Hell's Caretaker + Corridor Monitor + Pestermite

Hell's Caretaker
Corridor Monitor
Pestermite

Requires
Hell's Caretaker must be on the battlefield. Corridor Monitor must be on the battlefield. Pestermite must be in the graveyard.
Steps
  1. During your upkeep, activate Hell's Caretaker by sacrificing Corridor Montior, returning Pestermite from your graveyard to the battlefield.
  2. Pestermite enters the battlefield, untapping Hell's Caretaker.
  3. Activate Hell's Caretaker by sacrificing Pestermite, returning Corridor Monitor from your graveyard to the battlefield.
  4. Corridor Monitor enters the battlefield, untapping Hell's Caretaker.
  5. Repeat.
Results
Infinite death triggers. Infinite ETB. Infinite LTB. Infinite sacrifice triggers.

Yarok, the Desecrated
0.01% of 10460 decks 1 decks
Araumi of the Dead Tide
0.03% of 3323 decks 1 decks
Ashnod the Uncaring
0.04% of 2695 decks 1 decks
New Cards
Come Back Wrong
100% of 1 decks +98% synergy
Creatures
Devouring Hellion
100% of 1 decks +100% synergy
Blood Aspirant
100% of 1 decks +100% synergy
Laurine, the Diversion
100% of 1 decks +100% synergy
Molderhulk
100% of 1 decks +100% synergy
Scrap Welder
100% of 1 decks +100% synergy
Body Dropper
100% of 1 decks +99% synergy
Elvish Rejuvenator
100% of 1 decks +99% synergy
Hidetsugu, Devouring Chaos
100% of 1 decks +99% synergy
Foundation Breaker
100% of 1 decks +99% synergy
Orcus, Prince of Undeath
100% of 1 decks +99% synergy
Glóin, Dwarf Emissary
100% of 1 decks +98% synergy
Elvish Visionary
100% of 1 decks +98% synergy
Soul of the Harvest
100% of 1 decks +97% synergy
End-Raze Forerunners
100% of 1 decks +97% synergy
Titania, Protector of Argoth
100% of 1 decks +97% synergy
Risen Reef
100% of 1 decks +97% synergy
Acidic Slime
100% of 1 decks +96% synergy
Wood Elves
100% of 1 decks +93% synergy
Lotus Cobra
100% of 1 decks +93% synergy
Coiling Oracle
100% of 1 decks +92% synergy
Gray Merchant of Asphodel
100% of 3 decks +91% synergy
Mayhem Devil
100% of 1 decks +90% synergy
Reclamation Sage
100% of 1 decks +89% synergy
Tireless Provisioner
100% of 1 decks +89% synergy
Tatyova, Benthic Druid
100% of 1 decks +88% synergy
Eternal Witness
100% of 1 decks +79% synergy
Peregrine Drake
67% of 3 decks +63% synergy
Syr Konrad, the Grim
67% of 3 decks +58% synergy
Acolyte of Aclazotz
50% of 2 decks +50% synergy
Kitesail Larcenist
50% of 2 decks +48% synergy
Enigma Eidolon
33% of 3 decks +33% synergy
Copper Gnomes
33% of 3 decks +33% synergy
Merfolk Skyscout
33% of 3 decks +33% synergy
Ashen-Skin Zubera
33% of 3 decks +33% synergy
Cogwork Assembler
33% of 3 decks +33% synergy
Floating-Dream Zubera
33% of 3 decks +33% synergy
Inga Rune-Eyes
33% of 3 decks +33% synergy
Vhal, Candlekeep Researcher
33% of 3 decks +33% synergy
Deceiver Exarch
33% of 3 decks +33% synergy
Perilous Myr
33% of 3 decks +33% synergy
Scion of Darkness
33% of 3 decks +33% synergy
Stronghold Assassin
33% of 3 decks +33% synergy
Kamber, the Plunderer
33% of 3 decks +33% synergy
Champion of Wits
33% of 3 decks +33% synergy
Ruthless Knave
33% of 3 decks +33% synergy
Araumi of the Dead Tide
33% of 3 decks +33% synergy
Fatestitcher
33% of 3 decks +33% synergy
Nimble Obstructionist
33% of 3 decks +33% synergy
Eloise, Nephalia Sleuth
33% of 3 decks +33% synergy
Dimir House Guard
33% of 3 decks +33% synergy
Instants
Roiling Regrowth
100% of 1 decks +97% synergy
Tear Asunder
100% of 1 decks +94% synergy
Entish Restoration
100% of 1 decks +92% synergy
Harrow
100% of 1 decks +90% synergy
Growth Spiral
100% of 1 decks +78% synergy
Counterspell
100% of 3 decks +57% synergy
Negate
67% of 3 decks +44% synergy
Bitter Triumph
50% of 2 decks +45% synergy
Irradiate
33% of 3 decks +33% synergy
Insidious Dreams
33% of 3 decks +33% synergy
Commander's Insight
33% of 3 decks +33% synergy
Engulf the Shore
33% of 3 decks +32% synergy
Hostile Negotiations
33% of 3 decks +32% synergy
Perplex
33% of 3 decks +32% synergy
Thirst for Discovery
33% of 3 decks +32% synergy
Thirst for Knowledge
33% of 3 decks +32% synergy
Essence Flux
33% of 3 decks +31% synergy
Narset's Reversal
33% of 3 decks +30% synergy
Ghostly Flicker
33% of 3 decks +28% synergy
Muddle the Mixture
33% of 3 decks +28% synergy
Fact or Fiction
33% of 3 decks +27% synergy
Frantic Search
33% of 3 decks +21% synergy
Mana Drain
33% of 3 decks +18% synergy
Brainstorm
33% of 3 decks +12% synergy
Sorceries
Over the Edge
100% of 1 decks +99% synergy
Rise of the Witch-king
100% of 1 decks +94% synergy
Explore
100% of 1 decks +91% synergy
Skyshroud Claim
100% of 1 decks +91% synergy
Kodama's Reach
100% of 1 decks +69% synergy
Nature's Lore
100% of 1 decks +68% synergy
Farseek
100% of 1 decks +66% synergy
Cultivate
100% of 1 decks +54% synergy
Syphon Mind
33% of 3 decks +30% synergy
In Garruk's Wake
33% of 3 decks +30% synergy
Rise of the Dark Realms
33% of 3 decks +30% synergy
Dread Return
33% of 3 decks +28% synergy
Buried Alive
33% of 3 decks +28% synergy
Diabolic Intent
33% of 3 decks +25% synergy
Windfall
33% of 3 decks +20% synergy
Reanimate
33% of 3 decks +18% synergy
Utility Artifacts
Dross Skullbomb
50% of 2 decks +50% synergy
Bubbling Cauldron
33% of 3 decks +33% synergy
Soul Foundry
33% of 3 decks +33% synergy
Convergence of Dominion
33% of 3 decks +33% synergy
Prototype Portal
33% of 3 decks +33% synergy
Culling Dais
33% of 3 decks +33% synergy
Armillary Sphere
33% of 3 decks +33% synergy
Liquimetal Coating
33% of 3 decks +33% synergy
Pact Weapon
33% of 3 decks +33% synergy
Executioner's Capsule
33% of 3 decks +33% synergy
Navigation Orb
33% of 3 decks +33% synergy
Trading Post
33% of 3 decks +32% synergy
Aether Spellbomb
33% of 3 decks +32% synergy
Rings of Brighthearth
33% of 3 decks +32% synergy
Ichor Wellspring
33% of 3 decks +32% synergy
Crucible of Worlds
33% of 3 decks +31% synergy
Time Sieve
33% of 3 decks +30% synergy
Hedron Archive
33% of 3 decks +30% synergy
Ashnod's Altar
33% of 3 decks +26% 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
Spelunking
100% of 1 decks +95% synergy
Kenrith's Transformation
100% of 1 decks +94% synergy
Goblin Bombardment
100% of 1 decks +94% synergy
Teferi's Veil
33% of 3 decks +33% synergy
Confounding Conundrum
33% of 3 decks +33% synergy
Retreat to Hagra
33% of 3 decks +32% synergy
No Mercy
33% of 3 decks +31% synergy
Agent of the Iron Throne
33% of 3 decks +31% synergy
Bastion of Remembrance
33% of 3 decks +27% synergy
Planeswalkers
Daretti, Scrap Savant
100% of 1 decks +98% synergy
Utility Lands
Restless Vinestalk
100% of 1 decks +97% synergy
Bojuka Bog
67% of 3 decks +36% synergy
Pit of Offerings
50% of 2 decks +49% synergy
Endless Sands
33% of 3 decks +33% synergy
Cryptic Caves
33% of 3 decks +33% synergy
Ghost Quarter
33% of 3 decks +31% synergy
Thespian's Stage
33% of 3 decks +31% synergy
Lonely Sandbar
33% of 3 decks +30% synergy
Barren Moor
33% of 3 decks +30% synergy
Mortuary Mire
33% of 3 decks +28% synergy
Temple of the False God
33% of 3 decks +24% synergy
Mystic Sanctuary
33% of 3 decks +21% synergy
Reliquary Tower
33% of 3 decks +4% synergy
Mana Artifacts
Talisman of Resilience
100% of 1 decks +88% synergy
Sol Ring
100% of 3 decks +16% synergy
Mind Stone
67% of 3 decks +49% synergy
Talisman of Dominance
67% of 3 decks +35% synergy
Hierophant's Chalice
33% of 3 decks +33% synergy
Gilded Lotus
33% of 3 decks +30% synergy
Everflowing Chalice
33% of 3 decks +29% synergy
Thought Vessel
33% of 3 decks +16% synergy
Fellwar Stone
33% of 3 decks +12% synergy
Dimir Signet
33% of 3 decks +4% synergy
Arcane Signet
33% of 3 decks -39% synergy
Lands
Temple of Malady
100% of 1 decks +84% synergy
Temple of Mystery
100% of 1 decks +83% synergy
Golgari Rot Farm
100% of 1 decks +82% synergy
Simic Growth Chamber
100% of 1 decks +80% synergy
Llanowar Wastes
100% of 1 decks +74% synergy
Opulent Palace
100% of 1 decks +73% synergy
Hinterland Harbor
100% of 1 decks +73% synergy
Woodland Cemetery
100% of 1 decks +72% synergy
Crumbling Necropolis
100% of 1 decks +69% synergy
Command Tower
100% of 3 decks +26% synergy
Sunken Hollow
67% of 3 decks +32% synergy
Exotic Orchard
67% of 3 decks +31% synergy
Obscura Storefront
33% of 3 decks +32% synergy
Maestros Theater
33% of 3 decks +32% synergy
Terramorphic Expanse
33% of 3 decks +18% synergy
Temple of Deceit
33% of 3 decks +17% synergy
Dimir Aqueduct
33% of 3 decks +16% synergy
Myriad Landscape
33% of 3 decks +14% synergy
Evolving Wilds
33% of 3 decks +12% synergy
Morphic Pool
33% of 3 decks +7% synergy
Watery Grave
33% of 3 decks -7% synergy