Quillspike + Phyrexian Altar + Putrid Goblin

Quillspike
Phyrexian Altar
Putrid Goblin

Requires
Quillspike must be on the battlefield. Phyrexian Altar must be on the battlefield. Putrid Goblin must be on the battlefield.
Steps
  1. Activate Phyrexian Altar by sacrificing Putrid Goblin, adding bg.
  2. When Putrid Goblin dies, its persist ability triggers, returning it to the battlefield from your graveyard with a -1/-1 counter on it.
  3. Activate Quillspike by paying bg and removing the -1/-1 counter from Putrid Goblin, giving Quillspike +3/+3 until end of turn.
  4. Repeat.
Results
Infinite death triggers. Infinite ETB. Infinite LTB. Infinitely large Quillspike until end of turn. Infinite sacrifice triggers.

Hapatra, Vizier of Poisons
0.10% of 4957 decks 5 decks
Gyome, Master Chef
0.13% of 3849 decks 5 decks
Meren of Clan Nel Toth
0.02% of 16532 decks 4 decks
Tayam, Luminous Enigma
0.05% of 6455 decks 3 decks
Slimefoot and Squee
0.01% of 8886 decks 1 decks
Shattergang Brothers
0.06% of 1777 decks 1 decks
Viconia, Drow Apostate // Master Chef
3.23% of 31 decks 1 decks
Yargle and Multani
0.02% of 5991 decks 1 decks
Savra, Queen of the Golgari
0.03% of 3425 decks 1 decks
Xavier Sal, Infested Captain
0.02% of 6012 decks 1 decks
Ghave, Guru of Spores
0.02% of 6617 decks 1 decks
Slimefoot, the Stowaway
0.02% of 5060 decks 1 decks
Myrkul, Lord of Bones
0.01% of 7194 decks 1 decks
Jared Carthalion
0.02% of 4438 decks 1 decks
Bhaal, Lord of Murder
0.07% of 1382 decks 1 decks
Thalia and The Gitrog Monster
0.01% of 13714 decks 1 decks
Grist, the Hunger Tide
0.02% of 6069 decks 1 decks
Karador, Ghost Chieftain
0.02% of 5612 decks 1 decks
High Synergy Cards
Safehold Elite
100% of 8 decks +100% synergy
Kitchen Finks
100% of 8 decks +100% synergy
Murderous Redcap
100% of 4 decks +98% synergy
Goblin Bombardment
100% of 4 decks +94% synergy
Ashnod's Altar
84% of 32 decks +77% synergy
Vizier of Remedies
75% of 8 decks +75% synergy
Devoted Druid
75% of 32 decks +72% synergy
Lesser Masticore
62% of 32 decks +62% synergy
Luminous Broodmoth
62% of 8 decks +61% synergy
Melira, Sylvok Outcast
59% of 32 decks +59% synergy
Top Cards
Blood Artist
66% of 32 decks +54% synergy
Viscera Seer
62% of 32 decks +54% synergy
Zulaport Cutthroat
62% of 32 decks +53% synergy
Pitiless Plunderer
59% of 32 decks +52% synergy
Altar of Dementia
56% of 32 decks +54% synergy
Mikaeus, the Unhallowed
53% of 32 decks +50% synergy
Carrion Feeder
53% of 32 decks +48% synergy
Rendclaw Trow
50% of 32 decks +50% synergy
Birds of Paradise
50% of 32 decks +23% synergy
Swords to Plowshares
50% of 8 decks -13% synergy
Game Changers
Demonic Tutor
41% of 32 decks +19% synergy
Vampiric Tutor
34% of 32 decks +17% synergy
Imperial Seal
19% of 32 decks +13% synergy
Mox Diamond
12% of 32 decks +8% synergy
Gaea's Cradle
12% of 32 decks +7% synergy
Glacial Chasm
9% of 32 decks +9% synergy
Survival of the Fittest
9% of 32 decks +8% synergy
Bolas's Citadel
9% of 32 decks +1% synergy
Ancient Tomb
9% of 32 decks -1% synergy
Creatures
Mayhem Devil
75% of 4 decks +65% synergy
Eternal Witness
44% of 32 decks +24% synergy
Kithkin Spellduster
38% of 8 decks +37% synergy
Heartmender
38% of 8 decks +37% synergy
Twilight Shepherd
38% of 8 decks +37% synergy
Hallowed Spiritkeeper
38% of 8 decks +37% synergy
Fiend Hunter
38% of 8 decks +36% synergy
Saffi Eriksdotter
38% of 8 decks +36% synergy
Reveillark
38% of 8 decks +36% synergy
Good-Fortune Unicorn
38% of 8 decks +35% synergy
Heliod, Sun-Crowned
38% of 8 decks +34% synergy
Karmic Guide
38% of 8 decks +33% synergy
Sakura-Tribe Elder
38% of 32 decks +20% synergy
Yawgmoth, Thran Physician
34% of 32 decks +31% synergy
Spike Feeder
31% of 32 decks +31% synergy
Woodfall Primus
31% of 32 decks +30% synergy
Walking Ballista
31% of 32 decks +29% synergy
Chatterfang, Squirrel General
31% of 32 decks +26% synergy
Warren Soultrader
30% of 20 decks +25% synergy
Puppeteer Clique
28% of 32 decks +27% synergy
Ivy Lane Denizen
28% of 32 decks +26% synergy
Gravecrawler
28% of 32 decks +25% synergy
Triskelion
25% of 32 decks +25% synergy
Marionette Apprentice
25% of 20 decks +20% synergy
Elvish Mystic
25% of 32 decks +8% synergy
Llanowar Elves
25% of 32 decks +4% synergy
Delighted Halfling
23% of 31 decks +11% synergy
Channeler Initiate
22% of 32 decks +22% synergy
Young Wolf
22% of 32 decks +21% synergy
Necrotic Ooze
22% of 32 decks +21% synergy
Protean Hulk
22% of 32 decks +20% synergy
Scurry Oak
22% of 32 decks +20% synergy
Pawn of Ulamog
22% of 32 decks +20% synergy
Fiend Artisan
22% of 32 decks +20% synergy
Mazirek, Kraul Death Priest
22% of 32 decks +19% synergy
Reassembling Skeleton
22% of 32 decks +18% synergy
Grim Haruspex
22% of 32 decks +18% synergy
Elves of Deep Shadow
22% of 32 decks +12% synergy
Deathrite Shaman
22% of 32 decks +10% synergy
Grim Poppet
19% of 32 decks +19% synergy
Aerie Ouphes
19% of 32 decks +19% synergy
Herd Baloth
19% of 32 decks +18% synergy
Obelisk Spider
19% of 32 decks +18% synergy
Spore Frog
19% of 32 decks +16% synergy
Wingrattle Scarecrow
16% of 32 decks +16% synergy
Wickerbough Elder
16% of 32 decks +15% synergy
Hapatra, Vizier of Poisons
16% of 32 decks +15% synergy
Renata, Called to the Hunt
16% of 32 decks +14% synergy
Ayara, First of Locthwain
16% of 32 decks +12% synergy
Jaheira, Friend of the Forest
16% of 32 decks +11% synergy
Instants
Cauldron Haze
38% of 8 decks +37% synergy
Beast Within
34% of 32 decks -3% synergy
Dark Ritual
31% of 32 decks +9% synergy
Assassin's Trophy
28% of 32 decks -2% synergy
Worldly Tutor
25% of 32 decks +11% synergy
Abrupt Decay
22% of 32 decks +12% synergy
Deadly Dispute
22% of 32 decks +11% synergy
Entomb
19% of 32 decks +11% synergy
Deadly Rollick
19% of 32 decks +7% synergy
Putrefy
19% of 32 decks +3% synergy
Culling the Weak
16% of 32 decks +12% synergy
Village Rites
16% of 32 decks +6% synergy
Heroic Intervention
16% of 32 decks -14% synergy
Rushed Rebirth
12% of 32 decks +11% synergy
Tragic Slip
12% of 32 decks +9% synergy
Krosan Grip
12% of 32 decks +6% synergy
Shred Memory
9% of 32 decks +9% synergy
Force of Vigor
9% of 32 decks +6% synergy
Noxious Revival
9% of 32 decks +4% synergy
Golgari Charm
9% of 32 decks +4% synergy
Sorceries
Diabolic Intent
47% of 32 decks +39% synergy
Cultivate
34% of 32 decks -11% synergy
Reanimate
25% of 32 decks +8% synergy
Nature's Lore
25% of 32 decks -7% synergy
Victimize
22% of 32 decks +10% synergy
Three Visits
19% of 32 decks -6% synergy
Beseech the Queen
16% of 32 decks +15% synergy
Unearth
16% of 32 decks +12% synergy
Eldritch Evolution
16% of 32 decks +11% synergy
Damnation
16% of 32 decks +8% synergy
Kodama's Reach
16% of 32 decks -15% synergy
Rampant Growth
16% of 32 decks -19% synergy
Primal Growth
12% of 32 decks +12% synergy
Black Sun's Zenith
12% of 32 decks +11% synergy
Grim Tutor
12% of 32 decks +8% synergy
Dread Return
12% of 32 decks +7% synergy
Buried Alive
12% of 32 decks +7% synergy
Diabolic Tutor
12% of 32 decks +6% synergy
Skyshroud Claim
12% of 32 decks +4% synergy
Toxic Deluge
12% of 32 decks -5% synergy
Farseek
12% of 32 decks -22% synergy
Chain of Smog
9% of 32 decks +8% synergy
Jarad's Orders
9% of 32 decks +8% synergy
Life's Legacy
9% of 32 decks +7% synergy
Persist
9% of 32 decks +7% synergy
Unmarked Grave
9% of 32 decks +7% synergy
Triumph of the Hordes
9% of 32 decks +6% synergy
Bala Ged Recovery
9% of 32 decks +1% synergy
Feed the Swarm
9% of 32 decks -8% synergy
Utility Artifacts
Blasting Station
28% of 32 decks +28% synergy
Cauldron of Souls
25% of 32 decks +25% synergy
Skullclamp
25% of 32 decks +13% synergy
Agatha's Soul Cauldron
21% of 28 decks +20% synergy
Nim Deathmantle
16% of 32 decks +15% synergy
Birthing Pod
16% of 32 decks +13% synergy
Lightning Greaves
12% of 32 decks -13% synergy
Power Conduit
9% of 32 decks +9% synergy
Luxior, Giada's Gift
9% of 32 decks +9% synergy
Bow of Nylea
9% of 32 decks +8% synergy
Whispersilk Cloak
9% of 32 decks +6% synergy
Sensei's Divining Top
9% of 32 decks +4% synergy
The Great Henge
9% of 32 decks -0% synergy
Commander's Sphere
9% of 32 decks -5% synergy
Enchantments
Solemnity
38% of 8 decks +37% synergy
Swift Reconfiguration
38% of 8 decks +36% synergy
Cathars' Crusade
38% of 8 decks +32% synergy
Thran Vigil
28% of 32 decks +28% synergy
Nest of Scarabs
28% of 32 decks +27% synergy
Animate Dead
25% of 32 decks +16% synergy
Blowfly Infestation
19% of 32 decks +18% synergy
Grave Pact
19% of 32 decks +14% synergy
Moldervine Reclamation
19% of 32 decks +10% synergy
Insidious Roots
17% of 24 decks +11% synergy
Presence of Gond
16% of 32 decks +15% synergy
Cryptolith Rite
16% of 32 decks +12% synergy
Tribute to the World Tree
16% of 32 decks +9% synergy
Sylvan Library
16% of 32 decks +5% synergy
Flourishing Defenses
12% of 32 decks +12% synergy
Trudge Garden
12% of 32 decks +12% synergy
Necromancy
12% of 32 decks +9% synergy
Phyrexian Arena
12% of 32 decks -3% synergy
Durable Handicraft
9% of 32 decks +9% synergy
Crumbling Ashes
9% of 32 decks +9% synergy
Blight Mound
9% of 32 decks +9% synergy
Attrition
9% of 32 decks +9% synergy
Earthcraft
9% of 32 decks +9% synergy
Fecundity
9% of 32 decks +9% synergy
Dark Prophecy
9% of 32 decks +8% synergy
Evolutionary Leap
9% of 32 decks +8% synergy
Kaya's Ghostform
9% of 32 decks +5% synergy
Black Market
9% of 32 decks +5% synergy
The Meathook Massacre
9% of 32 decks +4% synergy
Planeswalkers
Professor Onyx
9% of 32 decks +8% synergy
Utility Lands
Phyrexian Tower
44% of 32 decks +35% synergy
Yavimaya, Cradle of Growth
31% of 32 decks +22% synergy
Urborg, Tomb of Yawgmoth
31% of 32 decks +22% synergy
Bojuka Bog
22% of 32 decks -8% synergy
Boseiju, Who Endures
19% of 32 decks -0% synergy
Reliquary Tower
19% of 32 decks -11% synergy
High Market
16% of 32 decks +13% synergy
Takenuma, Abandoned Mire
16% of 32 decks +6% synergy
Cabal Coffers
16% of 32 decks +5% synergy
Grim Backwoods
12% of 32 decks +9% synergy
Nesting Grounds
9% of 32 decks +8% synergy
Dryad Arbor
9% of 32 decks +5% synergy
Mana Artifacts
Sol Ring
72% of 32 decks -12% synergy
Arcane Signet
47% of 32 decks -25% synergy
Talisman of Resilience
19% of 32 decks +6% synergy
Golgari Signet
12% of 32 decks +0% synergy
Chromatic Lantern
9% of 32 decks +0% synergy
Lands
Ziatora's Proving Ground
75% of 4 decks +45% synergy
Command Tower
75% of 32 decks +1% synergy
Overgrown Tomb
56% of 32 decks +15% synergy
Woodland Cemetery
50% of 32 decks +20% synergy
Verdant Catacombs
44% of 32 decks +33% synergy
Undergrowth Stadium
44% of 32 decks +18% synergy
Llanowar Wastes
44% of 32 decks +18% synergy
Sandsteppe Citadel
38% of 8 decks +11% synergy
Indatha Triome
38% of 8 decks +8% synergy
Temple Garden
38% of 8 decks -2% synergy
Godless Shrine
38% of 8 decks -3% synergy
Deathcap Glade
34% of 32 decks +21% synergy
Nurturing Peatland
31% of 32 decks +26% synergy
Darkbore Pathway
31% of 32 decks +23% synergy
Twilight Mire
31% of 32 decks +20% synergy
Bayou
31% of 32 decks +18% synergy
Bloodstained Mire
28% of 32 decks +17% synergy
Misty Rainforest
28% of 32 decks +17% synergy
Wooded Foothills
25% of 32 decks +15% synergy
Windswept Heath
22% of 32 decks +11% synergy
Marsh Flats
22% of 32 decks +11% synergy
Polluted Delta
22% of 32 decks +10% synergy
Golgari Rot Farm
22% of 32 decks +4% synergy
Tainted Wood
19% of 32 decks +5% synergy
Temple of Malady
19% of 32 decks +2% synergy
Exotic Orchard
19% of 32 decks -17% synergy
Prismatic Vista
16% of 32 decks +10% synergy
Blooming Marsh
12% of 32 decks +8% synergy
Underground Mortuary
12% of 24 decks -0% synergy
Woodland Chasm
9% of 32 decks +5% synergy
City of Brass
9% of 32 decks +1% synergy
Arid Mesa
9% of 32 decks -1% synergy
Necroblossom Snarl
9% of 32 decks -3% synergy
Evolving Wilds
9% of 32 decks -12% synergy