Athreos, Shroud-Veiled + Skullbriar, the Walking Grave + Phyrexian Altar

Athreos, Shroud-Veiled
Skullbriar, the Walking Grave
Phyrexian Altar

Requires
Athreos, Shroud-Veiled must be on the battlefield. Skullbriar, the Walking Grave must be on the battlefield. Phyrexian Altar must be on the battlefield.
Steps
  1. Move to your end step.
  2. Athreos triggers, placing a coin counter on Skullbriar.
  3. Sacrifice Skullbriar to Phyrexian Altar to add one mana of any color.
  4. Athreos triggers, returning Skullbriar to the battlefield.
  5. Repeat.
Results
Infinite colored mana. Infinite death triggers. Infinite ETB. Infinite LTB. Infinite sacrifice triggers.

Nikara, Lair Scavenger // Yannik, Scavenging Sentinel
0.12% of 858 decks 1 decks
Kathril, Aspect Warper
0.03% of 3078 decks 1 decks
Karador, Ghost Chieftain
0.02% of 5433 decks 1 decks
Nethroi, Apex of Death
0.02% of 5639 decks 1 decks
Ghave, Guru of Spores
0.02% of 6366 decks 1 decks
Creatures
Aftermath Analyst
100% of 1 decks +82% synergy
Glissa Sunslayer
67% of 3 decks +62% synergy
Viscera Seer
60% of 5 decks +44% synergy
Drivnod, Carnage Dominus
50% of 2 decks +48% synergy
Sovereign Okinec Ahau
50% of 2 decks +48% synergy
Bartolomé del Presidio
50% of 2 decks +41% synergy
Norn's Choirmaster
50% of 2 decks +41% synergy
Thalia and The Gitrog Monster
50% of 2 decks +39% synergy
Kutzil, Malamet Exemplar
50% of 2 decks +38% synergy
Meren of Clan Nel Toth
40% of 5 decks +37% synergy
Nethroi, Apex of Death
40% of 5 decks +36% synergy
Scurry Oak
40% of 5 decks +36% synergy
Pitiless Plunderer
40% of 5 decks +35% synergy
Protean Hulk
40% of 5 decks +35% synergy
Reveillark
40% of 5 decks +34% synergy
Karmic Guide
40% of 5 decks +32% synergy
Cruel Celebrant
40% of 5 decks +32% synergy
Blood Artist
40% of 5 decks +28% synergy
Zulaport Cutthroat
40% of 5 decks +27% synergy
Sakura-Tribe Elder
40% of 5 decks +17% synergy
Eternal Witness
40% of 5 decks +14% synergy
Birds of Paradise
40% of 5 decks +4% synergy
Haywire Mite
33% of 3 decks +30% synergy
Elesh Norn, Mother of Machines
33% of 3 decks +25% synergy
Gixian Puppeteer
25% of 4 decks +25% synergy
Commissar Severina Raine
25% of 4 decks +24% synergy
Promising Duskmage
20% of 5 decks +20% synergy
Mephidross Vampire
20% of 5 decks +20% synergy
Shepherd of the Cosmos
20% of 5 decks +20% synergy
Polukranos, World Eater
20% of 5 decks +20% synergy
Conclave Cavalier
20% of 5 decks +20% synergy
Tolsimir, Friend to Wolves
20% of 5 decks +20% synergy
Filigree Familiar
20% of 5 decks +20% synergy
Psychosis Crawler
20% of 5 decks +20% synergy
Sengir, the Dark Baron
20% of 5 decks +20% synergy
Defiler of Flesh
20% of 5 decks +20% synergy
Crystalline Giant
20% of 5 decks +20% synergy
Titan of Industry
20% of 5 decks +20% synergy
Defiler of Faith
20% of 5 decks +20% synergy
Vesperlark
20% of 5 decks +20% synergy
Jolrael, Mwonvuli Recluse
20% of 5 decks +20% synergy
Pridemalkin
20% of 5 decks +20% synergy
Keeper of Fables
20% of 5 decks +20% synergy
Temur Sabertooth
20% of 5 decks +20% synergy
Extraction Specialist
20% of 5 decks +20% synergy
Savra, Queen of the Golgari
20% of 5 decks +20% synergy
Loyal Retainers
20% of 5 decks +20% synergy
Fleshtaker
20% of 5 decks +20% synergy
Trostani Discordant
20% of 5 decks +20% synergy
Liliana, Heretical Healer
20% of 5 decks +20% synergy
Instants
Path to Exile
60% of 5 decks +16% synergy
Swords to Plowshares
60% of 5 decks -3% synergy
Utter End
40% of 5 decks +37% synergy
Despark
40% of 5 decks +30% synergy
Assassin's Trophy
40% of 5 decks +9% synergy
Vraska's Contempt
20% of 5 decks +20% synergy
Tithe
20% of 5 decks +20% synergy
Vastwood Fortification
20% of 5 decks +20% synergy
Fateful Absence
20% of 5 decks +20% synergy
Hunter's Insight
20% of 5 decks +19% synergy
Dire Tactics
20% of 5 decks +19% synergy
Rushed Rebirth
20% of 5 decks +19% synergy
Murder
20% of 5 decks +19% synergy
Stinging Study
20% of 5 decks +19% synergy
Inkshield
20% of 5 decks +18% synergy
Plumb the Forbidden
20% of 5 decks +18% synergy
Ephemerate
20% of 5 decks +16% synergy
Malakir Rebirth
20% of 5 decks +16% synergy
Akroma's Will
20% of 5 decks +15% synergy
Dark Ritual
20% of 5 decks +14% synergy
Deadly Dispute
20% of 5 decks +14% synergy
Village Rites
20% of 5 decks +14% synergy
Abrupt Decay
20% of 5 decks +11% synergy
Putrefy
20% of 5 decks +8% synergy
Enlightened Tutor
20% of 5 decks +7% synergy
Vampiric Tutor
20% of 5 decks +6% synergy
Teferi's Protection
20% of 5 decks +4% synergy
Mortify
20% of 5 decks +3% synergy
Heroic Intervention
20% of 5 decks -5% synergy
Beast Within
20% of 5 decks -9% synergy
Anguished Unmaking
20% of 5 decks -10% synergy
Sorceries
Nature's Lore
60% of 5 decks +29% synergy
Farseek
60% of 5 decks +16% synergy
Cultivate
60% of 5 decks +14% synergy
Bala Ged Recovery
40% of 5 decks +31% synergy
Three Visits
40% of 5 decks +18% synergy
Kodama's Reach
40% of 5 decks +14% synergy
Ranger's Path
20% of 5 decks +20% synergy
Gaze of Granite
20% of 5 decks +20% synergy
Turntimber Symbiosis
20% of 5 decks +19% synergy
Natural Order
20% of 5 decks +17% synergy
Agadeem's Awakening
20% of 5 decks +17% synergy
Idyllic Tutor
20% of 5 decks +17% synergy
Vindicate
20% of 5 decks +16% synergy
Living Death
20% of 5 decks +15% synergy
Eldritch Evolution
20% of 5 decks +15% synergy
Skyshroud Claim
20% of 5 decks +15% synergy
Demonic Tutor
20% of 5 decks +2% synergy
Eerie Ultimatum
20% of 5 decks -2% synergy
Rampant Growth
20% of 5 decks -7% synergy
Utility Artifacts
The Ozolith
40% of 5 decks +35% synergy
Altar of Dementia
40% of 5 decks +33% synergy
Conduit of Worlds
33% of 3 decks +19% synergy
Resurrection Orb
25% of 4 decks +25% synergy
Aetherworks Marvel
20% of 5 decks +20% synergy
Thaumatic Compass
20% of 5 decks +20% synergy
Monster Manual
20% of 5 decks +19% synergy
Whispersilk Cloak
20% of 5 decks +19% synergy
Sword of the Animist
20% of 5 decks +18% synergy
Panharmonicon
20% of 5 decks +18% synergy
Birthing Pod
20% of 5 decks +15% synergy
The Great Henge
20% of 5 decks +14% synergy
Bolas's Citadel
20% of 5 decks +13% synergy
Ashnod's Altar
20% of 5 decks +5% synergy
Skullclamp
20% of 5 decks +5% synergy
Enchantments
Virtue of Loyalty
50% of 2 decks +48% synergy
Tribute to the World Tree
50% of 2 decks +44% synergy
Black Market
40% of 5 decks +39% synergy
Abzan Ascendancy
40% of 5 decks +34% synergy
Black Market Connections
40% of 5 decks +33% synergy
Doubling Season
40% of 5 decks +29% synergy
Hoofprints of the Stag
20% of 5 decks +20% synergy
Minion's Return
20% of 5 decks +20% synergy
Open the Graves
20% of 5 decks +20% synergy
Profane Procession
20% of 5 decks +20% synergy
Concerted Effort
20% of 5 decks +20% synergy
Colossal Majesty
20% of 5 decks +20% synergy
Angelic Renewal
20% of 5 decks +19% synergy
Zendikar Resurgent
20% of 5 decks +19% synergy
Sigarda's Summons
20% of 5 decks +19% synergy
Golgari Germination
20% of 5 decks +19% synergy
Kaya's Ghostform
20% of 5 decks +19% synergy
Vampiric Rites
20% of 5 decks +19% synergy
Pernicious Deed
20% of 5 decks +18% synergy
Hunting Grounds
20% of 5 decks +18% synergy
Resourceful Defense
20% of 5 decks +18% synergy
Defense of the Heart
20% of 5 decks +18% synergy
Pattern of Rebirth
20% of 5 decks +18% synergy
Grave Pact
20% of 5 decks +17% synergy
Journey to Eternity
20% of 5 decks +17% synergy
Death's Oasis
20% of 5 decks +17% synergy
Deadbridge Chant
20% of 5 decks +16% synergy
Greater Good
20% of 5 decks +16% synergy
Cemetery Tampering
20% of 5 decks +15% synergy
The Meathook Massacre
20% of 5 decks +15% synergy
Bastion of Remembrance
20% of 5 decks +15% synergy
Teleportation Circle
20% of 5 decks +14% synergy
Cathars' Crusade
20% of 5 decks +14% synergy
Guardian Project
20% of 5 decks +14% synergy
Animate Dead
20% of 5 decks +12% synergy
Moldervine Reclamation
20% of 5 decks +10% synergy
Anointed Procession
20% of 5 decks +8% synergy
Smothering Tithe
20% of 5 decks +3% synergy
Planeswalkers
Ajani Goldmane
20% of 5 decks +20% synergy
Ajani, the Greathearted
20% of 5 decks +18% synergy
Liliana, Dreadhorde General
20% of 5 decks +18% synergy
Grist, the Hunger Tide
20% of 5 decks +16% synergy
Utility Lands
Bojuka Bog
40% of 5 decks +10% synergy
Llanowar Reborn
20% of 5 decks +19% synergy
Mortuary Mire
20% of 5 decks +19% synergy
Mosswort Bridge
20% of 5 decks +18% synergy
Maze of Ith
20% of 5 decks +17% synergy
Grim Backwoods
20% of 5 decks +16% synergy
Temple of the False God
20% of 5 decks +15% synergy
High Market
20% of 5 decks +14% synergy
Vault of the Archangel
20% of 5 decks +12% synergy
Gavony Township
20% of 5 decks +10% synergy
Field of the Dead
20% of 5 decks +9% synergy
Karn's Bastion
20% of 5 decks +7% synergy
Reliquary Tower
20% of 5 decks +5% synergy
Rogue's Passage
20% of 5 decks +4% synergy
Urborg, Tomb of Yawgmoth
20% of 5 decks -1% synergy
Boseiju, Who Endures
20% of 5 decks -2% synergy
Yavimaya, Cradle of Growth
20% of 5 decks -7% synergy
Mana Artifacts
Sol Ring
80% of 5 decks -0% synergy
Arcane Signet
40% of 5 decks -25% synergy
Thran Dynamo
20% of 5 decks +19% synergy
Mind Stone
20% of 5 decks +18% synergy
Thought Vessel
20% of 5 decks +17% synergy
Selesnya Signet
20% of 5 decks +12% synergy
Orzhov Signet
20% of 5 decks +12% synergy
Golgari Signet
20% of 5 decks +8% synergy
Commander's Sphere
20% of 5 decks +6% synergy
Lands
Shadowy Backstreet
100% of 1 decks +76% synergy
Underground Mortuary
100% of 1 decks +74% synergy
Command Tower
80% of 5 decks -11% synergy
Golgari Rot Farm
60% of 5 decks +41% synergy
Godless Shrine
60% of 5 decks +14% synergy
Temple Garden
60% of 5 decks +12% synergy
Overgrown Tomb
60% of 5 decks +12% synergy
Scrubland
40% of 5 decks +27% synergy
Savannah
40% of 5 decks +27% synergy
Bayou
40% of 5 decks +27% synergy
Selesnya Sanctuary
40% of 5 decks +22% synergy
Caves of Koilos
40% of 5 decks +13% synergy
Marsh Flats
40% of 5 decks +5% synergy
Verdant Catacombs
40% of 5 decks +5% synergy
Indatha Triome
40% of 5 decks -4% synergy
Darkmoss Bridge
20% of 5 decks +19% synergy
Snowfield Sinkhole
20% of 5 decks +17% synergy
Arctic Treeline
20% of 5 decks +16% synergy
Woodland Chasm
20% of 5 decks +16% synergy
Blighted Woodland
20% of 5 decks +16% synergy
Sunlit Marsh
20% of 5 decks +14% synergy
Reflecting Pool
20% of 5 decks +14% synergy
Radiant Grove
20% of 5 decks +13% synergy
Haunted Mire
20% of 5 decks +12% synergy
City of Brass
20% of 5 decks +10% synergy
Shattered Sanctum
20% of 5 decks +8% synergy
Sungrass Prairie
20% of 5 decks +8% synergy
Scattered Groves
20% of 5 decks +7% synergy
Myriad Landscape
20% of 5 decks +6% synergy
Deathcap Glade
20% of 5 decks +5% synergy
Orzhov Basilica
20% of 5 decks +4% synergy
Overgrown Farmland
20% of 5 decks +3% synergy
Llanowar Wastes
20% of 5 decks -7% synergy
Evolving Wilds
20% of 5 decks -8% synergy
Vault of Champions
20% of 5 decks -9% synergy
Undergrowth Stadium
20% of 5 decks -13% synergy
Windswept Heath
20% of 5 decks -14% synergy
Isolated Chapel
20% of 5 decks -14% synergy
Woodland Cemetery
20% of 5 decks -17% synergy
Canopy Vista
20% of 5 decks -25% synergy
Sandsteppe Citadel
20% of 5 decks -31% synergy
Exotic Orchard
20% of 5 decks -35% synergy