Gravespawn Sovereign + Intruder Alarm + Viscera Seer

Gravespawn Sovereign
Intruder Alarm
Viscera Seer

Requires
Gravespawn Sovereign must be on the battlefield. Intruder Alarm must be on the battlefield. Viscera Seer must be on the battlefield. You control at least four other Zombies.
Steps
  1. Activate Viscera Seer by sacrificing itself, causing you to scry 1.
  2. Activate Gravespawn Sovereign by tapping five untapped Zombies you control, returning Viscera Seer from your graveyard to the battlefield.
  3. Viscera Seer enters the battlefield, triggering Intruder Alarm, untapping all creatures.
  4. Repeat.
Results
Infinite death triggers. Infinite ETB. Infinite LTB. Infinite sacrifice triggers. Infinite scry 1. Infinite untap of creatures.

Sidisi, Brood Tyrant
0.05% of 6406 decks 3 decks
Wilhelt, the Rotcleaver
0.01% of 18986 decks 2 decks
Marneus Calgar
0.01% of 10582 decks 1 decks
Phenax, God of Deception
0.02% of 6458 decks 1 decks
Kels, Fight Fixer
0.15% of 679 decks 1 decks
New Cards
Lakeside Shack
100% of 1 decks +98% synergy
Strangled Cemetery
100% of 1 decks +98% synergy
Patchwork Beastie
100% of 1 decks +99% synergy
Fear of Impostors
100% of 1 decks +98% synergy
Say Its Name
100% of 1 decks +100% synergy
High Synergy Cards
Zulaport Cutthroat
75% of 8 decks +65% synergy
Gravecrawler
62% of 8 decks +60% synergy
Carrion Feeder
62% of 8 decks +57% synergy
Dread Return
62% of 8 decks +57% synergy
Cryptbreaker
50% of 8 decks +49% synergy
Fleshbag Marauder
50% of 8 decks +46% synergy
Syr Konrad, the Grim
50% of 8 decks +41% synergy
Gray Merchant of Asphodel
50% of 8 decks +41% synergy
Creatures
Rubblebelt Maverick
100% of 1 decks +100% synergy
Retrofitted Transmogrant
100% of 1 decks +99% synergy
Wayward Servant
100% of 1 decks +99% synergy
God-Eternal Oketra
100% of 1 decks +99% synergy
Luminous Broodmoth
100% of 1 decks +98% synergy
Drowner of Truth
100% of 1 decks +98% synergy
Abhorrent Oculus
100% of 1 decks +97% synergy
Boggart Trawler
100% of 1 decks +95% synergy
Corpse Knight
100% of 1 decks +94% synergy
Hydroelectric Specimen
100% of 1 decks +94% synergy
Disciple of Freyalise
100% of 1 decks +93% synergy
Honest Rutstein
100% of 1 decks +92% synergy
Esper Sentinel
100% of 1 decks +80% synergy
Tangled Florahedron
67% of 3 decks +65% synergy
Timeless Witness
67% of 3 decks +64% synergy
Muldrotha, the Gravetide
67% of 3 decks +60% synergy
Birds of Paradise
67% of 3 decks +40% synergy
Mirkwood Bats
60% of 5 decks +48% synergy
Deeproot Wayfinder
50% of 2 decks +50% synergy
Uurg, Spawn of Turg
50% of 2 decks +49% synergy
Snarling Gorehound
50% of 2 decks +49% synergy
Grim Servant
50% of 2 decks +49% synergy
Psychic Frog
50% of 2 decks +48% synergy
Haywire Mite
50% of 2 decks +46% synergy
Delighted Halfling
50% of 2 decks +36% synergy
Liliana's Standard Bearer
38% of 8 decks +37% synergy
Plague Belcher
38% of 8 decks +37% synergy
Headless Rider
38% of 8 decks +36% synergy
Ghoulcaller Gisa
38% of 8 decks +36% synergy
Wilhelt, the Rotcleaver
38% of 8 decks +36% synergy
Diregraf Colossus
38% of 8 decks +36% synergy
Undead Augur
38% of 8 decks +36% synergy
Gisa and Geralf
38% of 8 decks +36% synergy
Woe Strider
38% of 8 decks +35% synergy
Stitcher's Supplier
38% of 8 decks +35% synergy
Diregraf Captain
38% of 8 decks +34% synergy
Midnight Reaper
38% of 8 decks +34% synergy
Mulldrifter
38% of 8 decks +32% synergy
Boneyard Wurm
33% of 3 decks +33% synergy
Shambling Shell
33% of 3 decks +33% synergy
Storrev, Devkarin Lich
33% of 3 decks +33% synergy
Umori, the Collector
33% of 3 decks +33% synergy
Nullmage Shepherd
33% of 3 decks +33% synergy
Starving Revenant
33% of 3 decks +33% synergy
Beastcaller Savant
33% of 3 decks +32% synergy
Hermit Druid
33% of 3 decks +32% synergy
Copper Myr
33% of 3 decks +32% synergy
Kagha, Shadow Archdruid
33% of 3 decks +32% synergy
Brawn
33% of 3 decks +32% synergy
Satyr Wayfinder
33% of 3 decks +31% synergy
Instants
Break Down the Door
100% of 1 decks +99% synergy
Twist Reality
100% of 1 decks +99% synergy
Royal Treatment
100% of 1 decks +98% synergy
Enlightened Tutor
100% of 1 decks +82% synergy
Swords to Plowshares
100% of 1 decks +37% synergy
Gnaw to the Bone
33% of 3 decks +33% synergy
Fog
33% of 3 decks +30% synergy
Beast Within
33% of 3 decks -5% synergy
Sinister Sabotage
25% of 8 decks +24% synergy
Tragic Slip
25% of 8 decks +21% synergy
Malakir Rebirth
25% of 8 decks +17% synergy
Brainstorm
25% of 8 decks +4% synergy
Counterspell
25% of 8 decks -18% synergy
Black Sun's Twilight
17% of 6 decks +15% synergy
Heartless Act
12% of 8 decks +12% synergy
Curate
12% of 8 decks +12% synergy
Songs of the Damned
12% of 8 decks +11% synergy
Soul Manipulation
12% of 8 decks +11% synergy
Otherworldly Gaze
12% of 8 decks +11% synergy
Lazotep Plating
12% of 8 decks +11% synergy
Supernatural Stamina
12% of 8 decks +11% synergy
Hagra Mauling
12% of 8 decks +10% synergy
Plumb the Forbidden
12% of 8 decks +9% synergy
Murder
12% of 8 decks +9% synergy
Aetherize
12% of 8 decks +7% synergy
Consider
12% of 8 decks +6% synergy
Drown in the Loch
12% of 8 decks +6% synergy
Flusterstorm
12% of 8 decks +5% synergy
Go for the Throat
12% of 8 decks +5% synergy
Entomb
12% of 8 decks +5% synergy
Reality Shift
12% of 8 decks +4% synergy
Deadly Rollick
12% of 8 decks +2% synergy
Frantic Search
12% of 8 decks +0% synergy
Mystical Tutor
12% of 8 decks -2% synergy
Mana Drain
12% of 8 decks -3% synergy
Swan Song
12% of 8 decks -4% synergy
Fierce Guardianship
12% of 8 decks -6% synergy
Vampiric Tutor
12% of 8 decks -6% synergy
An Offer You Can't Refuse
12% of 8 decks -9% synergy
Dark Ritual
12% of 8 decks -10% synergy
Negate
12% of 8 decks -10% synergy
Cyclonic Rift
12% of 8 decks -15% synergy
Sorceries
Under the Skin
100% of 1 decks +99% synergy
Sevinne's Reclamation
100% of 1 decks +93% synergy
Living Death
38% of 8 decks +32% synergy
Spider Spawning
33% of 3 decks +32% synergy
Mythos of Brokkos
33% of 3 decks +32% synergy
Life from the Loam
33% of 3 decks +30% synergy
Bala Ged Recovery
33% of 3 decks +24% synergy
Dark Salvation
25% of 8 decks +24% synergy
Empty the Laboratory
25% of 8 decks +24% synergy
Zombie Apocalypse
25% of 8 decks +24% synergy
Unearth
25% of 8 decks +22% synergy
Buried Alive
25% of 8 decks +19% synergy
Victimize
25% of 8 decks +13% synergy
Feed the Swarm
25% of 8 decks +7% synergy
Bitter Ordeal
12% of 8 decks +12% synergy
Fade Away
12% of 8 decks +12% synergy
Disentomb
12% of 8 decks +12% synergy
Necrotic Hex
12% of 8 decks +12% synergy
Dark Petition
12% of 8 decks +12% synergy
Duress
12% of 8 decks +11% synergy
Yawgmoth's Will
12% of 8 decks +11% synergy
Army of the Damned
12% of 8 decks +10% synergy
Deep Analysis
12% of 8 decks +10% synergy
Persist
12% of 8 decks +10% synergy
Ravenform
12% of 8 decks +10% synergy
Agadeem's Awakening
12% of 8 decks +9% synergy
Curse of the Swine
12% of 8 decks +8% synergy
Grim Tutor
12% of 8 decks +8% synergy
Distant Melody
12% of 8 decks +7% synergy
Diabolic Tutor
12% of 8 decks +6% synergy
Diabolic Intent
12% of 8 decks +4% synergy
Reanimate
12% of 8 decks -3% synergy
Toxic Deluge
12% of 8 decks -5% synergy
Demonic Tutor
12% of 8 decks -10% synergy
Utility Artifacts
Conduit of Worlds
50% of 2 decks +44% synergy
Ashnod's Altar
38% of 8 decks +30% synergy
Skullclamp
38% of 8 decks +25% synergy
Altar of Dementia
25% of 8 decks +22% synergy
Phyrexian Altar
25% of 8 decks +21% synergy
Transmogrant's Crown
17% of 6 decks +16% synergy
Embalmer's Tools
12% of 8 decks +12% synergy
Desecrated Tomb
12% of 8 decks +12% synergy
Neurok Stealthsuit
12% of 8 decks +12% synergy
Thrumming Stone
12% of 8 decks +12% synergy
Altar of the Brood
12% of 8 decks +11% synergy
Moonsilver Key
12% of 8 decks +11% synergy
Mesmeric Orb
12% of 8 decks +11% synergy
Thousand-Year Elixir
12% of 8 decks +10% synergy
Maskwood Nexus
12% of 8 decks +10% synergy
Panharmonicon
12% of 8 decks +8% synergy
Wishclaw Talisman
12% of 8 decks +7% synergy
Herald's Horn
12% of 8 decks +6% synergy
Wayfarer's Bauble
12% of 8 decks +3% synergy
Lightning Greaves
12% of 8 decks -13% synergy
Swiftfoot Boots
12% of 8 decks -15% synergy
Enchantments
Undergrowth Recon
100% of 1 decks +98% synergy
Moldering Gym // Weight Room
100% of 1 decks +97% synergy
Derelict Attic // Widow's Walk
100% of 1 decks +96% synergy
Defiled Crypt // Cadaver Lab
100% of 1 decks +96% synergy
Walk-In Closet // Forgotten Cellar
100% of 1 decks +87% synergy
Smothering Tithe
100% of 1 decks +75% synergy
Rooftop Storm
38% of 8 decks +36% synergy
Bastion of Remembrance
38% of 8 decks +31% synergy
Genesis of the Daleks
33% of 3 decks +33% synergy
Path of Discovery
33% of 3 decks +33% synergy
Cryptolith Rite
33% of 3 decks +30% synergy
Necroduality
25% of 8 decks +24% synergy
Grave Pact
25% of 8 decks +21% synergy
Agent of the Iron Throne
14% of 7 decks +12% synergy
Faces of the Past
12% of 8 decks +12% synergy
Tombstone Stairwell
12% of 8 decks +12% synergy
Greed
12% of 8 decks +10% synergy
Dreadhorde Invasion
12% of 8 decks +10% synergy
Ominous Seas
12% of 8 decks +10% synergy
Black Market
12% of 8 decks +8% synergy
The Meathook Massacre
12% of 8 decks +7% synergy
Reflections of Littjara
12% of 8 decks +7% synergy
Teferi's Ageless Insight
12% of 8 decks +7% synergy
Mystic Remora
12% of 8 decks -5% synergy
Planeswalkers
Liliana, Untouched by Death
38% of 8 decks +37% synergy
Liliana, Death's Majesty
25% of 8 decks +23% synergy
Liliana, Dreadhorde General
12% of 8 decks +9% synergy
Utility Lands
Lumbering Falls
33% of 3 decks +31% synergy
Restless Reef
33% of 3 decks +30% synergy
Dryad Arbor
33% of 3 decks +29% synergy
Gaea's Cradle
33% of 3 decks +28% synergy
Alchemist's Refuge
33% of 3 decks +27% synergy
Boseiju, Who Endures
33% of 3 decks +14% synergy
Crypt of Agadeem
25% of 8 decks +24% synergy
Rogue's Passage
25% of 8 decks +5% synergy
Bojuka Bog
25% of 8 decks -5% synergy
Barad-dûr
20% of 5 decks +17% synergy
Unholy Grotto
12% of 8 decks +12% synergy
Ghost Quarter
12% of 8 decks +10% synergy
Creeping Tar Pit
12% of 8 decks +9% synergy
Field of the Dead
12% of 8 decks +9% synergy
Scavenger Grounds
12% of 8 decks +9% synergy
Witch's Cottage
12% of 8 decks +9% synergy
Mortuary Mire
12% of 8 decks +8% synergy
Castle Locthwain
12% of 8 decks +7% synergy
Phyrexian Tower
12% of 8 decks +4% synergy
Yavimaya, Cradle of Growth
12% of 8 decks +3% synergy
Temple of the False God
12% of 8 decks +3% synergy
Urborg, Tomb of Yawgmoth
12% of 8 decks +3% synergy
Takenuma, Abandoned Mire
12% of 8 decks +2% synergy
Otawara, Soaring City
12% of 8 decks -4% synergy
Reliquary Tower
12% of 8 decks -17% synergy
Mana Artifacts
Talisman of Progress
100% of 1 decks +77% synergy
Talisman of Hierarchy
100% of 1 decks +76% synergy
Arcane Signet
75% of 8 decks +3% synergy
Sol Ring
62% of 8 decks -22% synergy
Dimir Signet
50% of 8 decks +21% synergy
Talisman of Dominance
50% of 8 decks +19% synergy
Commander's Sphere
38% of 8 decks +22% synergy
Crowded Crypt
25% of 8 decks +24% synergy
Liquimetal Torque
25% of 8 decks +21% synergy
Everflowing Chalice
25% of 8 decks +20% synergy
Sky Diamond
25% of 8 decks +20% synergy
Relic of Legends
17% of 6 decks +14% synergy
Decanter of Endless Water
14% of 7 decks +9% synergy
Charcoal Diamond
12% of 8 decks +7% synergy
Thought Vessel
12% of 8 decks -4% synergy
Mind Stone
12% of 8 decks -5% synergy
Fellwar Stone
12% of 8 decks -9% synergy
Lands
Foreboding Landscape
100% of 1 decks +87% synergy
Underground Mortuary
100% of 1 decks +84% synergy
Command Tower
88% of 8 decks +14% synergy
Deathcap Glade
67% of 3 decks +53% synergy
Breeding Pool
67% of 3 decks +26% synergy
Overgrown Tomb
67% of 3 decks +24% synergy
Mirage Mesa
50% of 2 decks +49% synergy
Conduit Pylons
50% of 2 decks +49% synergy
Soured Springs
50% of 2 decks +48% synergy
Exotic Orchard
50% of 8 decks +14% synergy
Tainted Isle
38% of 8 decks +26% synergy
Polluted Delta
38% of 8 decks +26% synergy
Shipwreck Marsh
38% of 8 decks +19% synergy
Sunken Hollow
38% of 8 decks +3% synergy
Public Thoroughfare
33% of 3 decks +33% synergy
Secret Passage
33% of 3 decks +33% synergy
Vivid Grove
33% of 3 decks +32% synergy
Golgari Guildgate
33% of 3 decks +27% synergy
Simic Guildgate
33% of 3 decks +27% synergy
Dreamroot Cascade
33% of 3 decks +15% synergy
Undergrowth Stadium
33% of 3 decks +7% synergy
Opulent Palace
33% of 3 decks +7% synergy
Rejuvenating Springs
33% of 3 decks +5% synergy
Zagoth Triome
33% of 3 decks +3% synergy
Verdant Catacombs
25% of 8 decks +14% synergy
Misty Rainforest
25% of 8 decks +13% synergy
Darkwater Catacombs
25% of 8 decks +10% synergy
Temple of Deceit
25% of 8 decks +9% synergy
Choked Estuary
25% of 8 decks +8% synergy
Myriad Landscape
25% of 8 decks +6% synergy
Watery Grave
25% of 8 decks -16% synergy
Gateway Plaza
12% of 8 decks +12% synergy
Jwar Isle Refuge
12% of 8 decks +10% synergy
Thriving Moor
12% of 8 decks +10% synergy
Forbidden Orchard
12% of 8 decks +10% synergy
River of Tears
12% of 8 decks +9% synergy
Secluded Courtyard
12% of 8 decks +8% synergy
Unclaimed Territory
12% of 8 decks +8% synergy
Reflecting Pool
12% of 8 decks +7% synergy
Fetid Pools
12% of 8 decks +7% synergy
Cavern of Souls
12% of 8 decks +6% synergy
Mana Confluence
12% of 8 decks +5% synergy
City of Brass
12% of 8 decks +4% synergy
Fabled Passage
12% of 8 decks +3% synergy
Flooded Strand
12% of 8 decks +2% synergy
Scalding Tarn
12% of 8 decks +2% synergy
Marsh Flats
12% of 8 decks +1% synergy
Underground Sea
12% of 8 decks -2% synergy
Terramorphic Expanse
12% of 8 decks -3% synergy
Dimir Aqueduct
12% of 8 decks -4% synergy