Athreos, Shroud-Veiled + Skullbriar, the Walking Grave + Ashnod's Altar

Athreos, Shroud-Veiled
Skullbriar, the Walking Grave
Ashnod's Altar

Requires
Athreos, Shroud-Veiled must be on the battlefield. Skullbriar, the Walking Grave must be on the battlefield. Ashnod's 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 Ashnod's Altar to add .
  4. Athreos triggers, returning Skullbriar to the battlefield.
  5. Repeat.
Results
Infinite colorless mana. Infinite death triggers. Infinite ETB. Infinite LTB. Infinite sacrifice triggers.

Kodama of the East Tree // Ravos, Soultender
0.35% of 283 decks 1 decks
Elmar, Ulvenwald Informant // Wernog, Rider's Chaplain
0.13% of 780 decks 1 decks
Nikara, Lair Scavenger // Yannik, Scavenging Sentinel
0.12% of 837 decks 1 decks
Kathril, Aspect Warper
0.07% of 2986 decks 2 decks
Tayam, Luminous Enigma
0.04% of 5261 decks 2 decks
Nethroi, Apex of Death
0.04% of 5615 decks 2 decks
Child of Alara
0.02% of 4578 decks 1 decks
Karador, Ghost Chieftain
0.02% of 5361 decks 1 decks
Ghave, Guru of Spores
0.02% of 6333 decks 1 decks
High Synergy Cards
Cultivate
83% of 12 decks +61% synergy
Altar of Dementia
58% of 12 decks +55% synergy
Resourceful Defense
56% of 9 decks +55% synergy
Assassin's Trophy
58% of 12 decks +52% synergy
Eternal Witness
58% of 12 decks +48% synergy
Luminous Broodmoth
42% of 12 decks +41% synergy
Nesting Grounds
42% of 12 decks +40% synergy
Top Cards
The Ozolith
42% of 12 decks +38% synergy
Viscera Seer
42% of 12 decks +37% synergy
Anguished Unmaking
42% of 12 decks +36% synergy
Kodama's Reach
42% of 12 decks +27% synergy
Beast Within
42% of 12 decks +23% synergy
Path to Exile
42% of 12 decks +21% synergy
Underrealm Lich
33% of 12 decks +33% synergy
Greater Good
33% of 12 decks +31% synergy
Ramunap Excavator
33% of 12 decks +30% synergy
Wood Elves
33% of 12 decks +30% synergy
Creatures
Elas il-Kor, Sadistic Pilgrim
43% of 7 decks +40% synergy
Esper Sentinel
27% of 11 decks +18% synergy
Fiend Artisan
25% of 12 decks +24% synergy
Slippery Bogbonder
25% of 12 decks +24% synergy
Phyrexian Delver
25% of 12 decks +24% synergy
Athreos, God of Passage
25% of 12 decks +24% synergy
Golgari Grave-Troll
25% of 12 decks +24% synergy
Reveillark
25% of 12 decks +24% synergy
Cruel Celebrant
25% of 12 decks +23% synergy
Karmic Guide
25% of 12 decks +23% synergy
Carrion Feeder
25% of 12 decks +22% synergy
Zulaport Cutthroat
25% of 12 decks +20% synergy
Blood Artist
25% of 12 decks +19% synergy
Sakura-Tribe Elder
25% of 12 decks +16% synergy
Birds of Paradise
25% of 12 decks +13% synergy
Instants
Contractual Safeguard
33% of 9 decks +33% synergy
Swords to Plowshares
33% of 12 decks +5% synergy
Rushed Rebirth
27% of 11 decks +27% synergy
Village Rites
27% of 11 decks +22% synergy
Utter End
25% of 12 decks +23% synergy
Eladamri's Call
25% of 12 decks +22% synergy
Sorceries
Farseek
33% of 12 decks +17% synergy
Eerie Ultimatum
25% of 12 decks +24% synergy
Life from the Loam
25% of 12 decks +23% synergy
Demonic Tutor
25% of 12 decks +13% synergy
Utility Artifacts
Birthing Pod
25% of 12 decks +24% synergy
Mesmeric Orb
25% of 12 decks +24% synergy
Utility Lands
Oran-Rief, the Vastwood
33% of 12 decks +31% synergy
Grim Backwoods
25% of 12 decks +24% synergy
Gavony Township
25% of 12 decks +23% synergy
High Market
25% of 12 decks +22% synergy
Mana Artifacts
Sol Ring
67% of 12 decks -18% synergy
Arcane Signet
58% of 12 decks -13% synergy
Lands
Command Tower
92% of 12 decks +18% synergy
Golgari Rot Farm
58% of 12 decks +55% synergy
Exotic Orchard
50% of 12 decks +15% synergy
Selesnya Sanctuary
50% of 12 decks +47% synergy
Indatha Triome
50% of 12 decks +47% synergy
Sandsteppe Citadel
42% of 12 decks +39% synergy
Temple Garden
42% of 12 decks +33% synergy
Overgrown Tomb
42% of 12 decks +32% synergy
Temple of Plenty
33% of 12 decks +31% synergy
Orzhov Basilica
33% of 12 decks +30% synergy
Llanowar Wastes
33% of 12 decks +28% synergy
Canopy Vista
33% of 12 decks +26% synergy
Godless Shrine
33% of 12 decks +24% synergy
Myriad Landscape
33% of 12 decks +13% synergy
Undergrowth Stadium
27% of 11 decks +22% synergy
Temple of Malady
25% of 12 decks +22% synergy
Temple of Silence
25% of 12 decks +21% synergy
Woodland Cemetery
25% of 12 decks +19% synergy
Windswept Heath
25% of 12 decks +15% synergy
Verdant Catacombs
25% of 12 decks +13% synergy
Path of Ancestry
25% of 12 decks +4% synergy