Cauldron of Souls + Dross Scorpion + Phyrexian Altar + Mycosynth Lattice

Cauldron of Souls
Dross Scorpion
Phyrexian Altar
Mycosynth Lattice

Requires
Cauldron of Souls must be on the battlefield. Dross Scorpion must be on the battlefield. Phyrexian Altar 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 Phyrexian Altar by sacrificing the creature with bloodthirst, adding one mana of any color.
  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.

Melira, Sylvok Outcast
0.49% of 205 decks 1 decks
Jetfire, Ingenious Scientist
0.48% of 210 decks 1 decks
Fain, the Broker
0.37% of 272 decks 1 decks
Kiki-Jiki, Mirror Breaker
0.11% of 895 decks 1 decks
Traxos, Scourge of Kroog
0.10% of 1976 decks 2 decks
Karn, Silver Golem
0.09% of 1112 decks 1 decks
Mishra, Tamer of Mak Fawa
0.05% of 1861 decks 1 decks
Zabaz, the Glimmerwasp
0.05% of 2083 decks 1 decks
Jin-Gitaxias
0.04% of 2737 decks 1 decks
Mishra, Eminent One
0.03% of 7670 decks 2 decks
High Synergy Cards
Ashnod's Altar
100% of 12 decks +92% synergy
Cyclonic Rift
100% of 4 decks +86% synergy
Top Cards
Basalt Monolith
75% of 12 decks +72% synergy
Krark-Clan Ironworks
67% of 12 decks +66% synergy
Rings of Brighthearth
67% of 12 decks +65% synergy
Sensei's Divining Top
67% of 12 decks +61% synergy
Myr Turbine
58% of 12 decks +58% synergy
Triskelion
58% of 12 decks +58% synergy
Blasting Station
58% of 12 decks +58% synergy
Grinding Station
58% of 12 decks +58% synergy
Darksteel Forge
58% of 12 decks +57% synergy
Myr Battlesphere
58% of 12 decks +56% synergy
Creatures
Vedalken Archmage
75% of 4 decks +74% synergy
Master Transmuter
75% of 4 decks +74% synergy
Pentavus
50% of 12 decks +50% synergy
Steel Overseer
50% of 12 decks +48% synergy
Cogwork Assembler
42% of 12 decks +42% synergy
Metalworker
42% of 12 decks +41% synergy
Palladium Myr
42% of 12 decks +40% synergy
Myr Retriever
42% of 12 decks +39% synergy
Canoptek Spyder
38% of 8 decks +37% synergy
Karn, Silver Golem
33% of 12 decks +33% synergy
Wurmcoil Engine
33% of 12 decks +31% synergy
Foundry Inspector
33% of 12 decks +29% synergy
Cryptic Trilobite
27% of 11 decks +27% synergy
Stonecoil Serpent
27% of 11 decks +26% synergy
Su-Chi
25% of 12 decks +25% synergy
Voltaic Construct
25% of 12 decks +25% synergy
Arcbound Crusher
25% of 12 decks +25% synergy
Mycosynth Golem
25% of 12 decks +25% synergy
Hangarback Walker
25% of 12 decks +24% synergy
Scrap Trawler
25% of 12 decks +23% synergy
Walking Ballista
25% of 12 decks +22% synergy
Solemn Simulacrum
25% of 12 decks +11% synergy
Sorceries
Fabricate
75% of 4 decks +72% synergy
Utility Artifacts
Heartstone
50% of 12 decks +49% synergy
Nim Deathmantle
50% of 12 decks +49% synergy
Voltaic Key
50% of 12 decks +49% synergy
Umbral Mantle
50% of 12 decks +49% synergy
Clock of Omens
50% of 12 decks +49% synergy
Nevinyrral's Disk
50% of 12 decks +49% synergy
Altar of Dementia
50% of 12 decks +47% synergy
Planar Portal
42% of 12 decks +42% synergy
Lux Cannon
42% of 12 decks +41% synergy
Animation Module
42% of 12 decks +41% synergy
Salvaging Station
33% of 12 decks +33% synergy
Prototype Portal
33% of 12 decks +33% synergy
Unwinding Clock
33% of 12 decks +31% synergy
Flayer Husk
25% of 12 decks +25% synergy
Gorgon Flail
25% of 12 decks +25% synergy
Ugin's Nexus
25% of 12 decks +25% synergy
Blade of the Bloodchief
25% of 12 decks +24% synergy
Ichor Wellspring
25% of 12 decks +23% synergy
Staff of Domination
25% of 12 decks +23% synergy
Sculpting Steel
25% of 12 decks +23% synergy
Isochron Scepter
25% of 12 decks +22% synergy
Strionic Resonator
25% of 12 decks +22% synergy
Skullclamp
25% of 12 decks +12% synergy
Planeswalkers
Tezzeret the Seeker
75% of 4 decks +74% synergy
Karn, the Great Creator
36% of 11 decks +35% synergy
Ugin, the Ineffable
27% of 11 decks +25% synergy
Utility Lands
Academy Ruins
75% of 4 decks +73% synergy
Buried Ruin
58% of 12 decks +53% synergy
Urza's Saga
40% of 10 decks +33% synergy
Inventors' Fair
33% of 12 decks +29% synergy
Darksteel Citadel
33% of 12 decks +29% synergy
Reliquary Tower
33% of 12 decks +4% synergy
Homeward Path
25% of 12 decks +23% synergy
Mikokoro, Center of the Sea
25% of 12 decks +23% synergy
Geier Reach Sanitarium
25% of 12 decks +21% synergy
Mana Artifacts
Sol Ring
83% of 12 decks -1% synergy
Gilded Lotus
58% of 12 decks +55% synergy
Everflowing Chalice
50% of 12 decks +45% synergy
Thran Dynamo
42% of 12 decks +37% synergy
Chromatic Orrery
36% of 11 decks +35% synergy
Dreamstone Hedron
33% of 12 decks +32% synergy
Mind Stone
25% of 12 decks +7% synergy
Lands
Command Tower
25% of 12 decks -49% synergy