Tatterkite + Dross Scorpion + Cauldron of Souls + Ashnod's Altar

Tatterkite
Dross Scorpion
Cauldron of Souls
Ashnod's Altar

Requires
Tatterkite must be on the battlefield. Dross Scorpion must be on the battlefield. Cauldron of Souls must be on the battlefield. Ashnod's Altar must be on the battlefield.
Steps
  1. Activate Cauldron of Souls by tapping it, giving Tatterkite persist until end of turn.
  2. Activate Ashnod's Altar by sacrificing Tatterkite, adding .
  3. Tatterkite dies, triggering its persist ability and Dross Scorpion.
  4. Resolve the Tatterkite trigger, returning it from your graveyard to the battlefield with no -1/-1 counters on it.
  5. Resolve the Dross Scorpion trigger, untapping Cauldron of Souls.
  6. Repeat.
Results
Infinite colorless mana. Infinite death triggers. Infinite ETB. Infinite LTB. Infinite sacrifice triggers.

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0.05% of 5486 decks 3 decks
Gev, Scaled Scorch
0.04% of 4662 decks 2 decks
Mikaeus, the Unhallowed
0.15% of 1358 decks 2 decks
Erebos, Bleak-Hearted
0.36% of 274 decks 1 decks
Urza, Lord High Artificer
0.01% of 12919 decks 1 decks
Liberator, Urza's Battlethopter
0.03% of 3044 decks 1 decks
Dargo, the Shipwrecker // Keskit, the Flesh Sculptor
0.54% of 186 decks 1 decks
High Synergy Cards
Blasting Station
64% of 11 decks +63% synergy
Phyrexian Altar
55% of 11 decks +51% synergy
Carrion Feeder
56% of 9 decks +50% synergy
Viscera Seer
56% of 9 decks +46% synergy
Triskelion
45% of 11 decks +45% synergy
Altar of Dementia
45% of 11 decks +43% synergy
Mikaeus, the Unhallowed
44% of 9 decks +42% synergy
Yawgmoth, Thran Physician
44% of 9 decks +41% synergy
Pitiless Plunderer
44% of 9 decks +37% synergy
Chainbreaker
36% of 11 decks +36% synergy
Top Cards
Solemn Simulacrum
45% of 11 decks +31% synergy
Zulaport Cutthroat
44% of 9 decks +35% synergy
Phyrexian Arena
44% of 9 decks +29% synergy
Toxic Deluge
44% of 9 decks +27% synergy
Grim Poppet
36% of 11 decks +36% synergy
Creatures
Goblin Engineer
50% of 6 decks +47% synergy
Putrid Goblin
33% of 9 decks +33% synergy
Puppeteer Clique
33% of 9 decks +32% synergy
Crypt Ghast
33% of 9 decks +28% synergy
Gray Merchant of Asphodel
33% of 9 decks +24% synergy
Blood Artist
33% of 9 decks +22% synergy
Rattleblaze Scarecrow
27% of 11 decks +27% synergy
Fang Skulkin
27% of 11 decks +27% synergy
Heap Doll
27% of 11 decks +27% synergy
Wingrattle Scarecrow
27% of 11 decks +27% synergy
Lesser Masticore
27% of 11 decks +27% synergy
Scuttlemutt
27% of 11 decks +27% synergy
Painter's Servant
27% of 11 decks +27% synergy
Scarecrone
27% of 11 decks +27% synergy
Pili-Pala
27% of 11 decks +27% synergy
Arcbound Ravager
27% of 11 decks +27% synergy
Burnished Hart
27% of 11 decks +23% synergy
Sorceries
Sign in Blood
33% of 9 decks +24% synergy
Feed the Swarm
33% of 9 decks +15% synergy
Demonic Tutor
33% of 9 decks +11% synergy
Utility Artifacts
Myr Turbine
27% of 11 decks +27% synergy
Animation Module
27% of 11 decks +27% synergy
Clock of Omens
27% of 11 decks +26% synergy
Ichor Wellspring
27% of 11 decks +26% synergy
Skullclamp
27% of 11 decks +15% synergy
Lightning Greaves
27% of 11 decks +2% synergy
Swiftfoot Boots
27% of 11 decks -1% synergy
Enchantments
Bastion of Remembrance
33% of 9 decks +27% synergy
Utility Lands
Academy Ruins
75% of 4 decks +70% synergy
Reliquary Tower
45% of 11 decks +16% synergy
Bojuka Bog
33% of 9 decks +3% synergy
Inventors' Fair
27% of 11 decks +23% synergy
Buried Ruin
27% of 11 decks +22% synergy
Mana Artifacts
Sol Ring
82% of 11 decks -3% synergy
Arcane Signet
73% of 11 decks +1% synergy
Rakdos Signet
50% of 6 decks +20% synergy
Lands
Command Tower
64% of 11 decks -10% synergy
Myriad Landscape
27% of 11 decks +8% synergy