Cauldron of Souls + Dross Scorpion + Krark-Clan Ironworks + Mycosynth Lattice

Cauldron of Souls
Dross Scorpion
Krark-Clan Ironworks
Mycosynth Lattice

Requires
Cauldron of Souls must be on the battlefield. Dross Scorpion must be on the battlefield. Krark-Clan Ironworks must be on the battlefield. Mycosynth Lattice must be on the battlefield. An opponent was dealt damage this turn. The creature with bloodthirst does not have a -1/-1 counter on it.
Steps
  1. Activate Cauldron of Souls by tapping it, giving the creature with bloodthirst persist until end of turn.
  2. Activate Krark-Clan Ironworks by sacrificing the creature with bloodthirst, adding .
  3. When the creature dies, its persist ability and Dross Scorpion trigger.
  4. Resolve the persist trigger, returning the creature from your graveyard to the battlefield, which enters the battlefield with at least one +1/+1 counter on it due to its bloodthirst ability.
  5. Resolve the Dross Scorpion trigger, untapping Cauldron of Souls.
  6. Repeat.
Results
Infinite LTB. Infinite ETB. Infinite colored mana. Infinite sacrifice triggers. Infinite death triggers. Infinite colorless mana.

Karn, Silver Golem
0.20% of 1020 decks 2 decks
Iron Man, Titan of Innovation
0.05% of 4241 decks 2 decks
Reaper King
0.02% of 5717 decks 1 decks
Jetfire, Ingenious Scientist
0.48% of 210 decks 1 decks
Breya, Etherium Shaper
0.01% of 14851 decks 1 decks
Zabaz, the Glimmerwasp
0.05% of 2213 decks 1 decks
Magda, Brazen Outlaw
0.01% of 12201 decks 1 decks
Kozilek, the Great Distortion
0.02% of 5903 decks 1 decks
Liberator, Urza's Battlethopter
0.04% of 2805 decks 1 decks
Jhoira, Ageless Innovator
0.05% of 2121 decks 1 decks
Blaster, Combat DJ
0.16% of 640 decks 1 decks
Oswald Fiddlebender
0.05% of 1848 decks 1 decks
Fain, the Broker
0.34% of 293 decks 1 decks
Kiki-Jiki, Mirror Breaker
0.11% of 916 decks 1 decks
High Synergy Cards
Rings of Brighthearth
56% of 16 decks +55% synergy
Darksteel Citadel
56% of 16 decks +53% synergy
Metalworker
50% of 16 decks +50% synergy
Triskelion
50% of 16 decks +50% synergy
Voltaic Key
50% of 16 decks +49% synergy
Clock of Omens
50% of 16 decks +49% synergy
Ashnod's Altar
56% of 16 decks +49% synergy
Unwinding Clock
50% of 16 decks +47% synergy
Mystic Forge
50% of 16 decks +47% synergy
Inventors' Fair
50% of 16 decks +46% synergy
Top Cards
Foundry Inspector
50% of 16 decks +46% synergy
Sensei's Divining Top
50% of 16 decks +45% synergy
Goblin Welder
44% of 9 decks +42% synergy
Nim Deathmantle
44% of 16 decks +43% synergy
Darksteel Forge
44% of 16 decks +43% synergy
Staff of Domination
44% of 16 decks +42% synergy
Pentavus
38% of 16 decks +37% synergy
Prototype Portal
38% of 16 decks +37% synergy
Myr Turbine
38% of 16 decks +37% synergy
Kuldotha Forgemaster
38% of 16 decks +37% synergy
Game Changers
Urza, Lord High Artificer
67% of 6 decks +63% synergy
Cyclonic Rift
50% of 6 decks +23% synergy
Mana Vault
38% of 16 decks +31% synergy
Ancient Tomb
31% of 16 decks +21% synergy
Creatures
Master Transmuter
50% of 6 decks +48% synergy
Emry, Lurker of the Loch
50% of 6 decks +46% synergy
Scrap Trawler
38% of 16 decks +36% synergy
Myr Retriever
38% of 16 decks +36% synergy
Solemn Simulacrum
38% of 16 decks +24% synergy
Steel Overseer
31% of 16 decks +30% synergy
Su-Chi
25% of 16 decks +25% synergy
Voltaic Construct
25% of 16 decks +25% synergy
Arcbound Ravager
25% of 16 decks +25% synergy
Wurmcoil Engine
25% of 16 decks +23% synergy
Myr Battlesphere
25% of 16 decks +23% synergy
Karn, Silver Golem
19% of 16 decks +19% synergy
Myr Welder
19% of 16 decks +19% synergy
Arcbound Crusher
19% of 16 decks +18% synergy
Mycosynth Golem
19% of 16 decks +18% synergy
Shimmer Myr
19% of 16 decks +17% synergy
Jhoira's Familiar
19% of 16 decks +17% synergy
Walking Ballista
19% of 16 decks +16% synergy
Instants
Dramatic Reversal
50% of 6 decks +45% synergy
Sorceries
Gamble
33% of 9 decks +24% synergy
All Is Dust
25% of 16 decks +23% synergy
Utility Artifacts
Nevinyrral's Disk
38% of 16 decks +36% synergy
Ichor Wellspring
38% of 16 decks +36% synergy
Cloud Key
38% of 16 decks +36% synergy
Salvaging Station
31% of 16 decks +31% synergy
Animation Module
31% of 16 decks +31% synergy
Blasting Station
31% of 16 decks +31% synergy
Mirrorworks
31% of 16 decks +31% synergy
Spine of Ish Sah
31% of 16 decks +30% synergy
Helm of Awakening
31% of 16 decks +30% synergy
Forsaken Monument
31% of 16 decks +30% synergy
Sculpting Steel
31% of 16 decks +29% synergy
Phyrexian Altar
31% of 16 decks +27% synergy
Ugin's Nexus
25% of 16 decks +25% synergy
Mindslaver
25% of 16 decks +25% synergy
Umbral Mantle
25% of 16 decks +24% synergy
Mirage Mirror
25% of 16 decks +23% synergy
Isochron Scepter
25% of 16 decks +23% synergy
Lotus Petal
25% of 16 decks +18% synergy
Commander's Sphere
25% of 16 decks +10% synergy
Lightning Greaves
25% of 16 decks -0% synergy
Planar Portal
19% of 16 decks +19% synergy
Myr Matrix
19% of 16 decks +19% synergy
Gonti's Aether Heart
19% of 16 decks +18% synergy
Planar Bridge
19% of 16 decks +18% synergy
Liquimetal Coating
19% of 16 decks +18% synergy
Grinding Station
19% of 16 decks +18% synergy
Torpor Orb
19% of 16 decks +18% synergy
Winter Orb
19% of 16 decks +18% synergy
Semblance Anvil
19% of 16 decks +18% synergy
Amulet of Vigor
19% of 16 decks +18% synergy
Trading Post
19% of 16 decks +18% synergy
Lithoform Engine
19% of 16 decks +17% synergy
Crucible of Worlds
19% of 16 decks +16% synergy
Expedition Map
19% of 16 decks +16% synergy
Skullclamp
19% of 16 decks +7% synergy
Mind Stone
19% of 16 decks +2% synergy
Swiftfoot Boots
19% of 16 decks -9% synergy
Planeswalkers
Daretti, Scrap Savant
33% of 9 decks +31% synergy
Karn, the Great Creator
25% of 16 decks +24% synergy
Karn, Living Legacy
19% of 16 decks +18% synergy
Utility Lands
Seat of the Synod
50% of 6 decks +44% synergy
Buried Ruin
44% of 16 decks +39% synergy
Temple of the False God
44% of 16 decks +34% synergy
Urza's Tower
38% of 16 decks +36% synergy
Urza's Saga
38% of 16 decks +31% synergy
Reliquary Tower
38% of 16 decks +8% synergy
Great Furnace
33% of 9 decks +28% synergy
Urza's Power Plant
31% of 16 decks +29% synergy
Urza's Mine
31% of 16 decks +29% synergy
Sanctum of Ugin
25% of 16 decks +24% synergy
Shrine of the Forsaken Gods
25% of 16 decks +24% synergy
Homeward Path
25% of 16 decks +23% synergy
Command Beacon
25% of 16 decks +20% synergy
Winding Canyons
19% of 16 decks +19% synergy
Urza's Workshop
19% of 16 decks +18% synergy
Zhalfirin Void
19% of 16 decks +18% synergy
Arch of Orazca
19% of 16 decks +18% synergy
Tomb of the Spirit Dragon
19% of 16 decks +18% synergy
Arcane Lighthouse
19% of 16 decks +17% synergy
Mikokoro, Center of the Sea
19% of 16 decks +17% synergy
Treasure Vault
19% of 16 decks +16% synergy
Rogue's Passage
19% of 16 decks -1% synergy
Mana Artifacts
Sol Ring
100% of 16 decks +16% synergy
Basalt Monolith
75% of 16 decks +72% synergy
Izzet Signet
60% of 5 decks +32% synergy
Arcane Signet
56% of 16 decks -16% synergy
Chromatic Orrery
38% of 16 decks +36% synergy
Gilded Lotus
38% of 16 decks +34% synergy
Liquimetal Torque
31% of 16 decks +28% synergy
Mox Opal
31% of 16 decks +27% synergy
Thran Dynamo
31% of 16 decks +26% synergy
Mana Crypt
31% of 16 decks +25% synergy
Darksteel Ingot
25% of 16 decks +24% synergy
Chromatic Lantern
25% of 16 decks +16% synergy
Everflowing Chalice
19% of 16 decks +14% synergy
Thought Vessel
19% of 16 decks +2% synergy
Lands
Command Tower
25% of 16 decks -49% synergy
The Mycosynth Gardens
19% of 16 decks +17% synergy