Tatterkite + Dross Scorpion + Cauldron of Souls + Arcbound Ravager

Tatterkite
Dross Scorpion
Cauldron of Souls
Arcbound Ravager

Requires
Tatterkite must be on the battlefield. Dross Scorpion must be on the battlefield. Cauldron of Souls must be on the battlefield. Arcbound Ravager must be on the battlefield.
Steps
  1. Activate Cauldron of Souls by tapping it, giving Tatterkite persist until end of turn.
  2. Activate Arcbound Ravager by sacrificing Tatterkite.
  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. Resolve the Arcbound Ravager ability from step 2, putting a +1/+1 counter on it.
  7. Repeat.
Results
Infinite +1/+1 counters on Arcbound Ravager. Infinite death triggers. Infinite ETB. Infinite LTB. Infinite sacrifice triggers.

Reaper King
0.02% of 5519 decks 1 decks
Chiss-Goria, Forge Tyrant
0.02% of 4282 decks 1 decks
Liberator, Urza's Battlethopter
0.03% of 2986 decks 1 decks
Creatures
Scarecrow Guide
100% of 1 decks +100% synergy
Shire Scarecrow
100% of 1 decks +100% synergy
Irregular Cohort
100% of 1 decks +99% synergy
Graveshifter
100% of 1 decks +99% synergy
Titan of Littjara
100% of 1 decks +99% synergy
Unsettled Mariner
100% of 1 decks +98% synergy
Mikaeus, the Unhallowed
100% of 1 decks +97% synergy
Yarok, the Desecrated
100% of 1 decks +97% synergy
Padeem, Consul of Innovation
100% of 1 decks +97% synergy
Enthusiastic Mechanaut
100% of 1 decks +96% synergy
Changeling Outcast
100% of 1 decks +95% synergy
Elesh Norn, Mother of Machines
100% of 1 decks +95% synergy
Soulherder
100% of 1 decks +95% synergy
Etherium Sculptor
100% of 1 decks +95% synergy
Realmwalker
100% of 1 decks +94% synergy
Spark Double
100% of 1 decks +93% synergy
Myr Battlesphere
67% of 3 decks +65% synergy
Palladium Myr
67% of 3 decks +65% synergy
Foundry Inspector
67% of 3 decks +63% synergy
Slobad, Iron Goblin
50% of 2 decks +50% synergy
Scrap Welder
50% of 2 decks +50% synergy
Breya's Apprentice
50% of 2 decks +49% synergy
Goblin Welder
50% of 2 decks +47% synergy
Iron Myr
50% of 2 decks +47% synergy
Taurean Mauler
50% of 2 decks +47% synergy
Purphoros, God of the Forge
50% of 2 decks +45% synergy
Dockside Extortionist
50% of 2 decks +38% synergy
Scarecrow
33% of 3 decks +33% synergy
Wicker Warcrawler
33% of 3 decks +33% synergy
Blazethorn Scarecrow
33% of 3 decks +33% synergy
Antler Skulkin
33% of 3 decks +33% synergy
Thornwatch Scarecrow
33% of 3 decks +33% synergy
Grim Poppet
33% of 3 decks +33% synergy
Crossroads Candleguide
33% of 3 decks +33% synergy
Thopter Squadron
33% of 3 decks +33% synergy
Rattleblaze Scarecrow
33% of 3 decks +33% synergy
One-Eyed Scarecrow
33% of 3 decks +33% synergy
Lockjaw Snapper
33% of 3 decks +33% synergy
Fang Skulkin
33% of 3 decks +33% synergy
Watchwing Scarecrow
33% of 3 decks +33% synergy
Workhorse
33% of 3 decks +33% synergy
Heap Doll
33% of 3 decks +33% synergy
Farmstead Gleaner
33% of 3 decks +33% synergy
Wingrattle Scarecrow
33% of 3 decks +33% synergy
Battered Golem
33% of 3 decks +33% synergy
Pentavus
33% of 3 decks +33% synergy
Cathodion
33% of 3 decks +33% synergy
Scuttlemutt
33% of 3 decks +33% synergy
Painter's Servant
33% of 3 decks +33% synergy
Scarecrone
33% of 3 decks +33% synergy
Instants
Eerie Interlude
100% of 1 decks +96% synergy
Ghostly Flicker
100% of 1 decks +95% synergy
Harrow
100% of 1 decks +91% synergy
Vampiric Tutor
100% of 1 decks +82% synergy
Cyclonic Rift
100% of 1 decks +72% synergy
Swords to Plowshares
100% of 1 decks +37% synergy
Tibalt's Trickery
50% of 2 decks +44% synergy
Unexpected Windfall
50% of 2 decks +43% synergy
Big Score
50% of 2 decks +41% synergy
Thrill of Possibility
50% of 2 decks +40% synergy
Lightning Bolt
50% of 2 decks +39% synergy
Deflecting Swat
50% of 2 decks +34% synergy
Chaos Warp
50% of 2 decks +18% synergy
Sorceries
Majestic Genesis
100% of 1 decks +99% synergy
One with the Machine
100% of 1 decks +99% synergy
Their Name Is Death
100% of 1 decks +99% synergy
Wake the Past
100% of 1 decks +97% synergy
Fabricate
100% of 1 decks +94% synergy
Farseek
100% of 1 decks +66% synergy
Worldfire
50% of 2 decks +50% synergy
Scrap Mastery
50% of 2 decks +49% synergy
Fireball
50% of 2 decks +49% synergy
Banefire
50% of 2 decks +49% synergy
Trash for Treasure
50% of 2 decks +49% synergy
Vandalblast
50% of 2 decks +34% synergy
Faithless Looting
50% of 2 decks +33% synergy
Blasphemous Act
50% of 2 decks +17% synergy
All Is Dust
33% of 3 decks +32% synergy
Utility Artifacts
Myr Turbine
67% of 3 decks +66% synergy
Blasting Station
67% of 3 decks +66% synergy
Krark-Clan Ironworks
67% of 3 decks +66% synergy
Sculpting Steel
67% of 3 decks +64% synergy
Unwinding Clock
67% of 3 decks +64% synergy
Altar of Dementia
67% of 3 decks +64% synergy
Ashnod's Altar
67% of 3 decks +59% synergy
Salvaging Station
33% of 3 decks +33% synergy
Prototype Portal
33% of 3 decks +33% synergy
Magistrate's Scepter
33% of 3 decks +33% synergy
Gonti's Aether Heart
33% of 3 decks +33% synergy
Animation Module
33% of 3 decks +33% synergy
Planar Bridge
33% of 3 decks +33% synergy
Liquimetal Coating
33% of 3 decks +33% synergy
Horizon Stone
33% of 3 decks +33% synergy
Throne of Geth
33% of 3 decks +33% synergy
Nim Deathmantle
33% of 3 decks +33% synergy
Mirrorworks
33% of 3 decks +33% synergy
Mycosynth Lattice
33% of 3 decks +33% synergy
Mind's Eye
33% of 3 decks +32% synergy
Spine of Ish Sah
33% of 3 decks +32% synergy
Clock of Omens
33% of 3 decks +32% synergy
Darksteel Forge
33% of 3 decks +32% synergy
Vedalken Orrery
33% of 3 decks +32% synergy
Elixir of Immortality
33% of 3 decks +32% synergy
Mirage Mirror
33% of 3 decks +32% synergy
Forsaken Monument
33% of 3 decks +32% synergy
Cloud Key
33% of 3 decks +31% synergy
Maskwood Nexus
33% of 3 decks +31% synergy
Mystic Forge
33% of 3 decks +30% synergy
Hedron Archive
33% of 3 decks +30% synergy
Phyrexian Altar
33% of 3 decks +29% synergy
Panharmonicon
33% of 3 decks +29% synergy
Wayfarer's Bauble
33% of 3 decks +23% synergy
Lightning Greaves
33% of 3 decks +8% synergy
Swiftfoot Boots
33% of 3 decks +5% synergy
Enchantments
Virtue of Knowledge
100% of 1 decks +97% synergy
Reflections of Littjara
100% of 1 decks +95% synergy
Pia's Revolution
50% of 2 decks +49% synergy
Impact Tremors
50% of 2 decks +40% synergy
Planeswalkers
Daretti, Scrap Savant
50% of 2 decks +48% synergy
Karn, Living Legacy
33% of 3 decks +33% synergy
Karn, the Great Creator
33% of 3 decks +32% synergy
Ugin, the Ineffable
33% of 3 decks +31% synergy
Utility Lands
Academy Ruins
100% of 1 decks +95% synergy
Reliquary Tower
100% of 3 decks +70% synergy
Tomb of the Spirit Dragon
67% of 3 decks +66% synergy
Urza's Power Plant
67% of 3 decks +65% synergy
Urza's Mine
67% of 3 decks +65% synergy
Urza's Tower
67% of 3 decks +65% synergy
Inventors' Fair
67% of 3 decks +63% synergy
Darksteel Citadel
67% of 3 decks +63% synergy
Buried Ruin
67% of 3 decks +62% synergy
Valakut, the Molten Pinnacle
50% of 2 decks +48% synergy
Great Furnace
50% of 2 decks +44% synergy
Urza's Factory
33% of 3 decks +33% synergy
Urza's Workshop
33% of 3 decks +32% synergy
Cascading Cataracts
33% of 3 decks +32% synergy
Shrine of the Forsaken Gods
33% of 3 decks +32% synergy
Arcane Lighthouse
33% of 3 decks +32% synergy
Karn's Bastion
33% of 3 decks +28% synergy
War Room
33% of 3 decks +27% synergy
Mana Artifacts
Arcane Signet
67% of 3 decks -6% synergy
Sol Ring
67% of 3 decks -18% synergy
Fire Diamond
50% of 2 decks +45% synergy
Coveted Jewel
33% of 3 decks +32% synergy
Skyclave Relic
33% of 3 decks +32% synergy
Darksteel Ingot
33% of 3 decks +32% synergy
Basalt Monolith
33% of 3 decks +31% synergy
Gilded Lotus
33% of 3 decks +30% synergy
Liquimetal Torque
33% of 3 decks +30% synergy
Mox Amber
33% of 3 decks +29% synergy
Thran Dynamo
33% of 3 decks +29% synergy
Mana Vault
33% of 3 decks +27% synergy
Mana Crypt
33% of 3 decks +25% synergy
Commander's Sphere
33% of 3 decks +18% synergy
Mind Stone
33% of 3 decks +16% synergy
Fellwar Stone
33% of 3 decks +12% synergy
Lands
Savage Lands
100% of 1 decks +77% synergy
Sandsteppe Citadel
100% of 1 decks +74% synergy
Seaside Citadel
100% of 1 decks +74% synergy
Mystic Monastery
100% of 1 decks +73% synergy
Opulent Palace
100% of 1 decks +73% synergy
Frontier Bivouac
100% of 1 decks +73% synergy
Arcane Sanctum
100% of 1 decks +72% synergy
Nomad Outpost
100% of 1 decks +72% synergy
Crumbling Necropolis
100% of 1 decks +69% synergy
Jungle Shrine
100% of 1 decks +68% synergy
The World Tree
100% of 1 decks +67% synergy
Mirrex
50% of 2 decks +49% synergy
Secluded Courtyard
33% of 3 decks +29% synergy
Path of Ancestry
33% of 3 decks +12% synergy
Exotic Orchard
33% of 3 decks -2% synergy
Command Tower
33% of 3 decks -41% synergy