Cauldron Familiar + Witch's Oven + Intruder Alarm + Karn, the Great Creator

Cauldron Familiar
Witch's Oven
Intruder Alarm
Karn, the Great Creator

Requires
Cauldron Familiar must be on the battlefield. Witch's Oven must be on the battlefield. Intruder Alarm must be on the battlefield. Karn, the Great Creator must be on the battlefield. Witch's Oven does not have summoning sickness.
Steps
  1. Activate Karn's first ability by putting a loyalty counter on it, causing Witch's Oven to become an artifact creature until end of turn.
  2. Activate Witch's Oven by tapping it and sacrificing Cauldron Familiar, creating a Food token.
  3. Activate Cauldron Familiar by sacrificing a Food token, returning it from your graveyard to the battlefield.
  4. Cauldron Familar enters the battlefield, triggering Intruder Alarm, untapping all creatures.
  5. 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.

Ashad, the Lone Cyberman
0.17% of 1157 decks 2 decks
Ashnod the Uncaring
0.07% of 2943 decks 2 decks
Sydri, Galvanic Genius
0.05% of 2180 decks 1 decks
Tivit, Seller of Secrets
0.01% of 11500 decks 1 decks
High Synergy Cards
Academy Manufactor
83% of 6 decks +79% synergy
Phyrexian Altar
83% of 6 decks +79% synergy
Ashnod's Altar
67% of 6 decks +59% synergy
Creatures
Iridescent Vinelasher
100% of 1 decks +97% synergy
Crime Novelist
100% of 2 decks +96% synergy
Goblin Engineer
75% of 4 decks +71% synergy
Mayhem Devil
75% of 4 decks +65% synergy
Bartered Cow
50% of 2 decks +50% synergy
Spirit of the Hearth
50% of 2 decks +50% synergy
Corridor Monitor
50% of 6 decks +50% synergy
Bygone Bishop
50% of 2 decks +49% synergy
Whisper, Blood Liturgist
50% of 6 decks +49% synergy
Drogskol Captain
50% of 2 decks +49% synergy
Teysa, Envoy of Ghosts
50% of 2 decks +49% synergy
Inquisitor Greyfax
50% of 2 decks +48% synergy
Eldrazi Displacer
50% of 2 decks +48% synergy
Marneus Calgar
50% of 2 decks +48% synergy
Emeria Shepherd
50% of 2 decks +48% synergy
Thalisse, Reverent Medium
50% of 2 decks +47% synergy
Recruiter of the Guard
50% of 2 decks +47% synergy
Lavinia, Azorius Renegade
50% of 2 decks +47% synergy
Heliod, Sun-Crowned
50% of 2 decks +47% synergy
Windborn Muse
50% of 2 decks +46% synergy
Enthusiastic Mechanaut
50% of 4 decks +46% synergy
Karmic Guide
50% of 2 decks +45% synergy
Teysa Karlov
50% of 2 decks +45% synergy
Corpse Knight
50% of 2 decks +44% synergy
Anger
50% of 4 decks +44% synergy
Pitiless Plunderer
50% of 6 decks +42% synergy
Grand Abolisher
50% of 2 decks +41% synergy
Esper Sentinel
50% of 2 decks +29% synergy
Thopter Assembly
33% of 6 decks +33% synergy
Junk Diver
33% of 6 decks +33% synergy
Apprentice Necromancer
33% of 6 decks +32% synergy
Feral Ghoul
33% of 3 decks +32% synergy
Scrap Trawler
33% of 6 decks +31% synergy
Myr Retriever
33% of 6 decks +31% synergy
Priest of Forgotten Gods
33% of 6 decks +31% synergy
Disciple of the Vault
33% of 6 decks +31% synergy
Walking Ballista
33% of 6 decks +31% synergy
Ojer Axonil, Deepest Might
33% of 3 decks +31% synergy
Sai, Master Thopterist
33% of 6 decks +30% synergy
Marionette Master
33% of 6 decks +30% synergy
Reassembling Skeleton
33% of 6 decks +30% synergy
Emry, Lurker of the Loch
33% of 6 decks +29% synergy
Foundry Inspector
33% of 6 decks +29% synergy
Etherium Sculptor
33% of 6 decks +28% synergy
Braids, Arisen Nightmare
33% of 6 decks +26% synergy
Blood Aspirant
25% of 4 decks +25% synergy
Asmoranomardicadaistinaculdacar
25% of 4 decks +25% synergy
Havoc Jester
25% of 4 decks +25% synergy
Farid, Enterprising Salvager
25% of 4 decks +25% synergy
Body Dropper
25% of 4 decks +24% synergy
Instants
Reprieve
100% of 1 decks +95% synergy
Expel
50% of 2 decks +50% synergy
Invoke the Divine
50% of 2 decks +49% synergy
Crush Contraband
50% of 2 decks +48% synergy
Mana Tithe
50% of 2 decks +48% synergy
Disorder in the Court
50% of 2 decks +48% synergy
Render Silent
50% of 2 decks +47% synergy
Whir of Invention
50% of 6 decks +47% synergy
Silence
50% of 2 decks +44% synergy
Strix Serenade
50% of 2 decks +43% synergy
Enlightened Tutor
50% of 2 decks +32% synergy
Dovin's Veto
50% of 2 decks +31% synergy
Teferi's Protection
50% of 2 decks +30% synergy
Path to Exile
50% of 2 decks +5% synergy
Swords to Plowshares
50% of 2 decks -13% synergy
Dramatic Reversal
33% of 6 decks +28% synergy
Vampiric Tutor
33% of 6 decks +15% synergy
Thrill of Possibility
25% of 4 decks +15% synergy
Abrade
25% of 4 decks +14% synergy
Geistlight Snare
17% of 6 decks +17% synergy
Blinkmoth Infusion
17% of 6 decks +17% synergy
Dream's Grip
17% of 6 decks +16% synergy
Confirm Suspicions
17% of 6 decks +16% synergy
Twiddle
17% of 6 decks +16% synergy
Mausoleum Secrets
17% of 6 decks +16% synergy
Daze
17% of 6 decks +16% synergy
Turnabout
17% of 6 decks +16% synergy
Perplex
17% of 6 decks +15% synergy
Miscast
17% of 6 decks +14% synergy
Culling the Weak
17% of 6 decks +13% synergy
Spell Pierce
17% of 6 decks +13% synergy
Muddle the Mixture
17% of 6 decks +12% synergy
Mental Misstep
17% of 6 decks +11% synergy
Entomb
17% of 6 decks +9% synergy
Pact of Negation
17% of 6 decks +9% synergy
Deadly Rollick
17% of 6 decks +6% synergy
Force of Will
17% of 6 decks +6% synergy
Mystical Tutor
17% of 6 decks +2% synergy
Swan Song
17% of 6 decks +0% synergy
Fierce Guardianship
17% of 6 decks -1% synergy
An Offer You Can't Refuse
17% of 6 decks -4% synergy
Brainstorm
17% of 6 decks -5% synergy
Cyclonic Rift
17% of 6 decks -11% synergy
Counterspell
17% of 6 decks -26% synergy
Sorceries
Kirtar's Wrath
50% of 2 decks +50% synergy
Bond of Discipline
50% of 2 decks +49% synergy
Storm of Souls
50% of 2 decks +49% synergy
Fabricate
50% of 6 decks +44% synergy
Grim Tutor
33% of 6 decks +29% synergy
Diabolic Intent
33% of 6 decks +25% synergy
Demonic Tutor
33% of 6 decks +11% synergy
Beseech the Mirror
25% of 4 decks +21% synergy
Gamble
25% of 4 decks +15% synergy
Vandalblast
25% of 4 decks +9% synergy
Faithless Looting
25% of 4 decks +8% synergy
Terisiare's Devastation
20% of 5 decks +19% synergy
Infernal Tutor
17% of 6 decks +17% synergy
Eaten Alive
17% of 6 decks +16% synergy
Transmute Artifact
17% of 6 decks +16% synergy
Flood of Tears
17% of 6 decks +15% synergy
Reshape
17% of 6 decks +15% synergy
Persist
17% of 6 decks +14% synergy
Unmarked Grave
17% of 6 decks +14% synergy
Thoughtcast
17% of 6 decks +13% synergy
Unearth
17% of 6 decks +13% synergy
Buried Alive
17% of 6 decks +11% synergy
Imperial Seal
17% of 6 decks +11% synergy
Gitaxian Probe
17% of 6 decks +11% synergy
Ponder
17% of 6 decks +4% synergy
Reanimate
17% of 6 decks +1% synergy
Utility Artifacts
Esoteric Duplicator
50% of 2 decks +49% synergy
Clock of Omens
50% of 6 decks +49% synergy
Time Sieve
50% of 6 decks +47% synergy
Executioner's Capsule
33% of 6 decks +33% synergy
Mirrorworks
33% of 6 decks +33% synergy
Krark-Clan Ironworks
33% of 6 decks +32% synergy
Nuka-Cola Vending Machine
33% of 3 decks +32% synergy
Mishra's Bauble
33% of 6 decks +32% synergy
Aether Spellbomb
33% of 6 decks +32% synergy
Moonsilver Key
33% of 6 decks +32% synergy
Isochron Scepter
33% of 6 decks +31% synergy
Mystic Forge
33% of 6 decks +30% synergy
Aetherflux Reservoir
33% of 6 decks +30% synergy
Sensei's Divining Top
33% of 6 decks +28% synergy
Bolas's Citadel
33% of 6 decks +24% synergy
Lightning Greaves
33% of 6 decks +8% synergy
Experimental Synthesizer
25% of 4 decks +25% synergy
Pyrite Spellbomb
25% of 4 decks +25% synergy
Oni-Cult Anvil
25% of 4 decks +23% synergy
Encroaching Mycosynth
20% of 5 decks +19% synergy
Portal to Phyrexia
20% of 5 decks +18% synergy
Sword of the Meek
17% of 6 decks +16% synergy
The Underworld Cookbook
17% of 6 decks +16% synergy
Servo Schematic
17% of 6 decks +16% synergy
Mindslaver
17% of 6 decks +16% synergy
Pyre of Heroes
17% of 6 decks +16% synergy
Welding Jar
17% of 6 decks +16% synergy
Tamiyo's Journal
17% of 6 decks +16% synergy
Mycosynth Lattice
17% of 6 decks +16% synergy
Mycosynth Wellspring
17% of 6 decks +16% synergy
Voltaic Key
17% of 6 decks +16% synergy
Nihil Spellbomb
17% of 6 decks +16% synergy
Tormod's Crypt
17% of 6 decks +16% synergy
Darksteel Forge
17% of 6 decks +15% synergy
Lithoform Engine
17% of 6 decks +15% synergy
Rings of Brighthearth
17% of 6 decks +15% synergy
Ichor Wellspring
17% of 6 decks +15% synergy
Imposter Mech
17% of 6 decks +15% synergy
Cloud Key
17% of 6 decks +15% synergy
Thousand-Year Elixir
17% of 6 decks +14% synergy
Sculpting Steel
17% of 6 decks +14% synergy
Unwinding Clock
17% of 6 decks +14% synergy
Panharmonicon
17% of 6 decks +13% synergy
Wishclaw Talisman
17% of 6 decks +11% synergy
Wayfarer's Bauble
17% of 6 decks +6% synergy
Skullclamp
17% of 6 decks +4% synergy
Swiftfoot Boots
17% of 6 decks -11% synergy
Enchantments
Search the Premises
50% of 2 decks +49% synergy
Thorough Investigation
50% of 2 decks +49% synergy
Life Insurance
50% of 2 decks +48% synergy
Smothering Tithe
50% of 2 decks +25% synergy
Mirrodin Besieged
33% of 6 decks +31% synergy
Mystic Remora
33% of 6 decks +15% synergy
Storm the Vault
25% of 4 decks +22% synergy
Animate Artifact
17% of 6 decks +17% synergy
Betrayal
17% of 6 decks +17% synergy
Breath of the Sleepless
17% of 6 decks +16% synergy
Opposition
17% of 6 decks +16% synergy
Verity Circle
17% of 6 decks +16% synergy
Arcane Adaptation
17% of 6 decks +15% synergy
Efficient Construction
17% of 6 decks +15% synergy
Biotransference
17% of 6 decks +15% synergy
Paradox Haze
17% of 6 decks +15% synergy
Agent of the Iron Throne
17% of 6 decks +14% synergy
Revel in Riches
17% of 6 decks +13% synergy
Grave Pact
17% of 6 decks +12% synergy
The Meathook Massacre
17% of 6 decks +12% synergy
Bastion of Remembrance
17% of 6 decks +10% synergy
Rhystic Study
17% of 6 decks -11% synergy
Planeswalkers
Kaya, Geist Hunter
50% of 2 decks +48% synergy
Narset, Parter of Veils
33% of 6 decks +28% synergy
Daretti, Ingenious Iconoclast
25% of 4 decks +24% synergy
Daretti, Scrap Savant
25% of 4 decks +22% synergy
Tamiyo, the Moon Sage
17% of 6 decks +16% synergy
Tezzeret, Master of the Bridge
17% of 6 decks +14% synergy
Tezzeret the Seeker
17% of 6 decks +14% synergy
Liliana, Dreadhorde General
17% of 6 decks +13% synergy
Utility Lands
Monumental Henge
100% of 1 decks +96% synergy
Archway of Innovation
100% of 1 decks +95% synergy
Fomori Vault
50% of 2 decks +48% synergy
Great Furnace
50% of 4 decks +44% synergy
Urza's Saga
50% of 6 decks +43% synergy
Inventors' Fair
33% of 6 decks +29% synergy
Darksteel Citadel
33% of 6 decks +29% synergy
Vault of Whispers
33% of 6 decks +29% synergy
Academy Ruins
33% of 6 decks +28% synergy
Buried Ruin
33% of 6 decks +28% synergy
Seat of the Synod
33% of 6 decks +27% synergy
Reliquary Tower
33% of 6 decks +4% synergy
Interplanar Beacon
17% of 6 decks +16% synergy
Treasure Vault
17% of 6 decks +14% synergy
Witch's Cottage
17% of 6 decks +13% synergy
Urborg, Tomb of Yawgmoth
17% of 6 decks +7% synergy
Cabal Coffers
17% of 6 decks +6% synergy
Bojuka Bog
17% of 6 decks -14% synergy
Mana Artifacts
Arcane Signet
83% of 6 decks +11% synergy
Rakdos Signet
75% of 4 decks +45% synergy
Sol Ring
67% of 6 decks -18% synergy
Izzet Signet
50% of 4 decks +22% synergy
Dimir Signet
50% of 6 decks +20% synergy
Relic of Sauron
33% of 3 decks +22% synergy
Mind Stone
33% of 6 decks +16% synergy
Fellwar Stone
33% of 6 decks +12% synergy
Veinfire Borderpost
25% of 4 decks +25% synergy
Obelisk of Grixis
25% of 4 decks +24% synergy
Misleading Signpost
25% of 4 decks +23% synergy
Talisman of Indulgence
25% of 4 decks -1% synergy
Talisman of Creativity
25% of 4 decks -4% synergy
Chromatic Orrery
17% of 6 decks +15% synergy
Grim Monolith
17% of 6 decks +15% synergy
Caged Sun
17% of 6 decks +14% synergy
Basalt Monolith
17% of 6 decks +14% synergy
Hedron Archive
17% of 6 decks +14% synergy
Mox Diamond
17% of 6 decks +12% synergy
Mox Opal
17% of 6 decks +12% synergy
Decanter of Endless Water
17% of 6 decks +12% synergy
Chrome Mox
17% of 6 decks +10% synergy
Mana Vault
17% of 6 decks +10% synergy
Lotus Petal
17% of 6 decks +10% synergy
Commander's Sphere
17% of 6 decks +1% synergy
Talisman of Dominance
17% of 6 decks -15% synergy
Lands
Meticulous Archive
100% of 1 decks +90% synergy
Raucous Theater
100% of 1 decks +87% synergy
Shadowy Backstreet
100% of 1 decks +87% synergy
Arcane Sanctum
100% of 2 decks +72% synergy
Blood Crypt
100% of 4 decks +61% synergy
Steam Vents
100% of 4 decks +61% synergy
Watery Grave
83% of 6 decks +42% synergy
Command Tower
83% of 6 decks +9% synergy
Luxury Suite
75% of 4 decks +49% synergy
Xander's Lounge
75% of 4 decks +47% synergy
Bloodstained Mire
67% of 6 decks +56% synergy
Polluted Delta
67% of 6 decks +55% synergy
Morphic Pool
67% of 6 decks +40% synergy
Drossforge Bridge
50% of 4 decks +46% synergy
Silverbluff Bridge
50% of 4 decks +44% synergy
Tranquil Cove
50% of 2 decks +43% synergy
Scoured Barrens
50% of 2 decks +41% synergy
Scalding Tarn
50% of 6 decks +39% synergy
Skycloud Expanse
50% of 2 decks +37% synergy
Scrubland
50% of 2 decks +36% synergy
Tundra
50% of 2 decks +36% synergy
Port Town
50% of 2 decks +34% synergy
Vault of Champions
50% of 2 decks +24% synergy
Sea of Clouds
50% of 2 decks +24% synergy
Training Center
50% of 4 decks +22% synergy
Dragonskull Summit
50% of 4 decks +19% synergy
Godless Shrine
50% of 2 decks +9% synergy
Hallowed Fountain
50% of 2 decks +9% synergy
Glimmervoid
33% of 6 decks +33% synergy
Spire of Industry
33% of 6 decks +30% synergy
Mistvault Bridge
33% of 6 decks +28% synergy
Reflecting Pool
33% of 6 decks +28% synergy
City of Brass
33% of 6 decks +25% synergy
Undercity Sewers
33% of 3 decks +19% synergy
Underground Sea
33% of 6 decks +19% synergy
Myriad Landscape
33% of 6 decks +14% synergy
Exotic Orchard
33% of 6 decks -2% synergy
Thriving Bluff
25% of 4 decks +23% synergy
Graven Cairns
25% of 4 decks +17% synergy
Riverglide Pathway
25% of 4 decks +16% synergy
Blightstep Pathway
25% of 4 decks +15% synergy
Cascade Bluffs
25% of 4 decks +13% synergy
Badlands
25% of 4 decks +11% synergy
Volcanic Island
25% of 4 decks +11% synergy
Haunted Ridge
25% of 4 decks +9% synergy
Stormcarved Coast
25% of 4 decks +8% synergy
Sulfurous Springs
25% of 4 decks +5% synergy
Shivan Reef
25% of 4 decks -2% synergy
Sulfur Falls
25% of 4 decks -5% synergy
Crumbling Necropolis
25% of 4 decks -6% synergy