Scarecrone + Thornbite Staff + Cathodion + Phyrexian Altar

Scarecrone
Thornbite Staff
Cathodion
Phyrexian Altar

Requires
Scarecrone must be on the battlefield. Thornbite Staff must be on the battlefield. Cathodion must be on the battlefield. Phyrexian Altar must be on the battlefield. Thornbite Staff attached to Scarecrone. Scarecrone does not have summoning sickness.
Steps
  1. Activate Phyrexian Altar by sacrificing Cathodion, adding 1.
  2. Cathodion dies, triggering itself and Scarecrone.
  3. Resolve the Cathodion trigger, adding .
  4. Resolve the Scarecrone trigger, untapping it.
  5. Activate Scarecrone's second ability by paying 4 and tapping it, returning Cathodion from your graveyard to the battlefield.
  6. Repeat.
Results
Infinite death triggers. Infinite ETB. Infinite LTB. Infinite sacrifice triggers.

Whisper, Blood Liturgist
0.64% of 312 decks 2 decks
Glissa, the Traitor
0.04% of 2517 decks 1 decks
Imotekh the Stormlord
0.02% of 6520 decks 1 decks
Karn, Silver Golem
0.10% of 1050 decks 1 decks
Bosh, Iron Golem
0.15% of 684 decks 1 decks
Illuminor Szeras
0.21% of 467 decks 1 decks
High Synergy Cards
Nim Deathmantle
100% of 7 decks +99% synergy
Krark-Clan Ironworks
100% of 7 decks +99% synergy
Scrap Trawler
86% of 7 decks +84% synergy
Ashnod's Altar
86% of 7 decks +78% synergy
Buried Alive
80% of 5 decks +74% synergy
Pitiless Plunderer
80% of 5 decks +72% synergy
Foundry Inspector
71% of 7 decks +67% synergy
Dark Ritual
80% of 5 decks +58% synergy
Scrapyard Recombiner
57% of 7 decks +57% synergy
Metalworker
57% of 7 decks +57% synergy
Top Cards
Cryptothrall
57% of 7 decks +56% synergy
Umbral Mantle
57% of 7 decks +56% synergy
Staff of Domination
57% of 7 decks +55% synergy
Myr Battlesphere
57% of 7 decks +55% synergy
Meteor Golem
57% of 7 decks +55% synergy
Mox Opal
57% of 7 decks +53% synergy
Lightning Greaves
57% of 7 decks +32% synergy
Swiftfoot Boots
57% of 7 decks +29% synergy
Creatures
Melira, Sylvok Outcast
100% of 1 decks +100% synergy
Hoarding Dragon
100% of 1 decks +100% synergy
Slobad, Iron Goblin
100% of 1 decks +100% synergy
Slobad, Goblin Tinkerer
100% of 1 decks +99% synergy
Grismold, the Dreadsower
100% of 1 decks +99% synergy
Chevill, Bane of Monsters
100% of 1 decks +99% synergy
Treasure Nabber
100% of 1 decks +98% synergy
Goblin Welder
100% of 1 decks +97% synergy
Essence Warden
100% of 1 decks +97% synergy
Fauna Shaman
100% of 1 decks +97% synergy
Feldon of the Third Path
100% of 1 decks +97% synergy
Crime Novelist
100% of 1 decks +97% synergy
Haywire Mite
100% of 1 decks +96% synergy
Poison-Tip Archer
100% of 1 decks +95% synergy
Warren Soultrader
100% of 1 decks +93% synergy
Imotekh the Stormlord
60% of 5 decks +59% synergy
Marionette Master
60% of 5 decks +56% synergy
Voltaic Construct
43% of 7 decks +43% synergy
Dross Scorpion
43% of 7 decks +43% synergy
Junk Diver
43% of 7 decks +42% synergy
Metalwork Colossus
43% of 7 decks +42% synergy
Wurmcoil Engine
43% of 7 decks +41% synergy
Steel Hellkite
43% of 7 decks +41% synergy
Myr Retriever
43% of 7 decks +41% synergy
Priest of Yawgmoth
40% of 5 decks +40% synergy
Weaponcraft Enthusiast
40% of 5 decks +40% synergy
Trazyn the Infinite
40% of 5 decks +40% synergy
Bog Witch
40% of 5 decks +40% synergy
Cryptek
40% of 5 decks +40% synergy
Psychomancer
40% of 5 decks +39% synergy
Tormod, the Desecrator
40% of 5 decks +39% synergy
Gravecrawler
40% of 5 decks +37% synergy
Noxious Gearhulk
40% of 5 decks +37% synergy
Braids, Arisen Nightmare
40% of 5 decks +32% synergy
Zulaport Cutthroat
40% of 5 decks +30% synergy
Blood Artist
40% of 5 decks +28% synergy
Su-Chi Cave Guard
33% of 6 decks +33% synergy
Soulless Jailer
33% of 3 decks +33% synergy
Scuttling Doom Engine
29% of 7 decks +28% synergy
Sandstone Oracle
29% of 7 decks +28% synergy
Workshop Assistant
29% of 7 decks +28% synergy
Canoptek Spyder
29% of 7 decks +28% synergy
Triplicate Titan
29% of 7 decks +28% synergy
Kuldotha Forgemaster
29% of 7 decks +28% synergy
Phyrexian Triniform
29% of 7 decks +28% synergy
Blightsteel Colossus
29% of 7 decks +27% synergy
Jhoira's Familiar
29% of 7 decks +27% synergy
Palladium Myr
29% of 7 decks +26% synergy
Burnished Hart
29% of 7 decks +24% synergy
Solemn Simulacrum
29% of 7 decks +15% synergy
Instants
Mages' Contest
100% of 1 decks +100% synergy
Desperate Ritual
100% of 1 decks +98% synergy
Pyretic Ritual
100% of 1 decks +97% synergy
Seething Song
100% of 1 decks +94% synergy
Thrill of Possibility
100% of 1 decks +90% synergy
Abrade
100% of 1 decks +89% synergy
Chaos Warp
100% of 1 decks +68% synergy
Beast Within
100% of 1 decks +61% synergy
Entomb
60% of 5 decks +53% synergy
Tragic Slip
40% of 5 decks +36% synergy
Vampiric Tutor
40% of 5 decks +22% synergy
Desecrate Reality
33% of 3 decks +33% synergy
Necrologia
20% of 5 decks +20% synergy
Shred Memory
20% of 5 decks +20% synergy
Hellish Rebuke
20% of 5 decks +19% synergy
Sacrifice
20% of 5 decks +19% synergy
Soul Shatter
20% of 5 decks +17% synergy
Ad Nauseam
20% of 5 decks +17% synergy
Defile
20% of 5 decks +17% synergy
Culling the Weak
20% of 5 decks +16% synergy
Cabal Ritual
20% of 5 decks +15% synergy
Go for the Throat
20% of 5 decks +13% synergy
Infernal Grasp
20% of 5 decks +13% synergy
Malakir Rebirth
20% of 5 decks +12% synergy
Village Rites
20% of 5 decks +10% synergy
Spatial Contortion
14% of 7 decks +14% synergy
Scour from Existence
14% of 7 decks +14% synergy
Warping Wail
14% of 7 decks +13% synergy
Sorceries
Geosurge
100% of 1 decks +100% synergy
Pyroclasm
100% of 1 decks +100% synergy
Grapeshot
100% of 1 decks +96% synergy
Gamble
100% of 1 decks +90% synergy
Faithless Looting
100% of 1 decks +83% synergy
Jeska's Will
100% of 1 decks +83% synergy
Blasphemous Act
100% of 1 decks +66% synergy
Victimize
60% of 5 decks +48% synergy
Feed the Swarm
60% of 5 decks +42% synergy
Morbid Curiosity
40% of 5 decks +40% synergy
Beacon of Unrest
40% of 5 decks +39% synergy
Their Name Is Death
40% of 5 decks +39% synergy
Persist
40% of 5 decks +38% synergy
Unmarked Grave
40% of 5 decks +37% synergy
Torment of Hailfire
40% of 5 decks +35% synergy
Dread Return
40% of 5 decks +35% synergy
Living Death
40% of 5 decks +35% synergy
Reanimate
40% of 5 decks +24% synergy
Demonic Tutor
40% of 5 decks +18% synergy
Brainspoil
20% of 5 decks +20% synergy
Dimir Machinations
20% of 5 decks +20% synergy
Their Number Is Legion
20% of 5 decks +20% synergy
Make an Example
20% of 5 decks +19% synergy
Bubbling Muck
20% of 5 decks +19% synergy
Mutilate
20% of 5 decks +18% synergy
Peer into the Abyss
20% of 5 decks +17% synergy
Agadeem's Awakening
20% of 5 decks +16% synergy
Grim Tutor
20% of 5 decks +15% synergy
Exsanguinate
20% of 5 decks +14% synergy
Imperial Seal
20% of 5 decks +14% synergy
Read the Bones
20% of 5 decks +12% synergy
Damnation
20% of 5 decks +12% synergy
Diabolic Intent
20% of 5 decks +11% synergy
Night's Whisper
20% of 5 decks +11% synergy
Toxic Deluge
20% of 5 decks +3% synergy
Utility Artifacts
Spine of Ish Sah
43% of 7 decks +42% synergy
Cloud Key
43% of 7 decks +41% synergy
Sculpting Steel
43% of 7 decks +41% synergy
Mystic Forge
43% of 7 decks +40% synergy
Hedron Archive
43% of 7 decks +40% synergy
Sensei's Divining Top
43% of 7 decks +37% synergy
Bolas's Citadel
40% of 5 decks +31% synergy
Blasting Station
29% of 7 decks +28% synergy
Semblance Anvil
29% of 7 decks +28% synergy
Voltaic Key
29% of 7 decks +28% synergy
Manifold Key
29% of 7 decks +27% synergy
Rings of Brighthearth
29% of 7 decks +27% synergy
Thousand-Year Elixir
29% of 7 decks +26% synergy
Unwinding Clock
29% of 7 decks +26% synergy
Altar of Dementia
29% of 7 decks +26% synergy
Expedition Map
29% of 7 decks +25% synergy
Aetherflux Reservoir
29% of 7 decks +25% synergy
Executioner's Capsule
20% of 5 decks +19% synergy
Cranial Plating
20% of 5 decks +18% synergy
Portcullis
14% of 7 decks +14% synergy
Candelabra of Tawnos
14% of 7 decks +14% synergy
Storage Matrix
14% of 7 decks +14% synergy
Weathered Runestone
14% of 7 decks +14% synergy
Memory Jar
14% of 7 decks +14% synergy
Sword of the Paruns
14% of 7 decks +14% synergy
Conjurer's Bauble
14% of 7 decks +14% synergy
Myr Turbine
14% of 7 decks +14% synergy
Gerrard's Hourglass Pendant
14% of 7 decks +14% synergy
Static Orb
14% of 7 decks +14% synergy
Planar Bridge
14% of 7 decks +14% synergy
Viridian Longbow
14% of 7 decks +14% synergy
Doubling Cube
14% of 7 decks +14% synergy
Torpor Orb
14% of 7 decks +14% synergy
Winter Orb
14% of 7 decks +14% synergy
Mirrorworks
14% of 7 decks +14% synergy
Mycosynth Wellspring
14% of 7 decks +13% synergy
Mycosynth Lattice
14% of 7 decks +13% synergy
Defense Grid
14% of 7 decks +13% synergy
Clock of Omens
14% of 7 decks +13% synergy
Grafted Exoskeleton
14% of 7 decks +13% synergy
Trading Post
14% of 7 decks +13% synergy
Illusionist's Bracers
14% of 7 decks +13% synergy
Mishra's Bauble
14% of 7 decks +13% synergy
Mirage Mirror
14% of 7 decks +13% synergy
Ichor Wellspring
14% of 7 decks +13% synergy
Forsaken Monument
14% of 7 decks +13% synergy
Skullclamp
14% of 7 decks +2% synergy
Enchantments
Blood Moon
100% of 1 decks +97% synergy
Deathreap Ritual
100% of 1 decks +96% synergy
Heartless Summoning
40% of 5 decks +39% synergy
Biotransference
40% of 5 decks +39% synergy
Tortured Existence
40% of 5 decks +38% synergy
Dictate of Erebos
40% of 5 decks +36% synergy
Black Market Connections
40% of 5 decks +29% synergy
Carnival of Souls
20% of 5 decks +20% synergy
Dauthi Embrace
20% of 5 decks +20% synergy
Phyrexian Scriptures
20% of 5 decks +19% synergy
Out of the Tombs
20% of 5 decks +19% synergy
Revel in Riches
20% of 5 decks +17% synergy
Phyrexian Reclamation
20% of 5 decks +16% synergy
Grave Pact
20% of 5 decks +16% synergy
Exquisite Blood
20% of 5 decks +15% synergy
Sanguine Bond
20% of 5 decks +14% synergy
Phyrexian Arena
20% of 5 decks +5% synergy
Planeswalkers
Karn, the Great Creator
29% of 7 decks +27% synergy
Ugin, the Ineffable
14% of 7 decks +12% synergy
Utility Lands
Great Furnace
100% of 1 decks +94% synergy
Cabal Coffers
60% of 5 decks +49% synergy
Bojuka Bog
60% of 5 decks +30% synergy
Inventors' Fair
57% of 7 decks +53% synergy
Buried Ruin
57% of 7 decks +52% synergy
Urza's Saga
43% of 7 decks +36% synergy
Urborg, Tomb of Yawgmoth
43% of 7 decks +33% synergy
Ancient Tomb
43% of 7 decks +32% synergy
Tomb Fortress
40% of 5 decks +39% synergy
Vault of Whispers
40% of 5 decks +36% synergy
Sanctum of Ugin
29% of 7 decks +28% synergy
Crystal Vein
29% of 7 decks +28% synergy
Guildless Commons
29% of 7 decks +27% synergy
Darksteel Citadel
29% of 7 decks +25% synergy
Reliquary Tower
29% of 7 decks -1% synergy
Ebon Stronghold
20% of 5 decks +20% synergy
Phyrexian Tower
20% of 5 decks +11% synergy
Takenuma, Abandoned Mire
20% of 5 decks +9% synergy
Urza's Workshop
17% of 6 decks +16% synergy
Bazaar of Baghdad
14% of 7 decks +14% synergy
The Tabernacle at Pendrell Vale
14% of 7 decks +14% synergy
Sequestered Stash
14% of 7 decks +14% synergy
Scorched Ruins
14% of 7 decks +14% synergy
Mishra's Workshop
14% of 7 decks +14% synergy
Deserted Temple
14% of 7 decks +14% synergy
Detection Tower
14% of 7 decks +14% synergy
Eye of Ugin
14% of 7 decks +14% synergy
Hall of the Bandit Lord
14% of 7 decks +14% synergy
Mishra's Factory
14% of 7 decks +13% synergy
City of Traitors
14% of 7 decks +13% synergy
Eldrazi Temple
14% of 7 decks +13% synergy
Vesuva
14% of 7 decks +13% synergy
Wasteland
14% of 7 decks +13% synergy
Urza's Power Plant
14% of 7 decks +12% synergy
Urza's Mine
14% of 7 decks +12% synergy
Urza's Tower
14% of 7 decks +12% synergy
Field of Ruin
14% of 7 decks +12% synergy
Emergence Zone
14% of 7 decks +12% synergy
Treasure Vault
14% of 7 decks +12% synergy
Thespian's Stage
14% of 7 decks +12% synergy
Strip Mine
14% of 7 decks +11% synergy
High Market
14% of 7 decks +11% synergy
Nykthos, Shrine to Nyx
14% of 7 decks +9% synergy
Mana Artifacts
Pyromancer's Goggles
100% of 1 decks +98% synergy
Cursed Mirror
100% of 1 decks +95% synergy
Sol Ring
100% of 7 decks +16% synergy
Sceptre of Eternal Glory
43% of 7 decks +42% synergy
Thran Dynamo
43% of 7 decks +38% synergy
Mana Crypt
43% of 7 decks +35% synergy
Grim Monolith
29% of 7 decks +27% synergy
Basalt Monolith
29% of 7 decks +26% synergy
Jeweled Lotus
29% of 7 decks +23% synergy
Mana Vault
29% of 7 decks +22% synergy
Lotus Petal
29% of 7 decks +22% synergy
Thought Vessel
29% of 7 decks +12% synergy
Mind Stone
29% of 7 decks +11% synergy
Meteorite
14% of 7 decks +14% synergy
Myr Reservoir
14% of 7 decks +14% synergy
Stonespeaker Crystal
14% of 7 decks +14% synergy
Coveted Jewel
14% of 7 decks +13% synergy
Dreamstone Hedron
14% of 7 decks +13% synergy
Lion's Eye Diamond
14% of 7 decks +13% synergy
Worn Powerstone
14% of 7 decks +12% synergy
Gilded Lotus
14% of 7 decks +11% synergy
Liquimetal Torque
14% of 7 decks +11% synergy
Mox Amber
14% of 7 decks +10% synergy
Mox Diamond
14% of 7 decks +10% synergy
Everflowing Chalice
14% of 7 decks +10% synergy
Chrome Mox
14% of 7 decks +8% synergy
Fellwar Stone
14% of 7 decks -7% synergy
Lands
Witherbloom Campus
100% of 1 decks +99% synergy
Darkmoss Bridge
100% of 1 decks +97% synergy
Golgari Guildgate
100% of 1 decks +94% synergy
Haunted Mire
100% of 1 decks +92% synergy
Darkbore Pathway
100% of 1 decks +91% synergy
Jungle Hollow
100% of 1 decks +91% synergy
Twilight Mire
100% of 1 decks +90% synergy
Necroblossom Snarl
100% of 1 decks +88% synergy
Deathcap Glade
100% of 1 decks +86% synergy
Temple of Malady
100% of 1 decks +84% synergy
Golgari Rot Farm
100% of 1 decks +82% synergy
Llanowar Wastes
100% of 1 decks +74% synergy
Woodland Cemetery
100% of 1 decks +72% synergy
The Mycosynth Gardens
33% of 3 decks +31% synergy
Demolition Field
17% of 6 decks +14% synergy
Crystal Grotto
14% of 7 decks +13% synergy
Cavern of Souls
14% of 7 decks +7% synergy
Myriad Landscape
14% of 7 decks -5% synergy
Command Tower
14% of 7 decks -60% synergy