Cauldron Familiar + Witch's Oven + Intruder Alarm + Karn, Silver Golem
Cauldron Familiar
Witch's Oven
Intruder Alarm
Karn, Silver Golem
Requires
Cauldron Familiar must be on the battlefield.
Witch's Oven must be on the battlefield.
Intruder Alarm must be on the battlefield.
Karn, Silver Golem must be on the battlefield.
Witch's Oven does not have summoning sickness.
Mana needed: 
Steps
- Activate Karn by paying , causing Witch's Oven to become an artifact creature until end of turn.
- Activate Witch's Oven by tapping it and sacrificing Cauldron Familiar, creating a Food token.
- Activate Cauldron Familiar by sacrificing a Food token, returning it from your graveyard to the battlefield.
- Cauldron Familar enters the battlefield, triggering Intruder Alarm, untapping all creatures.
- Repeat from step 2.
Results
Infinite death triggers. Infinite ETB. Infinite LTB. Infinite mana creatures you control can produce. Infinite sacrifice triggers. Infinite untap of all creatures.
Horde of Notions
0.04% of 2488 decks
1 decks
Ashad, the Lone Cyberman
0.08% of 1211 decks
1 decks
Sydri, Galvanic Genius
0.05% of 2176 decks
1 decks
Creatures
Cavalier of Thorns
100% of 1 decks
+100% synergy
Creeping Trailblazer
100% of 1 decks
+100% synergy
Composite Golem
100% of 1 decks
+99% synergy
Foundation Breaker
100% of 1 decks
+99% synergy
Parcelbeast
100% of 1 decks
+98% synergy
Evercoat Ursine
100% of 1 decks
+98% synergy
Phylath, World Sculptor
100% of 1 decks
+98% synergy
Fecund Greenshell
100% of 1 decks
+97% synergy
Bane of Progress
100% of 1 decks
+97% synergy
Omnath, Locus of Creation
100% of 1 decks
+97% synergy
Omnath, Locus of the Roil
100% of 1 decks
+97% synergy
Risen Reef
100% of 1 decks
+97% synergy
Yarok, the Desecrated
100% of 1 decks
+97% synergy
Omnath, Locus of All
100% of 1 decks
+97% synergy
Nyxbloom Ancient
100% of 1 decks
+96% synergy
Animar, Soul of Elements
100% of 1 decks
+96% synergy
Omnath, Locus of Rage
100% of 1 decks
+95% synergy
Realmwalker
100% of 1 decks
+94% synergy
Muldrotha, the Gravetide
100% of 1 decks
+94% synergy
Jegantha, the Wellspring
100% of 1 decks
+94% synergy
Maelstrom Wanderer
100% of 1 decks
+94% synergy
Avenger of Zendikar
100% of 1 decks
+91% synergy
Arsenal Thresher
50% of 2 decks
+50% synergy
Warchanter Skald
50% of 2 decks
+50% synergy
Sage of the Unknowable
50% of 2 decks
+50% synergy
Blood Aspirant
50% of 2 decks
+50% synergy
Incandescent Soulstoke
50% of 2 decks
+50% synergy
Havoc Jester
50% of 2 decks
+50% synergy
Smokebraider
50% of 2 decks
+50% synergy
Flamekin Harbinger
50% of 2 decks
+50% synergy
Ingot Chewer
50% of 2 decks
+50% synergy
Body Dropper
50% of 2 decks
+49% synergy
Beza, the Bounding Spring
50% of 2 decks
+48% synergy
Urza, Chief Artificer
50% of 2 decks
+48% synergy
Hanna, Ship's Navigator
50% of 2 decks
+48% synergy
Ethersworn Adjudicator
50% of 2 decks
+48% synergy
Ojer Axonil, Deepest Might
50% of 2 decks
+47% synergy
Maha, Its Feathers Night
50% of 2 decks
+47% synergy
Urza, Prince of Kroog
50% of 2 decks
+47% synergy
Gold Myr
50% of 2 decks
+47% synergy
Losheel, Clockwork Scholar
50% of 2 decks
+47% synergy
Rottenmouth Viper
50% of 2 decks
+47% synergy
Xorn
50% of 2 decks
+46% synergy
Juri, Master of the Revue
50% of 2 decks
+46% synergy
The Locust God
50% of 2 decks
+45% synergy
Gixian Infiltrator
33% of 3 decks
+33% synergy
Voltaic Construct
33% of 3 decks
+33% synergy
Workshop Elders
33% of 3 decks
+33% synergy
Kels, Fight Fixer
33% of 3 decks
+33% synergy
Muzzio, Visionary Architect
33% of 3 decks
+33% synergy
Instants
Sultai Charm
100% of 1 decks
+95% synergy
Harrow
100% of 1 decks
+90% synergy
Eladamri's Call
100% of 1 decks
+89% synergy
Growth Spiral
100% of 1 decks
+78% synergy
Roar of the Kha
50% of 2 decks
+50% synergy
Unbreakable Formation
50% of 2 decks
+43% synergy
Anguished Unmaking
50% of 2 decks
+26% synergy
Path to Exile
50% of 2 decks
+4% synergy
Swords to Plowshares
50% of 2 decks
-13% synergy
Blinkmoth Infusion
33% of 3 decks
+33% synergy
Dream's Grip
33% of 3 decks
+33% synergy
Twiddle
33% of 3 decks
+33% synergy
Turnabout
33% of 3 decks
+32% synergy
Culling the Weak
33% of 3 decks
+30% synergy
Dramatic Reversal
33% of 3 decks
+28% synergy
Vampiric Tutor
33% of 3 decks
+15% synergy
Negate
33% of 3 decks
+11% synergy
Counterspell
33% of 3 decks
-10% synergy
Sorceries
Explosive Vegetation
100% of 1 decks
+97% synergy
Ruinous Ultimatum
100% of 1 decks
+82% synergy
Farseek
100% of 1 decks
+66% synergy
Dance of the Manse
50% of 2 decks
+46% synergy
Vindicate
50% of 2 decks
+43% synergy
Austere Command
50% of 2 decks
+37% synergy
Farewell
50% of 2 decks
+37% synergy
Supreme Verdict
50% of 2 decks
+36% synergy
Blasphemous Act
50% of 2 decks
+16% synergy
Infernal Tutor
33% of 3 decks
+33% synergy
Thoughtcast
33% of 3 decks
+30% synergy
Beseech the Mirror
33% of 3 decks
+29% synergy
Grim Tutor
33% of 3 decks
+29% synergy
Diabolic Intent
33% of 3 decks
+25% synergy
Demonic Tutor
33% of 3 decks
+11% synergy
Utility Artifacts
Isochron Scepter
67% of 3 decks
+64% synergy
Phyrexian Altar
67% of 3 decks
+63% synergy
Ashnod's Altar
67% of 3 decks
+59% synergy
Immovable Rod
50% of 2 decks
+50% synergy
Rolling Hamsphere
50% of 2 decks
+49% synergy
The Blackstaff of Waterdeep
33% of 3 decks
+33% synergy
Thran Temporal Gateway
33% of 3 decks
+33% synergy
Navigation Orb
33% of 3 decks
+33% synergy
Tamiyo's Journal
33% of 3 decks
+33% synergy
Voltaic Key
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
Crawlspace
33% of 3 decks
+32% synergy
Vedalken Orrery
33% of 3 decks
+32% synergy
Unwinding Clock
33% of 3 decks
+31% synergy
Altar of Dementia
33% of 3 decks
+31% synergy
Maskwood Nexus
33% of 3 decks
+31% synergy
Aetherflux Reservoir
33% of 3 decks
+30% synergy
Lightning Greaves
33% of 3 decks
+8% synergy
Enchantments
Laid to Rest
100% of 1 decks
+100% synergy
Leyline Immersion
100% of 1 decks
+99% synergy
Zendikar's Roil
100% of 1 decks
+97% synergy
Sinstriker's Will
50% of 2 decks
+50% synergy
Warstorm Surge
50% of 2 decks
+45% synergy
Smothering Tithe
50% of 2 decks
+25% synergy
Animate Artifact
33% of 3 decks
+33% synergy
March of the Machines
33% of 3 decks
+33% synergy
Conspiracy
33% of 3 decks
+33% synergy
Arcane Adaptation
33% of 3 decks
+32% synergy
Efficient Construction
33% of 3 decks
+32% synergy
Freed from the Real
33% of 3 decks
+31% synergy
Thopter Spy Network
33% of 3 decks
+30% synergy
Grave Pact
33% of 3 decks
+29% synergy
The Meathook Massacre
33% of 3 decks
+28% synergy
Reflections of Littjara
33% of 3 decks
+28% synergy
Bastion of Remembrance
33% of 3 decks
+27% synergy
Planeswalkers
Daretti, Ingenious Iconoclast
50% of 2 decks
+49% synergy
Dakkon, Shadow Slayer
50% of 2 decks
+48% synergy
Tezzeret, Agent of Bolas
33% of 3 decks
+33% synergy
Tezzeret, Artifice Master
33% of 3 decks
+32% synergy
Karn, the Great Creator
33% of 3 decks
+32% synergy
Liliana, Dreadhorde General
33% of 3 decks
+30% synergy
Utility Lands
Argoth, Sanctum of Nature
100% of 1 decks
+98% synergy
Shifting Woodland
100% of 1 decks
+90% synergy
Flamekin Village
50% of 2 decks
+49% synergy
Foundry of the Consuls
33% of 3 decks
+33% synergy
Maze's End
33% of 3 decks
+33% synergy
Basilisk Gate
33% of 3 decks
+33% synergy
Tomb of the Spirit Dragon
33% of 3 decks
+32% synergy
Cascading Cataracts
33% of 3 decks
+32% synergy
Field of the Dead
33% of 3 decks
+30% synergy
Vault of Whispers
33% of 3 decks
+29% synergy
Seat of the Synod
33% of 3 decks
+27% synergy
Temple of the False God
33% of 3 decks
+24% synergy
Urborg, Tomb of Yawgmoth
33% of 3 decks
+24% synergy
Reliquary Tower
33% of 3 decks
+4% synergy
Mana Artifacts
Arcane Signet
100% of 3 decks
+28% synergy
Sol Ring
100% of 3 decks
+16% synergy
Dimir Signet
67% of 3 decks
+37% synergy
Veinfire Borderpost
50% of 2 decks
+50% synergy
Azorius Cluestone
50% of 2 decks
+49% synergy
Orzhov Cluestone
50% of 2 decks
+49% synergy
Obelisk of Esper
50% of 2 decks
+49% synergy
Obelisk of Grixis
50% of 2 decks
+49% synergy
Crystal Skull, Isu Spyglass
50% of 2 decks
+46% synergy
Relic of Sauron
50% of 2 decks
+39% synergy
Izzet Signet
50% of 2 decks
+22% synergy
Rakdos Signet
50% of 2 decks
+20% synergy
Darksteel Ingot
33% of 3 decks
+32% synergy
Chromatic Orrery
33% of 3 decks
+32% synergy
Misleading Signpost
33% of 3 decks
+32% synergy
Worn Powerstone
33% of 3 decks
+31% synergy
Gilded Lotus
33% of 3 decks
+30% synergy
Thran Dynamo
33% of 3 decks
+29% synergy
Chromatic Lantern
33% of 3 decks
+24% synergy
Commander's Sphere
33% of 3 decks
+18% synergy
Thought Vessel
33% of 3 decks
+16% synergy
Fellwar Stone
33% of 3 decks
+12% synergy
Lands
Evolving Wilds
100% of 3 decks
+79% synergy
Zagoth Triome
100% of 1 decks
+69% synergy
Indatha Triome
100% of 1 decks
+69% synergy
Spara's Headquarters
100% of 1 decks
+68% synergy
Ketria Triome
100% of 1 decks
+67% synergy
Jetmir's Garden
100% of 1 decks
+67% synergy
The World Tree
100% of 1 decks
+67% synergy
Temple Garden
100% of 1 decks
+60% synergy
Breeding Pool
100% of 1 decks
+59% synergy
Stomping Ground
100% of 1 decks
+59% synergy
Overgrown Tomb
100% of 1 decks
+58% synergy
Command Tower
100% of 3 decks
+26% synergy
Thriving Bluff
50% of 2 decks
+48% synergy
Graven Cairns
50% of 2 decks
+42% synergy
Cascade Bluffs
50% of 2 decks
+38% synergy
Haunted Ridge
50% of 2 decks
+34% synergy
Stormcarved Coast
50% of 2 decks
+32% synergy
Luxury Suite
50% of 2 decks
+24% synergy
Xander's Lounge
50% of 2 decks
+23% synergy
Training Center
50% of 2 decks
+23% synergy
Arcane Sanctum
50% of 2 decks
+22% synergy
Blood Crypt
50% of 2 decks
+11% synergy
Steam Vents
50% of 2 decks
+11% synergy
Primal Beyond
33% of 3 decks
+33% synergy
Bad River
33% of 3 decks
+33% synergy
Esper Panorama
33% of 3 decks
+33% synergy
Rocky Tar Pit
33% of 3 decks
+33% synergy
Thriving Moor
33% of 3 decks
+31% synergy
Thriving Isle
33% of 3 decks
+31% synergy
Secluded Courtyard
33% of 3 decks
+29% synergy
Sunken Ruins
33% of 3 decks
+29% synergy
Mistvault Bridge
33% of 3 decks
+29% synergy
Unclaimed Territory
33% of 3 decks
+28% synergy
Reflecting Pool
33% of 3 decks
+28% synergy
Bloodstained Mire
33% of 3 decks
+23% synergy
Scalding Tarn
33% of 3 decks
+22% synergy
Polluted Delta
33% of 3 decks
+22% synergy
Misty Rainforest
33% of 3 decks
+22% synergy
Darkwater Catacombs
33% of 3 decks
+18% synergy
Terramorphic Expanse
33% of 3 decks
+18% synergy
Temple of Deceit
33% of 3 decks
+17% synergy
Shipwreck Marsh
33% of 3 decks
+14% synergy
Myriad Landscape
33% of 3 decks
+14% synergy
Path of Ancestry
33% of 3 decks
+12% synergy
Morphic Pool
33% of 3 decks
+7% synergy
Exotic Orchard
33% of 3 decks
-2% synergy
Watery Grave
33% of 3 decks
-7% synergy