% of 9 decks +64% synergy
Evolution Sage
65% of 276 decks +58% synergy
Blood Artist
62% of 399 decks +51% synergy
Volrath, the Shapestealer
60% of 5 decks +60% synergy
Midnight Banshee
59% of 399 decks +59% synergy
Zulaport Cutthroat
57% of 399 decks +48% synergy
Fynn, the Fangbearer
57% of 269 decks +56% synergy
Mahadi, Emporium Master
57% of 102 decks +50% synergy
Sludge Monster
54% of 13 decks +53% synergy
Stigma Lasher
48% of 108 decks +48% synergy
Dusk Urchins
45% of 399 decks +45% synergy
Cankerbloom
44% of 218 decks +37% synergy
Quillspike
43% of 276 decks +43% synergy
Ammit Eternal
43% of 399 decks +43% synergy
Thrummingbird
43% of 14 decks +39% synergy
Seshiro the Anointed
41% of 276 decks +41% synergy
Skinrender
41% of 399 decks +40% synergy
Poison-Tip Archer
38% of 276 decks +33% synergy
Mirkwood Bats
38% of 248 decks +26% synergy
Ohran Frostfang
37% of 274 decks +32% synergy
Spark Double
36% of 14 decks +29% synergy
Hooded Blightfang
35% of 389 decks +35% synergy
Chatterfang, Squirrel General
35% of 267 decks +30% synergy
Banewhip Punisher
35% of 399 decks +35% synergy
Corrosive Mentor
34% of 399 decks +34% synergy
Ivy Lane Denizen
32% of 276 decks +31% synergy
Sakura-Tribe Elder
32% of 276 decks +14% synergy
Pitiless Plunderer
32% of 398 decks +24% synergy
Toski, Bearer of Secrets
30% of 269 decks +23% synergy
Birds of Paradise
30% of 276 decks +3% synergy
Soul-Scar Mage
30% of 108 decks +29% synergy
Mikaeus, the Unhallowed
28% of 399 decks +26% synergy
Craterhoof Behemoth
28% of 276 decks +22% synergy
Murderous Redcap
28% of 108 decks +26% synergy
Magda, the Hoardmaster
27% of 30 decks +24% synergy
Eternal Witness
26% of 276 decks +6% synergy
Toxrill, the Corrosive
25% of 12 decks +22% synergy
Ignoble Hierarch
25% of 16 decks -1% synergy
Fume Spitter
24% of 399 decks +24% synergy
Hateflayer
24% of 108 decks +24% synergy
Dockside Extortionist
24% of 106 decks +12% synergy
Sakashima of a Thousand Faces
23% of 13 decks +20% synergy
Wight of the Reliquary
23% of 78 decks +15% synergy
Elves of Deep Shadow
23% of 276 decks +12% synergy
Hunted Phantasm
21% of 14 decks +21% synergy
Viral Drake
21% of 14 decks +21% synergy
Blighted Agent
21% of 14 decks +20% synergy
Deepglow Skate
21% of 14 decks +19% synergy
Harbinger of Night
21% of 399 decks +21% synergy
Agent Frank Horrigan
21% of 101 decks +17% synergy
Instants
Grim Affliction
59% of 399 decks +58% synergy
Beast Within
59% of 276 decks +20% synergy
Assassin's Trophy
58% of 276 decks +28% synergy
Heroic Intervention
47% of 276 decks +17% synergy
Polymorphist's Jest
43% of 14 decks +42% synergy
Atomize
40% of 98 decks +34% synergy
Chaos Warp
36% of 108 decks +4% synergy
Cyclonic Rift
36% of 14 decks +8% synergy
Rakdos Charm
31% of 108 decks +16% synergy
Terminate
31% of 108 decks +10% synergy
Bedevil
30% of 107 decks +16% synergy
Fuel for the Cause
29% of 14 decks +28% synergy
Deflecting Swat
29% of 105 decks +12% synergy
Counterspell
29% of 14 decks -14% synergy
Vampiric Tutor
27% of 399 decks +8% synergy
Putrefy
26% of 276 decks +11% synergy
Golgari Charm
26% of 276 decks +20% synergy
Sudden Spoiling
26% of 399 decks +24% synergy
Revitalizing Repast
26% of 74 decks +13% synergy
Puncture Blast
25% of 108 decks +25% synergy
Whisper of the Dross
23% of 322 decks +22% synergy
Dark Ritual
22% of 399 decks -1% synergy
Mana Drain
21% of 14 decks +6% synergy
Nature's Claim
21% of 276 decks +12% synergy
Deadly Rollick
21% of 389 decks +10% synergy
Abrupt Decay
20% of 276 decks +9% synergy
Splendid Agony
19% of 399 decks +19% synergy
Volt Charge
19% of 108 decks +18% synergy
Second Harvest
18% of 276 decks +14% synergy
Chord of Calling
18% of 276 decks +12% synergy
Krosan Grip
18% of 276 decks +10% synergy
Village Rites
17% of 389 decks +7% synergy
Scar
16% of 108 decks +16% synergy
Corrupted Conviction
15% of 260 decks +10% synergy
Worldly Tutor
14% of 276 decks -0% synergy
Fell the Profane
14% of 102 decks +2% synergy
Tibalt's Trickery
13% of 105 decks +8% synergy
Tear Asunder
13% of 241 decks +7% synergy
Plumb the Forbidden
12% of 387 decks +9% synergy
Abrade
12% of 108 decks +1% synergy
Malakir Rebirth
12% of 389 decks +3% synergy
Valakut Awakening
11% of 105 decks +5% synergy
Deadly Dispute
11% of 385 decks -1% synergy
Red Elemental Blast
9% of 108 decks +3% synergy
Veil of Summer
9% of 274 decks +3% synergy
Torment of Venom
9% of 399 decks +8% synergy
Force of Vigor
8% of 276 decks +5% synergy
Lightning Bolt
8% of 108 decks -2% synergy
Virulent Wound
8% of 399 decks +8% synergy
Blood for the Blood God!
8% of 99 decks +4% synergy
Sorceries
Tezzeret's Gambit
57% of 14 decks +54% synergy
Mass Diminish
54% of 13 decks +53% synergy
Cultivate
54% of 276 decks +7% synergy
Kodama's Reach
39% of 276 decks +8% synergy
Vandalblast
38% of 108 decks +22% synergy
Blasphemous Act
38% of 108 decks +4% synergy
Incremental Blight
37% of 399 decks +37% synergy
Unnatural Restoration
36% of 218 decks +32% synergy
Triumph of the Hordes
35% of 276 decks +32% synergy
Demonic Tutor
35% of 399 decks +12% synergy
Rampant Growth
32% of 276 decks -3% synergy
Persist
31% of 386 decks +29% synergy
Nature's Lore
31% of 276 decks -1% synergy
Jeska's Will
29% of 105 decks +11% synergy
Toxic Deluge
28% of 399 decks +11% synergy
Three Visits
26% of 276 decks +2% synergy
Diabolic Intent
26% of 399 decks +17% synergy
Farseek
26% of 276 decks -8% synergy
Shamanic Revelation
22% of 276 decks +13% synergy
Contentious Plan
21% of 14 decks +20% synergy
Chandra's Ignition
21% of 108 decks +17% synergy
Drown in Ichor
20% of 322 decks +18% synergy
Reanimate
20% of 399 decks +4% synergy
Liliana's Influence
17% of 399 decks +17% synergy
Damnation
17% of 399 decks +9% synergy
Victimize
16% of 399 decks +4% synergy
Lethal Sting
15% of 399 decks +15% synergy
Bala Ged Recovery
15% of 269 decks +6% synergy
Culling Ritual
15% of 268 decks +3% synergy
Faithless Looting
14% of 108 decks -3% synergy
Feed the Swarm
14% of 389 decks -4% synergy
Driven // Despair
13% of 276 decks +13% synergy
Finale of Devastation
13% of 276 decks +5% synergy
Smell Fear
13% of 267 decks +12% synergy
Harvest Season
13% of 276 decks +11% synergy
Torment of Hailfire
12% of 399 decks +7% synergy
Green Sun's Zenith
11% of 276 decks +5% synergy
Natural Order
10% of 276 decks +8% synergy
Thirsting Roots
10% of 218 decks +7% synergy
Gamble
9% of 108 decks -1% synergy
Sign in Blood
9% of 399 decks -1% synergy
Agadeem's Awakening
9% of 389 decks +5% synergy
Infectious Inquiry
9% of 322 decks +6% synergy
Night's Whisper
9% of 399 decks -1% synergy
Read the Bones
8% of 399 decks +0% synergy
Beseech the Mirror
7% of 218 decks +3% synergy
Bridgeworks Battle
7% of 74 decks +1% synergy
Grim Tutor
6% of 399 decks +2% synergy
Eldritch Evolution
6% of 276 decks +1% synergy
Attempted Murder
6% of 347 decks +6% synergy
Utility Artifacts
Contagion Clasp
66% of 399 decks +64% synergy
Contagion Engine
60% of 399 decks +59% synergy
Ashnod's Altar
53% of 399 decks +45% synergy
Lightning Greaves
42% of 399 decks +17% synergy
Whispersilk Cloak
29% of 399 decks +25% synergy
The Ozolith
24% of 389 decks +20% synergy
Swiftfoot Boots
23% of 399 decks -5% synergy
Cauldron of Souls
17% of 399 decks +16% synergy
Brotherhood Regalia
13% of 86 decks +8% synergy
Serrated Arrows
12% of 399 decks +12% synergy
Viridian Longbow
12% of 399 decks +11% synergy
Sword of Truth and Justice
11% of 397 decks +9% synergy
Throne of the God-Pharaoh
9% of 399 decks +8% synergy
Eldrazi Monument
9% of 399 decks +8% synergy
Luxior, Giada's Gift
7% of 361 decks +6% synergy
Jet Medallion
7% of 399 decks +4% synergy
The One Ring
6% of 272 decks -3% synergy
Bolas's Citadel
6% of 397 decks -3% synergy
Altar of Dementia
5% of 399 decks +2% synergy
Enchantments
Flourishing Defenses
65% of 276 decks +65% synergy
Crumbling Ashes
64% of 399 decks +63% synergy
Cryptolith Rite
52% of 276 decks +49% synergy
Moldervine Reclamation
39% of 274 decks +30% synergy
Parallel Lives
39% of 276 decks +32% synergy
Growing Rites of Itlimoc
37% of 276 decks +31% synergy
Beastmaster Ascension
31% of 276 decks +26% synergy
Rhystic Study
29% of 14 decks +1% synergy
The Meathook Massacre
28% of 385 decks +23% synergy
Sylvan Library
25% of 276 decks +13% synergy
Spiteful Banditry
24% of 59 decks +21% synergy
Phyrexian Arena
23% of 399 decks +8% synergy
Bastion of Remembrance
21% of 389 decks +15% synergy
Black Market
20% of 399 decks +15% synergy
Insidious Roots
19% of 107 decks +10% synergy
Doubling Season
18% of 276 decks +9% synergy
Deathreap Ritual
17% of 276 decks +12% synergy
Glistening Oil
17% of 399 decks +16% synergy
Fists of the Demigod
16% of 108 decks +16% synergy
Dictate of Erebos
15% of 399 decks +11% synergy
Black Market Connections
13% of 360 decks +2% synergy
Phyrexian Reclamation
13% of 399 decks +9% synergy
Tribute to the World Tree
11% of 189 decks +3% synergy
Revel in Riches
11% of 398 decks +7% synergy
Animate Dead
11% of 399 decks +1% synergy
Impact Tremors
10% of 108 decks +1% synergy
Grave Pact
10% of 399 decks +5% synergy
Journey to Eternity
9% of 276 decks +5% synergy
Vraska Joins Up
9% of 81 decks +3% synergy
Warstorm Surge
8% of 108 decks +3% synergy
Elven Chorus
8% of 158 decks +4% synergy
Virtue of Persistence
7% of 214 decks +4% synergy
Fecundity
7% of 276 decks +6% synergy
Evolutionary Leap
7% of 276 decks +5% synergy
Chthonian Nightmare
6% of 108 decks +4% synergy
Goblin Bombardment
6% of 108 decks +0% synergy
Innkeeper's Talent
6% of 48 decks -2% synergy
Bitterblossom
6% of 399 decks +2% synergy
Earthcraft
6% of 276 decks +5% synergy
Underworld Breach
6% of 105 decks -0% synergy
Cultist of the Absolute
5% of 360 decks +5% synergy
Sylvan Anthem
5% of 267 decks +3% synergy
Necropotence
5% of 399 decks -0% synergy
Planeswalkers
Vraska, Betrayal's Sting
33% of 326 decks +30% synergy
Liliana, Death Wielder
19% of 399 decks +19% synergy
Vraska, Golgari Queen
19% of 276 decks +16% synergy
Liliana, Dreadhorde General
6% of 397 decks +2% synergy
Utility Lands
Karn's Bastion
65% of 397 decks +60% synergy
Urborg, Tomb of Yawgmoth
50% of 399 decks +40% synergy
Bojuka Bog
50% of 399 decks +19% synergy
Reliquary Tower
38% of 399 decks +9% synergy
Phyrexian Tower
36% of 399 decks +28% synergy
Boseiju, Who Endures
36% of 251 decks +16% synergy
Rogue's Passage
33% of 399 decks +14% synergy
Grasping Dunes
32% of 399 decks +31% synergy
Yavimaya, Cradle of Growth
31% of 386 decks +22% synergy
Cabal Coffers
31% of 399 decks +21% synergy
Nesting Grounds
29% of 389 decks +27% synergy
Ifnir Deadlands
27% of 399 decks +27% synergy
Minamo, School at Water's Edge
21% of 14 decks +17% synergy
Takenuma, Abandoned Mire
21% of 368 decks +11% synergy
Shizo, Death's Storehouse
19% of 399 decks +14% synergy
Oran-Rief, the Vastwood
18% of 276 decks +13% synergy
Grim Backwoods
16% of 276 decks +12% synergy
Access Tunnel
16% of 387 decks +13% synergy
Westvale Abbey
15% of 399 decks +13% synergy
Gaea's Cradle
14% of 276 decks +9% synergy
Ancient Tomb
13% of 399 decks +3% synergy
Fountainport
12% of 57 decks +8% synergy
Castle Locthwain
10% of 394 decks +5% synergy
Sokenzan, Crucible of Defiance
9% of 103 decks +4% synergy
Scavenger Grounds
9% of 399 decks +5% synergy
Forgotten Cave
8% of 108 decks +4% synergy
Three Tree City
8% of 84 decks -1% synergy
Temple of the False God
8% of 399 decks -2% synergy
Inkmoth Nexus
8% of 399 decks +7% synergy
Restless Vents
8% of 52 decks +5% synergy
Desert of the Fervent
7% of 108 decks +6% synergy
Desert of the Glorified
6% of 399 decks +6% synergy
Barren Moor
6% of 399 decks +3% synergy
Witch's Cottage
6% of 394 decks +2% synergy
Spymaster's Vault
6% of 102 decks +2% synergy
Desert of the Indomitable
6% of 276 decks +5% synergy
Shifting Woodland
5% of 74 decks -4% synergy
Hissing Quagmire
5% of 276 decks +4% synergy
Mana Artifacts
Sol Ring
85% of 399 decks +1% synergy
Arcane Signet
74% of 394 decks +2% synergy
Rakdos Signet
59% of 108 decks +30% synergy
Talisman of Indulgence
44% of 108 decks +17% synergy
Golgari Signet
38% of 276 decks +26% synergy
Talisman of Resilience
36% of 276 decks +24% synergy
Dimir Signet
29% of 14 decks -1% synergy
Talisman of Dominance
29% of 14 decks -3% synergy
Staff of Compleation
18% of 322 decks +17% synergy
Thought Vessel
16% of 399 decks -1% synergy
Glistening Sphere
10% of 322 decks +9% synergy
Commander's Sphere
8% of 399 decks -7% synergy
Mana Crypt
8% of 399 decks -1% synergy
Fellwar Stone
7% of 399 decks -14% synergy
Everflowing Chalice
7% of 399 decks +2% synergy
Mind Stone
6% of 399 decks -12% synergy
Lands
Ziatora's Proving Ground
93% of 14 decks +61% synergy
Command Tower
83% of 399 decks +10% synergy
Overgrown Tomb
78% of 276 decks +35% synergy
Blood Crypt
69% of 108 decks +30% synergy
Dragonskull Summit
67% of 108 decks +36% synergy
Woodland Cemetery
64% of 276 decks +36% synergy
Undergrowth Stadium
61% of 269 decks +34% synergy
Zagoth Triome
60% of 5 decks +29% synergy
Breeding Pool
60% of 5 decks +19% synergy
Watery Grave
57% of 14 decks +16% synergy
Llanowar Wastes
55% of 276 decks +30% synergy
Haunted Ridge
55% of 104 decks +39% synergy
Luxury Suite
54% of 107 decks +28% synergy
Smoldering Marsh
54% of 108 decks +21% synergy
Deathcap Glade
52% of 263 decks +38% synergy
Tainted Wood
47% of 276 decks +34% synergy
Savage Lands
47% of 17 decks +24% synergy
Stomping Ground
47% of 17 decks +6% synergy
Raucous Theater
45% of 38 decks +32% synergy
Tainted Isle
43% of 14 decks +32% synergy
Dimir Aqueduct
43% of 14 decks +26% synergy
Drowned Catacomb
43% of 14 decks +17% synergy
Twilight Mire
41% of 276 decks +31% synergy
Spire Garden
41% of 17 decks +17% synergy
Verdant Catacombs
39% of 399 decks +27% synergy
Darkbore Pathway
39% of 269 decks +30% synergy
Shipwreck Marsh
38% of 13 decks +20% synergy
Rockfall Vale
38% of 16 decks +15% synergy
Tainted Peak
37% of 108 decks +27% synergy
Underground Mortuary
37% of 115 decks +20% synergy
Graven Cairns
36% of 108 decks +28% synergy
Morphic Pool
36% of 14 decks +10% synergy
Sulfurous Springs
35% of 108 decks +15% synergy
Rakdos Carnarium
34% of 108 decks +20% synergy
Golgari Rot Farm
33% of 276 decks +15% synergy
Blightstep Pathway
32% of 105 decks +23% synergy
Rootbound Crag
29% of 17 decks +6% synergy
Cinder Glade
29% of 17 decks -9% synergy
Underground River
29% of 14 decks +9% synergy
Sunken Hollow
29% of 14 decks -6% synergy
Necroblossom Snarl
28% of 268 decks +16% synergy
Temple of Malady
28% of 276 decks +12% synergy
Exotic Orchard
25% of 399 decks -11% synergy
Temple of Malice
24% of 108 decks +10% synergy
Clearwater Pathway
23% of 13 decks +13% synergy
Bayou
22% of 276 decks +9% synergy
Foreboding Ruins
22% of 108 decks +6% synergy
Underground Sea
21% of 14 decks +7% synergy
Darkwater Catacombs
21% of 14 decks +7% synergy
Mount Doom
21% of 71 decks +13% synergy