Scarecrone + Thornbite Staff + Cathodion + Ashnod's Altar

Scarecrone
Thornbite Staff
Cathodion
Ashnod's Altar

Requires
Scarecrone must be on the battlefield. Thornbite Staff must be on the battlefield. Cathodion must be on the battlefield. Ashnod's Altar must be on the battlefield. Thornbite Staff attached to Scarecrone. Scarecrone does not have summoning sickness.
Steps
  1. Activate Ashnod's Altar by sacrificing Cathodion, adding .
  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 colorless mana. Infinite death triggers. Infinite ETB. Infinite LTB. Infinite sacrifice triggers.

Illuminor Szeras
1.68% of 475 decks 8 decks
Whisper, Blood Liturgist
1.26% of 318 decks 4 decks
High Synergy Cards
Scrap Trawler
76% of 25 decks +74% synergy
Top Cards
Nim Deathmantle
72% of 25 decks +71% synergy
Foundry Inspector
68% of 25 decks +64% synergy
Dark Ritual
61% of 18 decks +50% synergy
Krark-Clan Ironworks
60% of 25 decks +59% synergy
Myr Retriever
56% of 25 decks +54% synergy
Solemn Simulacrum
56% of 25 decks +42% synergy
Swiftfoot Boots
56% of 25 decks +28% synergy
Marionette Master
56% of 18 decks +54% synergy
Dross Scorpion
52% of 25 decks +52% synergy
Metalwork Colossus
52% of 25 decks +51% synergy
Creatures
Goblin Welder
75% of 4 decks +74% synergy
Goblin Engineer
75% of 4 decks +73% synergy
Reckless Fireweaver
75% of 4 decks +73% synergy
Wurmcoil Engine
52% of 25 decks +50% synergy
Disciple of the Vault
50% of 18 decks +49% synergy
Pitiless Plunderer
50% of 18 decks +46% synergy
Voltaic Construct
48% of 25 decks +48% synergy
Myr Battlesphere
48% of 25 decks +46% synergy
Trazyn the Infinite
47% of 15 decks +46% synergy
Noxious Gearhulk
44% of 18 decks +43% synergy
Workshop Assistant
44% of 25 decks +43% synergy
Junk Diver
44% of 25 decks +43% synergy
Jhoira's Familiar
44% of 25 decks +42% synergy
Scrapyard Recombiner
40% of 25 decks +40% synergy
Psychomancer
40% of 15 decks +40% synergy
Imotekh the Stormlord
40% of 15 decks +40% synergy
Meteor Golem
40% of 25 decks +38% synergy
Soldevi Adnate
39% of 18 decks +39% synergy
Priest of Yawgmoth
33% of 18 decks +33% synergy
Metalworker
32% of 25 decks +32% synergy
Cryptothrall
32% of 22 decks +31% synergy
Shadow of Mortality
29% of 17 decks +29% synergy
Sojourner's Companion
28% of 25 decks +28% synergy
Weaponcraft Enthusiast
28% of 18 decks +28% synergy
Bog Witch
28% of 18 decks +28% synergy
Grim Haruspex
28% of 18 decks +26% synergy
Cryptek
27% of 15 decks +26% synergy
Su-Chi Cave Guard
25% of 20 decks +25% synergy
Phyrexian Triniform
24% of 25 decks +23% synergy
Walking Ballista
24% of 25 decks +21% synergy
Leaden Myr
22% of 18 decks +21% synergy
Midnight Reaper
22% of 18 decks +20% synergy
Zulaport Cutthroat
22% of 18 decks +17% synergy
Royal Warden
20% of 15 decks +20% synergy
Technomancer
20% of 15 decks +20% synergy
Myr Enforcer
20% of 25 decks +20% synergy
Anrakyr the Traveller
20% of 15 decks +20% synergy
Sandstone Oracle
20% of 25 decks +20% synergy
Mycosynth Golem
20% of 25 decks +20% synergy
Necron Deathmark
20% of 15 decks +19% synergy
Triplicate Titan
20% of 25 decks +19% synergy
Kuldotha Forgemaster
20% of 25 decks +19% synergy
Duplicant
20% of 25 decks +19% synergy
Shimmer Myr
20% of 25 decks +18% synergy
Palladium Myr
20% of 25 decks +18% synergy
Burnished Hart
20% of 25 decks +16% synergy
Canoptek Spyder
18% of 22 decks +17% synergy
Braids, Arisen Nightmare
18% of 17 decks +14% synergy
Skirk Ridge Exhumer
17% of 18 decks +17% synergy
Dimir House Guard
17% of 18 decks +16% synergy
Instants
Beast Within
75% of 4 decks +57% synergy
Go for the Throat
39% of 18 decks +35% synergy
Entomb
33% of 18 decks +30% synergy
Cabal Ritual
28% of 18 decks +25% synergy
Malakir Rebirth
28% of 18 decks +23% synergy
Vampiric Tutor
28% of 18 decks +18% synergy
Defile
22% of 18 decks +20% synergy
Culling the Weak
22% of 18 decks +20% synergy
Infernal Grasp
18% of 17 decks +14% synergy
Shred Memory
17% of 18 decks +16% synergy
Sacrifice
17% of 18 decks +16% synergy
Hagra Mauling
17% of 18 decks +16% synergy
Tragic Slip
17% of 18 decks +15% synergy
Village Rites
17% of 18 decks +11% synergy
Sorceries
Blasphemous Act
75% of 4 decks +59% synergy
Their Name Is Death
47% of 15 decks +46% synergy
Morbid Curiosity
44% of 18 decks +44% synergy
Buried Alive
44% of 18 decks +42% synergy
Victimize
44% of 18 decks +39% synergy
Feed the Swarm
44% of 18 decks +35% synergy
Demonic Tutor
44% of 18 decks +33% synergy
Dread Return
39% of 18 decks +36% synergy
Living Death
39% of 18 decks +36% synergy
Unmarked Grave
28% of 18 decks +26% synergy
Torment of Hailfire
28% of 18 decks +25% synergy
Reanimate
28% of 18 decks +20% synergy
Their Number Is Legion
27% of 15 decks +26% synergy
Persist
22% of 18 decks +21% synergy
Diabolic Intent
22% of 18 decks +18% synergy
Night's Whisper
22% of 18 decks +18% synergy
Sign in Blood
22% of 18 decks +17% synergy
Beacon of Unrest
17% of 18 decks +16% synergy
Agadeem's Awakening
17% of 18 decks +15% synergy
Grim Tutor
17% of 18 decks +14% synergy
Exsanguinate
17% of 18 decks +14% synergy
Utility Artifacts
Mystic Forge
52% of 25 decks +49% synergy
Bolas's Citadel
50% of 18 decks +45% synergy
Staff of Domination
48% of 25 decks +46% synergy
Sculpting Steel
48% of 25 decks +46% synergy
Sensei's Divining Top
40% of 25 decks +34% synergy
Lightning Greaves
36% of 25 decks +11% synergy
Spine of Ish Sah
32% of 25 decks +31% synergy
Expedition Map
32% of 25 decks +29% synergy
Umbral Mantle
28% of 25 decks +27% synergy
Phyrexian Altar
28% of 25 decks +24% synergy
Wayfarer's Bauble
28% of 25 decks +17% synergy
The One Ring
27% of 11 decks +18% synergy
Voltaic Key
24% of 25 decks +23% synergy
Clock of Omens
24% of 25 decks +23% synergy
Manifold Key
24% of 25 decks +22% synergy
Rings of Brighthearth
24% of 25 decks +22% synergy
Cloud Key
24% of 25 decks +22% synergy
Aetherflux Reservoir
24% of 25 decks +20% synergy
Forsaken Monument
20% of 25 decks +18% synergy
Cranial Plating
17% of 18 decks +16% synergy
Moonsilver Key
17% of 24 decks +15% synergy
Wishclaw Talisman
17% of 18 decks +14% synergy
Blasting Station
16% of 25 decks +15% synergy
Skullclamp
16% of 25 decks +3% synergy
Portal to Phyrexia
15% of 20 decks +13% synergy
Gate to the Afterlife
12% of 25 decks +12% synergy
Sword of the Paruns
12% of 25 decks +12% synergy
Semblance Anvil
12% of 25 decks +11% synergy
Mycosynth Wellspring
12% of 25 decks +11% synergy
Lithoform Engine
12% of 25 decks +10% synergy
Ichor Wellspring
12% of 25 decks +10% synergy
Crucible of Worlds
12% of 25 decks +9% synergy
Altar of Dementia
12% of 25 decks +9% synergy
Enchantments
Tortured Existence
33% of 18 decks +33% synergy
Heartless Summoning
28% of 18 decks +27% synergy
Phyrexian Arena
28% of 18 decks +20% synergy
Phyrexian Reclamation
22% of 18 decks +20% synergy
Revel in Riches
17% of 18 decks +15% synergy
Grave Pact
17% of 18 decks +14% synergy
Black Market
17% of 18 decks +14% synergy
Planeswalkers
Karn, the Great Creator
16% of 25 decks +15% synergy
Ugin, the Ineffable
16% of 25 decks +14% synergy
Utility Lands
Vault of Whispers
67% of 18 decks +64% synergy
Buried Ruin
64% of 25 decks +59% synergy
Bojuka Bog
56% of 18 decks +40% synergy
Inventors' Fair
52% of 25 decks +48% synergy
Darksteel Citadel
48% of 25 decks +44% synergy
Cabal Coffers
44% of 18 decks +39% synergy
Reliquary Tower
36% of 25 decks +7% synergy
Tomb Fortress
33% of 15 decks +33% synergy
Urborg, Tomb of Yawgmoth
32% of 25 decks +22% synergy
Ancient Tomb
28% of 25 decks +17% synergy
Urza's Saga
24% of 25 decks +17% synergy
Barren Moor
22% of 18 decks +20% synergy
Sanctum of Ugin
20% of 25 decks +19% synergy
Crystal Vein
20% of 25 decks +19% synergy
Emergence Zone
20% of 25 decks +18% synergy
War Room
20% of 25 decks +13% synergy
Takenuma, Abandoned Mire
18% of 17 decks +12% synergy
Witch's Cottage
17% of 18 decks +15% synergy
Treasure Vault
17% of 24 decks +14% synergy
Mishra's Workshop
16% of 25 decks +16% synergy
Scavenger Grounds
16% of 25 decks +12% synergy
Urza's Workshop
15% of 20 decks +14% synergy
Phyrexia's Core
12% of 25 decks +12% synergy
Deserted Temple
12% of 25 decks +11% synergy
Wasteland
12% of 25 decks +11% synergy
Homeward Path
12% of 25 decks +10% synergy
Urza's Power Plant
12% of 25 decks +10% synergy
Urza's Tower
12% of 25 decks +10% synergy
Urza's Mine
12% of 25 decks +10% synergy
Strip Mine
12% of 25 decks +9% synergy
Nykthos, Shrine to Nyx
12% of 25 decks +6% synergy
Rogue's Passage
12% of 25 decks -7% synergy
Mana Artifacts
Sol Ring
92% of 25 decks +8% synergy
Mind Stone
44% of 25 decks +26% synergy
Arcane Signet
44% of 25 decks -27% synergy
Thought Vessel
32% of 25 decks +16% synergy
Basalt Monolith
28% of 25 decks +25% synergy
Mox Opal
28% of 25 decks +24% synergy
Mana Crypt
28% of 25 decks +17% synergy
Thran Dynamo
24% of 25 decks +19% synergy
Mana Vault
24% of 25 decks +18% synergy
Grim Monolith
20% of 25 decks +18% synergy
Hedron Archive
20% of 25 decks +17% synergy
Liquimetal Torque
20% of 25 decks +16% synergy
Sceptre of Eternal Glory
18% of 22 decks +17% synergy
Everflowing Chalice
16% of 25 decks +11% synergy
Jeweled Lotus
16% of 25 decks +8% synergy
Stonespeaker Crystal
12% of 24 decks +12% synergy
Commander's Sphere
12% of 25 decks -4% synergy
Lands
Darkmoss Bridge
100% of 3 decks +99% synergy
Twilight Mire
100% of 3 decks +98% synergy
Llanowar Wastes
100% of 3 decks +95% synergy
The Mycosynth Gardens
58% of 12 decks +56% synergy
Demolition Field
30% of 20 decks +27% synergy
Myriad Landscape
24% of 25 decks +4% synergy
Command Tower
24% of 25 decks -50% synergy
Cavern of Souls
16% of 25 decks +9% synergy
Bloodstained Mire
12% of 25 decks +2% synergy