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
5.11% of 4813 decks 246 decks
The Scorpion God
4.16% of 2162 decks 90 decks
Yawgmoth, Thran Physician
0.20% of 5567 decks 11 decks
Xira, the Golden Sting
0.48% of 2275 decks 11 decks
Toxrill, the Corrosive
0.14% of 5541 decks 8 decks
Massacre Girl, Known Killer
0.20% of 3946 decks 8 decks
Mikaeus, the Unhallowed
0.22% of 1337 decks 3 decks
Atraxa, Praetors' Voice
0.01% of 35211 decks 2 decks
Skeleton Ship
0.27% of 737 decks 2 decks
Sek'Kuar, Deathkeeper
0.15% of 1324 decks 2 decks
Brimaz, Blight of Oreskos
0.01% of 7684 decks 1 decks
Kenrith, the Returned King
0.00% of 21513 decks 1 decks
Lyzolda, the Blood Witch
0.25% of 397 decks 1 decks
Maha, Its Feathers Night
0.04% of 2469 decks 1 decks
Mishra, Claimed by Gix
0.02% of 4139 decks 1 decks
Xavier Sal, Infested Captain
0.02% of 4399 decks 1 decks
Esika, God of the Tree
0.01% of 17767 decks 1 decks
Cleopatra, Exiled Pharaoh
0.10% of 968 decks 1 decks
New Cards
Persistent Constrictor
100% of 30 decks +91% synergy
Enduring Vitality
14% of 22 decks -11% synergy
High Synergy Cards
Everlasting Torment
94% of 109 decks +93% synergy
Obelisk Spider
93% of 270 decks +92% synergy
Necroskitter
88% of 396 decks +88% synergy
Black Sun's Zenith
89% of 396 decks +88% synergy
Kulrath Knight
85% of 109 decks +85% synergy
Generous Patron
84% of 270 decks +84% synergy
Flatline
83% of 6 decks +83% synergy
Yawgmoth, Thran Physician
86% of 393 decks +83% synergy
Devoted Druid
84% of 270 decks +81% synergy
Wickerbough Elder
81% of 270 decks +81% synergy
Top Cards
All Will Be One
79% of 92 decks +76% synergy
Massacre Girl, Known Killer
78% of 174 decks +76% synergy
Spitting Dilophosaurus
77% of 195 decks +76% synergy
Maha, Its Feathers Night
77% of 65 decks +74% synergy
Channeler Initiate
76% of 270 decks +75% synergy
Inexorable Tide
75% of 16 decks +72% synergy
Flux Channeler
75% of 16 decks +72% synergy
Skullclamp
75% of 396 decks +62% synergy
Soul Snuffers
72% of 396 decks +72% synergy
Volrath, the Shapestealer
67% of 6 decks +66% synergy
Creatures
Tekuthal, Inquiry Dominus
67% of 9 decks +64% synergy
Evolution Sage
65% of 270 decks +58% synergy
Blood Artist
62% of 396 decks +51% synergy
Sludge Monster
60% of 15 decks +59% synergy
Midnight Banshee
59% of 396 decks +59% synergy
Mahadi, Emporium Master
57% of 103 decks +51% synergy
Fynn, the Fangbearer
57% of 262 decks +56% synergy
Zulaport Cutthroat
57% of 396 decks +47% synergy
Stigma Lasher
49% of 109 decks +48% synergy
Dusk Urchins
45% of 396 decks +45% synergy
Cankerbloom
45% of 205 decks +38% synergy
Quillspike
44% of 270 decks +43% synergy
Ammit Eternal
43% of 396 decks +43% synergy
Skinrender
41% of 396 decks +41% synergy
Seshiro the Anointed
41% of 270 decks +41% synergy
Poison-Tip Archer
39% of 270 decks +34% synergy
Mirkwood Bats
38% of 235 decks +26% synergy
Thrummingbird
38% of 16 decks +34% synergy
Spark Double
38% of 16 decks +30% synergy
Ohran Frostfang
37% of 267 decks +31% synergy
Chatterfang, Squirrel General
37% of 260 decks +31% synergy
Banewhip Punisher
36% of 396 decks +35% synergy
Hooded Blightfang
35% of 385 decks +35% synergy
Corrosive Mentor
34% of 396 decks +34% synergy
Sakura-Tribe Elder
33% of 270 decks +15% synergy
Ivy Lane Denizen
33% of 270 decks +31% synergy
Pitiless Plunderer
31% of 395 decks +24% synergy
Toski, Bearer of Secrets
31% of 262 decks +23% synergy
Birds of Paradise
30% of 270 decks +3% synergy
Soul-Scar Mage
29% of 109 decks +29% synergy
Magda, the Hoardmaster
29% of 28 decks +26% synergy
Toxrill, the Corrosive
29% of 14 decks +26% synergy
Murderous Redcap
28% of 109 decks +27% synergy
Mikaeus, the Unhallowed
28% of 396 decks +26% synergy
Craterhoof Behemoth
28% of 270 decks +22% synergy
Wight of the Reliquary
27% of 63 decks +18% synergy
Sakashima of a Thousand Faces
27% of 15 decks +23% synergy
Eternal Witness
26% of 270 decks +5% synergy
Ignoble Hierarch
25% of 16 decks -1% synergy
Hateflayer
25% of 109 decks +25% synergy
Fume Spitter
24% of 396 decks +24% synergy
Elves of Deep Shadow
24% of 270 decks +13% synergy
Dockside Extortionist
23% of 107 decks +11% synergy
Jin-Gitaxias, Progress Tyrant
21% of 14 decks +18% synergy
Harbinger of Night
21% of 396 decks +21% synergy
Rottenmouth Viper
20% of 40 decks +16% synergy
Decimator Beetle
20% of 270 decks +19% synergy
Deathrite Shaman
20% of 270 decks +8% synergy
Hunted Phantasm
19% of 16 decks +19% synergy
Viral Drake
19% of 16 decks +18% synergy
Instants
Beast Within
59% of 270 decks +20% synergy
Grim Affliction
59% of 396 decks +58% synergy
Assassin's Trophy
58% of 270 decks +28% synergy
Heroic Intervention
47% of 270 decks +18% synergy
Cyclonic Rift
44% of 16 decks +16% synergy
Atomize
40% of 83 decks +33% synergy
Polymorphist's Jest
38% of 16 decks +37% synergy
Chaos Warp
37% of 109 decks +5% synergy
Terminate
31% of 109 decks +10% synergy
Bedevil
31% of 108 decks +16% synergy
Rakdos Charm
30% of 109 decks +16% synergy
Revitalizing Repast
29% of 58 decks +17% synergy
Deflecting Swat
28% of 106 decks +12% synergy
Putrefy
28% of 270 decks +12% synergy
Sudden Spoiling
27% of 396 decks +25% synergy
Vampiric Tutor
27% of 396 decks +8% synergy
Golgari Charm
25% of 270 decks +19% synergy
Fuel for the Cause
25% of 16 decks +24% synergy
Swan Song
25% of 16 decks +8% synergy
Counterspell
25% of 16 decks -18% synergy
Puncture Blast
25% of 109 decks +25% synergy
Whisper of the Dross
24% of 310 decks +22% synergy
Nature's Claim
23% of 270 decks +13% synergy
Dark Ritual
22% of 396 decks -1% synergy
Abrupt Decay
21% of 270 decks +11% synergy
Deadly Rollick
21% of 385 decks +10% synergy
Volt Charge
20% of 109 decks +20% synergy
Splendid Agony
19% of 396 decks +19% synergy
Second Harvest
19% of 270 decks +14% synergy
Mana Drain
19% of 16 decks +4% synergy
Chord of Calling
19% of 270 decks +13% synergy
Krosan Grip
18% of 270 decks +10% synergy
Scar
17% of 109 decks +16% synergy
Village Rites
16% of 385 decks +6% synergy
Fell the Profane
15% of 85 decks +3% synergy
Corrupted Conviction
14% of 247 decks +8% synergy
Tibalt's Trickery
14% of 106 decks +8% synergy
Worldly Tutor
14% of 270 decks -0% synergy
Tear Asunder
14% of 230 decks +7% synergy
Abrade
13% of 109 decks +2% synergy
Plumb the Forbidden
12% of 383 decks +9% synergy
Malakir Rebirth
11% of 385 decks +3% synergy
Valakut Awakening
11% of 106 decks +5% synergy
Deadly Dispute
10% of 381 decks -1% synergy
Red Elemental Blast
9% of 109 decks +3% synergy
Force of Vigor
9% of 269 decks +6% synergy
Veil of Summer
9% of 267 decks +2% synergy
Torment of Venom
8% of 396 decks +8% synergy
Lightning Bolt
8% of 109 decks -2% synergy
Crop Rotation
8% of 270 decks -2% synergy
Sorceries
Mass Diminish
53% of 15 decks +53% synergy
Cultivate
53% of 270 decks +7% synergy
Tezzeret's Gambit
50% of 16 decks +46% synergy
Kodama's Reach
40% of 270 decks +9% synergy
Blasphemous Act
39% of 109 decks +5% synergy
Incremental Blight
38% of 396 decks +38% synergy
Vandalblast
38% of 109 decks +21% synergy
Demonic Tutor
35% of 396 decks +13% synergy
Triumph of the Hordes
35% of 270 decks +32% synergy
Unnatural Restoration
34% of 205 decks +30% synergy
Rampant Growth
33% of 270 decks -2% synergy
Persist
31% of 382 decks +28% synergy
Nature's Lore
30% of 270 decks -2% synergy
Toxic Deluge
29% of 396 decks +12% synergy
Jeska's Will
28% of 106 decks +11% synergy
Diabolic Intent
27% of 396 decks +18% synergy
Three Visits
26% of 270 decks +1% synergy
Farseek
26% of 270 decks -9% synergy
Shamanic Revelation
22% of 270 decks +13% synergy
Chandra's Ignition
22% of 109 decks +18% synergy
Drown in Ichor
21% of 310 decks +18% synergy
Reanimate
20% of 396 decks +5% synergy
Contentious Plan
19% of 16 decks +17% synergy
Damnation
17% of 396 decks +9% synergy
Liliana's Influence
17% of 396 decks +17% synergy
Victimize
17% of 396 decks +5% synergy
Lethal Sting
15% of 396 decks +15% synergy
Culling Ritual
15% of 261 decks +4% synergy
Bala Ged Recovery
15% of 262 decks +6% synergy
Driven // Despair
14% of 270 decks +14% synergy
Harvest Season
14% of 270 decks +12% synergy
Feed the Swarm
14% of 385 decks -4% synergy
Smell Fear
14% of 260 decks +13% synergy
Faithless Looting
14% of 109 decks -3% synergy
Finale of Devastation
14% of 270 decks +5% synergy
Torment of Hailfire
12% of 396 decks +7% synergy
Green Sun's Zenith
11% of 270 decks +5% synergy
Natural Order
10% of 270 decks +8% synergy
Thirsting Roots
9% of 205 decks +7% synergy
Gamble
9% of 109 decks -1% synergy
Sign in Blood
9% of 396 decks -1% synergy
Agadeem's Awakening
9% of 385 decks +5% synergy
Bridgeworks Battle
9% of 58 decks +3% synergy
Infectious Inquiry
8% of 310 decks +6% synergy
Night's Whisper
8% of 396 decks -1% synergy
Read the Bones
8% of 396 decks -0% synergy
Beseech the Mirror
7% of 205 decks +3% synergy
Casualties of War
7% of 270 decks +2% synergy
Eldritch Evolution
7% of 270 decks +2% synergy
Grim Tutor
7% of 396 decks +2% synergy
Utility Artifacts
Contagion Clasp
67% of 396 decks +65% synergy
Contagion Engine
60% of 396 decks +59% synergy
Ashnod's Altar
53% of 396 decks +45% synergy
Lightning Greaves
43% of 396 decks +17% synergy
Whispersilk Cloak
30% of 396 decks +26% synergy
The Ozolith
24% of 385 decks +21% synergy
Swiftfoot Boots
23% of 396 decks -5% synergy
Cauldron of Souls
16% of 396 decks +16% synergy
Viridian Longbow
12% of 396 decks +12% synergy
Serrated Arrows
12% of 396 decks +12% synergy
Sword of Truth and Justice
11% of 393 decks +9% synergy
Brotherhood Regalia
10% of 68 decks +5% synergy
Throne of the God-Pharaoh
8% of 396 decks +7% synergy
Eldrazi Monument
8% of 396 decks +7% synergy
Jet Medallion
7% of 396 decks +4% synergy
Luxior, Giada's Gift
7% of 353 decks +6% synergy
The One Ring
6% of 259 decks -3% synergy
Bolas's Citadel
6% of 394 decks -3% synergy
Enchantments
Flourishing Defenses
64% of 270 decks +64% synergy
Crumbling Ashes
64% of 396 decks +64% synergy
Cryptolith Rite
52% of 270 decks +49% synergy
Moldervine Reclamation
40% of 267 decks +31% synergy
Parallel Lives
38% of 270 decks +31% synergy
Rhystic Study
38% of 16 decks +10% synergy
Growing Rites of Itlimoc
37% of 270 decks +32% synergy
Beastmaster Ascension
33% of 270 decks +27% synergy
The Meathook Massacre
29% of 379 decks +24% synergy
Sylvan Library
26% of 270 decks +14% synergy
Propaganda
25% of 16 decks +13% synergy
Spiteful Banditry
24% of 58 decks +22% synergy
Phyrexian Arena
23% of 396 decks +9% synergy
Bastion of Remembrance
21% of 385 decks +15% synergy
Black Market
21% of 396 decks +16% synergy
Insidious Roots
20% of 92 decks +11% synergy
Doubling Season
19% of 270 decks +10% synergy
Glistening Oil
16% of 396 decks +16% synergy
Fists of the Demigod
16% of 109 decks +15% synergy
Deathreap Ritual
16% of 270 decks +11% synergy
Dictate of Erebos
15% of 396 decks +11% synergy
Phyrexian Reclamation
13% of 396 decks +10% synergy
Black Market Connections
13% of 352 decks +2% synergy
Revel in Riches
11% of 395 decks +7% synergy
Animate Dead
11% of 396 decks +1% synergy
Impact Tremors
10% of 109 decks +1% synergy
Grave Pact
10% of 396 decks +5% synergy
Journey to Eternity
10% of 270 decks +6% synergy
Vraska Joins Up
9% of 66 decks +4% synergy
Tribute to the World Tree
9% of 176 decks +1% synergy
Elven Chorus
9% of 145 decks +4% synergy
Warstorm Surge
8% of 109 decks +3% synergy
Chthonian Nightmare
8% of 92 decks +5% synergy
Virtue of Persistence
7% of 201 decks +4% synergy
Evolutionary Leap
7% of 270 decks +5% synergy
Fecundity
7% of 270 decks +6% synergy
Goblin Bombardment
6% of 109 decks -0% synergy
Bitterblossom
6% of 396 decks +2% synergy
Earthcraft
6% of 270 decks +5% synergy
Underworld Breach
6% of 106 decks -1% synergy
Cultist of the Absolute
5% of 352 decks +5% synergy
Necropotence
5% of 396 decks -0% synergy
Planeswalkers
Vraska, Betrayal's Sting
33% of 314 decks +29% synergy
Vraska, Golgari Queen
19% of 270 decks +16% synergy
Liliana, Death Wielder
19% of 396 decks +19% synergy
Liliana, Dreadhorde General
6% of 394 decks +2% synergy
Utility Lands
Karn's Bastion
65% of 394 decks +60% synergy
Urborg, Tomb of Yawgmoth
50% of 396 decks +40% synergy
Bojuka Bog
50% of 396 decks +20% synergy
Reliquary Tower
39% of 396 decks +9% synergy
Phyrexian Tower
36% of 396 decks +27% synergy
Boseiju, Who Endures
35% of 240 decks +15% synergy
Rogue's Passage
34% of 396 decks +15% synergy
Cabal Coffers
32% of 396 decks +21% synergy
Grasping Dunes
31% of 396 decks +31% synergy
Yavimaya, Cradle of Growth
31% of 382 decks +21% synergy
Nesting Grounds
28% of 385 decks +26% synergy
Ifnir Deadlands
28% of 396 decks +27% synergy
Takenuma, Abandoned Mire
21% of 360 decks +11% synergy
Minamo, School at Water's Edge
19% of 16 decks +15% synergy
Shizo, Death's Storehouse
18% of 396 decks +14% synergy
Oran-Rief, the Vastwood
18% of 270 decks +13% synergy
Grim Backwoods
17% of 270 decks +13% synergy
Gaea's Cradle
16% of 270 decks +10% synergy
Access Tunnel
15% of 383 decks +13% synergy
Westvale Abbey
15% of 396 decks +13% synergy
Ancient Tomb
13% of 396 decks +3% synergy
Fountainport
13% of 38 decks +9% synergy
Castle Locthwain
10% of 390 decks +5% synergy
Sokenzan, Crucible of Defiance
10% of 104 decks +5% synergy
Scavenger Grounds
9% of 396 decks +5% synergy
Inkmoth Nexus
8% of 396 decks +8% synergy
Desert of the Fervent
8% of 109 decks +7% synergy
Forgotten Cave
8% of 109 decks +4% synergy
Temple of the False God
8% of 396 decks -2% synergy
Restless Vents
8% of 51 decks +5% synergy
Spymaster's Vault
7% of 85 decks +3% synergy
Shifting Woodland
7% of 58 decks -3% synergy
Desert of the Glorified
7% of 396 decks +6% synergy
Barren Moor
7% of 396 decks +3% synergy
Desert of the Indomitable
6% of 270 decks +5% synergy
Witch's Cottage
6% of 390 decks +2% synergy
Hissing Quagmire
5% of 270 decks +4% synergy
Mana Artifacts
Sol Ring
86% of 396 decks +1% synergy
Arcane Signet
73% of 390 decks +1% synergy
Rakdos Signet
60% of 109 decks +30% synergy
Talisman of Indulgence
44% of 109 decks +18% synergy
Golgari Signet
38% of 270 decks +25% synergy
Talisman of Resilience
36% of 269 decks +25% synergy
Dimir Signet
25% of 16 decks -5% synergy
Talisman of Dominance
25% of 16 decks -6% synergy
Staff of Compleation
19% of 310 decks +17% synergy
Thought Vessel
16% of 396 decks -1% synergy
Glistening Sphere
10% of 310 decks +9% synergy
Mana Crypt
8% of 396 decks -1% synergy
Commander's Sphere
8% of 396 decks -7% synergy
Fellwar Stone
8% of 396 decks -13% synergy
Everflowing Chalice
7% of 396 decks +2% synergy
Mind Stone
5% of 396 decks -12% synergy
Mana Vault
5% of 396 decks -1% synergy
Lands
Ziatora's Proving Ground
93% of 14 decks +61% synergy
Command Tower
82% of 396 decks +8% synergy
Overgrown Tomb
76% of 270 decks +34% synergy
Indatha Triome
75% of 4 decks +44% synergy
Blood Crypt
69% of 109 decks +30% synergy
Dragonskull Summit
67% of 109 decks +36% synergy
Zagoth Triome
67% of 6 decks +36% synergy
Breeding Pool
67% of 6 decks +26% synergy
Woodland Cemetery
63% of 270 decks +35% synergy
Watery Grave
62% of 16 decks +22% synergy
Undergrowth Stadium
58% of 262 decks +32% synergy
Llanowar Wastes
55% of 270 decks +29% synergy
Luxury Suite
55% of 108 decks +28% synergy
Haunted Ridge
54% of 105 decks +38% synergy
Smoldering Marsh
54% of 109 decks +22% synergy
Deathcap Glade
50% of 254 decks +36% synergy
Tainted Wood
47% of 270 decks +35% synergy
Savage Lands
47% of 17 decks +24% synergy
Stomping Ground
47% of 17 decks +6% synergy
Raucous Theater
44% of 36 decks +31% synergy
Spire Garden
41% of 17 decks +17% synergy
Twilight Mire
40% of 270 decks +30% synergy
Darkbore Pathway
38% of 262 decks +29% synergy
Underground Mortuary
38% of 101 decks +21% synergy
Tainted Isle
38% of 16 decks +27% synergy
Dimir Aqueduct
38% of 16 decks +20% synergy
Rockfall Vale
38% of 16 decks +15% synergy
Drowned Catacomb
38% of 16 decks +12% synergy
Verdant Catacombs
37% of 396 decks +26% synergy
Tainted Peak
37% of 109 decks +27% synergy
Graven Cairns
35% of 109 decks +27% synergy
Rakdos Carnarium
35% of 109 decks +20% synergy
Sulfurous Springs
34% of 109 decks +14% synergy
Shipwreck Marsh
33% of 15 decks +14% synergy
Blightstep Pathway
33% of 106 decks +23% synergy
Golgari Rot Farm
32% of 270 decks +14% synergy
Morphic Pool
31% of 16 decks +5% synergy
Rootbound Crag
29% of 17 decks +6% synergy
Cinder Glade
29% of 17 decks -9% synergy
Temple of Malady
27% of 270 decks +11% synergy
Necroblossom Snarl
27% of 261 decks +15% synergy
Underground Sea
25% of 16 decks +11% synergy
Underground River
25% of 16 decks +6% synergy
Sunken Hollow
25% of 16 decks -10% synergy
Exotic Orchard
25% of 396 decks -11% synergy
Temple of Malice
25% of 109 decks +11% synergy
Foreboding Ruins
23% of 109 decks +7% synergy
Bayou
21% of 270 decks +8% synergy
Mount Doom
21% of 70 decks +14% synergy
Canyon Slough
20% of 109 decks +14% synergy