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
0.19% of 1051 decks 2 decks
Liberator, Urza's Battlethopter
0.03% of 3068 decks 1 decks
Kiki-Jiki, Mirror Breaker
0.11% of 903 decks 1 decks
Fain, the Broker
0.37% of 272 decks 1 decks
Jhoira, Ageless Innovator
0.05% of 2085 decks 1 decks
Blaster, Combat DJ
0.16% of 617 decks 1 decks
Reaper King
0.02% of 5478 decks 1 decks
Chiss-Goria, Forge Tyrant
0.02% of 4172 decks 1 decks
Jetfire, Ingenious Scientist
0.50% of 199 decks 1 decks
Oswald Fiddlebender
0.06% of 1788 decks 1 decks
Zabaz, the Glimmerwasp
0.05% of 2123 decks 1 decks
Kozilek, the Great Distortion
0.02% of 6140 decks 1 decks
Breya, Etherium Shaper
0.01% of 13881 decks 1 decks
High Synergy Cards
Foundry Inspector
64% of 14 decks +60% synergy
Darksteel Citadel
57% of 14 decks +53% synergy
Buried Ruin
57% of 14 decks +52% synergy
Ashnod's Altar
57% of 14 decks +50% synergy
Clock of Omens
50% of 14 decks +49% synergy
Rings of Brighthearth
50% of 14 decks +48% synergy
Myr Retriever
50% of 14 decks +48% synergy
Unwinding Clock
50% of 14 decks +47% synergy
Mystic Forge
50% of 12 decks +47% synergy
Inventors' Fair
50% of 14 decks +46% synergy
Top Cards
Basalt Monolith
71% of 14 decks +69% synergy
Myr Turbine
43% of 14 decks +43% synergy
Triskelion
43% of 14 decks +42% synergy
Nim Deathmantle
43% of 14 decks +42% synergy
Voltaic Key
43% of 14 decks +42% synergy
Darksteel Forge
43% of 14 decks +42% synergy
Cloud Key
43% of 14 decks +41% synergy
Sensei's Divining Top
43% of 14 decks +37% synergy
Solemn Simulacrum
43% of 14 decks +29% synergy
Karn, the Great Creator
42% of 12 decks +40% synergy
Creatures
Goblin Welder
43% of 7 decks +40% synergy
Pentavus
36% of 14 decks +36% synergy
Arcbound Ravager
36% of 14 decks +35% synergy
Metalworker
36% of 14 decks +35% synergy
Steel Overseer
36% of 14 decks +34% synergy
Wurmcoil Engine
36% of 14 decks +34% synergy
Scrap Trawler
36% of 14 decks +34% synergy
Myr Battlesphere
36% of 14 decks +34% synergy
Voltaic Construct
29% of 14 decks +28% synergy
Mycosynth Golem
29% of 14 decks +28% synergy
Kuldotha Forgemaster
29% of 14 decks +28% synergy
Walking Ballista
29% of 14 decks +26% synergy
Jhoira's Familiar
25% of 12 decks +23% synergy
Arcbound Crusher
21% of 14 decks +21% synergy
Myr Welder
21% of 14 decks +21% synergy
Junk Diver
21% of 14 decks +21% synergy
Hangarback Walker
21% of 14 decks +20% synergy
Shimmer Myr
21% of 14 decks +20% synergy
Instants
Dramatic Reversal
75% of 4 decks +70% synergy
Sorceries
Vandalblast
43% of 7 decks +27% synergy
All Is Dust
29% of 14 decks +27% synergy
Utility Artifacts
Animation Module
36% of 14 decks +35% synergy
Staff of Domination
36% of 14 decks +34% synergy
Sculpting Steel
36% of 14 decks +33% synergy
Forsaken Monument
33% of 12 decks +32% synergy
Salvaging Station
29% of 14 decks +29% synergy
Prototype Portal
29% of 14 decks +28% synergy
Planar Bridge
29% of 14 decks +28% synergy
Blasting Station
29% of 14 decks +28% synergy
Mirrorworks
29% of 14 decks +28% synergy
Spine of Ish Sah
29% of 14 decks +28% synergy
Umbral Mantle
29% of 14 decks +28% synergy
Nevinyrral's Disk
29% of 14 decks +27% synergy
Ichor Wellspring
29% of 14 decks +27% synergy
Isochron Scepter
29% of 14 decks +26% synergy
Phyrexian Altar
29% of 14 decks +25% synergy
Lightning Greaves
29% of 14 decks +3% synergy
Mirage Mirror
23% of 13 decks +22% synergy
Planar Portal
21% of 14 decks +21% synergy
Helm of Awakening
21% of 14 decks +21% synergy
Trading Post
21% of 14 decks +20% synergy
Skullclamp
21% of 14 decks +9% synergy
Swiftfoot Boots
21% of 14 decks -6% synergy
Utility Lands
Reliquary Tower
50% of 14 decks +20% synergy
Urza's Tower
36% of 14 decks +34% synergy
Temple of the False God
36% of 14 decks +26% synergy
Urza's Saga
33% of 12 decks +26% synergy
Urza's Workshop
30% of 10 decks +29% synergy
Sanctum of Ugin
29% of 14 decks +28% synergy
Tomb of the Spirit Dragon
29% of 14 decks +28% synergy
Shrine of the Forsaken Gods
29% of 14 decks +27% synergy
Homeward Path
29% of 14 decks +27% synergy
Urza's Power Plant
29% of 14 decks +27% synergy
Urza's Mine
29% of 14 decks +27% synergy
Zhalfirin Void
25% of 12 decks +24% synergy
Treasure Vault
25% of 12 decks +22% synergy
Arch of Orazca
23% of 13 decks +22% synergy
Winding Canyons
21% of 14 decks +21% synergy
Arcane Lighthouse
21% of 14 decks +20% synergy
Mikokoro, Center of the Sea
21% of 14 decks +20% synergy
Ancient Tomb
21% of 14 decks +11% synergy
Rogue's Passage
21% of 14 decks +2% synergy
Mana Artifacts
Sol Ring
100% of 14 decks +16% synergy
Arcane Signet
58% of 12 decks -14% synergy
Mana Crypt
43% of 14 decks +34% synergy
Thran Dynamo
36% of 14 decks +31% synergy
Mana Vault
36% of 14 decks +29% synergy
Liquimetal Torque
33% of 12 decks +30% synergy
Gilded Lotus
29% of 14 decks +25% synergy
Chromatic Orrery
25% of 12 decks +23% synergy
Mox Amber
25% of 12 decks +21% synergy
Darksteel Ingot
21% of 14 decks +20% synergy
Mox Opal
21% of 14 decks +17% synergy
Commander's Sphere
21% of 14 decks +6% synergy
Thought Vessel
21% of 14 decks +5% synergy
Mind Stone
21% of 14 decks +4% synergy
Lands
The Mycosynth Gardens
38% of 8 decks +35% synergy