Skeleton Ship + Intruder Alarm + Geralf's Messenger + Ashnod's Altar

Skeleton Ship
Intruder Alarm
Geralf's Messenger
Ashnod's Altar

Requires
Skeleton Ship must be on the battlefield. Intruder Alarm must be on the battlefield. Geralf's Messenger must be on the battlefield. Ashnod's Altar must be on the battlefield. Skeleton Ship does not have summoning sickness. Geralf's Messenger does not have any +1/+1 counters.
Steps
  1. Activate Ashnod's Altar by sacrificing Geralf's Messenger, adding .
  2. Geralf's Messenger dies, triggering its undying ability, returning it from your graveyard to the battlefield with a +1/+1 counter on it.
  3. Geralf's Messenger enters the battlefield, triggering itself and Intruder Alarm.
  4. Resolve the Geralf's Messenger trigger, causing an opponent to lose 2 life.
  5. Resolve the Intruder Alarm trigger, untapping all creatures.
  6. Activate Skeleton Ship by tapping it, putting a -1/-1 counter on Geralf's Messenger.
  7. Repeat.
Results
Infinite colorless mana. Infinite death triggers. Infinite ETB. Infinite lifeloss. Infinite LTB. Infinite mana creatures you control can produce. Infinite sacrifice triggers. Infinite untap of all creatures.

Skeleton Ship
0.95% of 737 decks 7 decks
Varina, Lich Queen
0.01% of 7044 decks 1 decks
New Cards
Persistent Constrictor
100% of 1 decks +91% synergy
Gloomlake Verge
50% of 2 decks +31% synergy
High Synergy Cards
Necroskitter
88% of 8 decks +87% synergy
Crumbling Ashes
75% of 8 decks +75% synergy
Blowfly Infestation
75% of 8 decks +74% synergy
Nest of Scarabs
75% of 8 decks +74% synergy
Polymorphist's Jest
75% of 8 decks +74% synergy
Freed from the Real
75% of 8 decks +73% synergy
Phyrexian Altar
75% of 8 decks +71% synergy
Pemmin's Aura
62% of 8 decks +61% synergy
Pirate Ship
50% of 8 decks +50% synergy
Geralf's Mindcrusher
50% of 8 decks +50% synergy
Top Cards
Thornbite Staff
50% of 8 decks +49% synergy
Vizier of Tumbling Sands
50% of 8 decks +49% synergy
Black Sun's Zenith
50% of 8 decks +48% synergy
Inexorable Tide
50% of 8 decks +47% synergy
Flux Channeler
50% of 8 decks +47% synergy
Yawgmoth, Thran Physician
50% of 8 decks +46% synergy
Thrummingbird
50% of 8 decks +46% synergy
Read the Bones
50% of 8 decks +42% synergy
Phyrexian Arena
50% of 8 decks +35% synergy
Mystic Remora
50% of 8 decks +32% synergy
Creatures
Pulsemage Advocate
100% of 1 decks +100% synergy
Godhead of Awe
100% of 1 decks +100% synergy
Sky Hussar
100% of 1 decks +100% synergy
Vizier of Remedies
100% of 1 decks +100% synergy
Wayward Servant
100% of 1 decks +99% synergy
Athreos, God of Passage
100% of 1 decks +97% synergy
Teysa Karlov
100% of 1 decks +95% synergy
Spitting Dilophosaurus
67% of 3 decks +66% synergy
Skeleton Crew
67% of 3 decks +66% synergy
Massacre Girl, Known Killer
67% of 3 decks +64% synergy
Maha, Its Feathers Night
67% of 3 decks +64% synergy
Dreamtide Whale
67% of 3 decks +63% synergy
Tekuthal, Inquiry Dominus
50% of 6 decks +47% synergy
Callous Oppressor
38% of 8 decks +37% synergy
Carrion Feeder
38% of 8 decks +32% synergy
Baleful Strix
38% of 8 decks +24% synergy
Duelist of the Mind
33% of 3 decks +33% synergy
Emperor of Bones
33% of 3 decks +33% synergy
Kaervek, the Punisher
33% of 3 decks +32% synergy
Forsaken Miner
33% of 3 decks +32% synergy
Gisa, the Hellraiser
33% of 3 decks +32% synergy
Floodchaser
25% of 8 decks +25% synergy
Dreamwinder
25% of 8 decks +25% synergy
Kukemssa Serpent
25% of 8 decks +25% synergy
Cao Cao, Lord of Wei
25% of 8 decks +25% synergy
Sealock Monster
25% of 8 decks +25% synergy
Streambed Aquitects
25% of 8 decks +25% synergy
Archivist
25% of 8 decks +25% synergy
Tidal Warrior
25% of 8 decks +25% synergy
Coffin Queen
25% of 8 decks +25% synergy
Kaervek, the Spiteful
25% of 8 decks +25% synergy
Beguiler of Wills
25% of 8 decks +25% synergy
Tide Shaper
25% of 8 decks +25% synergy
Empress Galina
25% of 8 decks +25% synergy
The Flood of Mars
25% of 4 decks +24% synergy
Fatestitcher
25% of 8 decks +24% synergy
Avatar of Woe
25% of 8 decks +24% synergy
Willbreaker
25% of 8 decks +24% synergy
Azami, Lady of Scrolls
25% of 8 decks +24% synergy
Kelpie Guide
25% of 8 decks +24% synergy
Malcolm, Keen-Eyed Navigator
25% of 8 decks +24% synergy
Bloodline Keeper
25% of 8 decks +24% synergy
Arcanis the Omnipotent
25% of 8 decks +24% synergy
Royal Assassin
25% of 8 decks +24% synergy
Stormtide Leviathan
25% of 8 decks +23% synergy
Death Baron
25% of 8 decks +23% synergy
Mikaeus, the Unhallowed
25% of 8 decks +22% synergy
Toxrill, the Corrosive
25% of 8 decks +22% synergy
Glasspool Mimic
25% of 8 decks +22% synergy
Reassembling Skeleton
25% of 8 decks +21% synergy
Instants
Flatline
50% of 4 decks +49% synergy
Prologue to Phyresis
50% of 6 decks +48% synergy
Experimental Augury
50% of 6 decks +47% synergy
Grim Affliction
38% of 8 decks +37% synergy
Vampiric Tutor
38% of 8 decks +19% synergy
Counterspell
38% of 8 decks -5% synergy
Vraska's Fall
33% of 6 decks +31% synergy
Strix Serenade
33% of 3 decks +26% synergy
Stinging Study
25% of 8 decks +24% synergy
Muddle the Mixture
25% of 8 decks +20% synergy
Arcane Denial
25% of 8 decks +5% synergy
Dark Ritual
25% of 8 decks +3% synergy
Negate
25% of 8 decks +2% synergy
Cyclonic Rift
25% of 8 decks -3% synergy
Whisper of the Dross
17% of 6 decks +15% synergy
Banishing Knack
12% of 8 decks +12% synergy
Virulent Wound
12% of 8 decks +12% synergy
Bone Harvest
12% of 8 decks +12% synergy
Hellish Rebuke
12% of 8 decks +12% synergy
Capsize
12% of 8 decks +12% synergy
Steady Progress
12% of 8 decks +12% synergy
Soul Manipulation
12% of 8 decks +11% synergy
Tainted Strike
12% of 8 decks +11% synergy
Miscast
12% of 8 decks +10% synergy
Dismember
12% of 8 decks +10% synergy
Delay
12% of 8 decks +10% synergy
Culling the Weak
12% of 8 decks +9% synergy
Spell Pierce
12% of 8 decks +9% synergy
Demonic Consultation
12% of 8 decks +9% synergy
Resculpt
12% of 8 decks +7% synergy
Dramatic Reversal
12% of 8 decks +7% synergy
Aetherize
12% of 8 decks +7% synergy
Drown in the Loch
12% of 8 decks +6% synergy
Entomb
12% of 8 decks +5% synergy
Infernal Grasp
12% of 8 decks +5% synergy
Village Rites
12% of 8 decks +3% synergy
Deadly Rollick
12% of 8 decks +2% synergy
Deadly Dispute
12% of 8 decks +1% synergy
Pongify
12% of 8 decks +1% synergy
Mystical Tutor
12% of 8 decks -3% synergy
Mana Drain
12% of 8 decks -3% synergy
Swan Song
12% of 8 decks -4% synergy
Fierce Guardianship
12% of 8 decks -5% synergy
Sorceries
Demonic Tutor
50% of 8 decks +28% synergy
Contentious Plan
38% of 8 decks +36% synergy
Tezzeret's Gambit
38% of 8 decks +34% synergy
Preordain
38% of 8 decks +27% synergy
Ponder
38% of 8 decks +25% synergy
Drown in Ichor
33% of 6 decks +31% synergy
Infectious Inquiry
33% of 6 decks +31% synergy
Mass Diminish
25% of 8 decks +25% synergy
Aquitect's Will
25% of 8 decks +24% synergy
Asinine Antics
25% of 4 decks +24% synergy
Exsanguinate
25% of 8 decks +19% synergy
Diabolic Intent
25% of 8 decks +16% synergy
Night's Whisper
25% of 8 decks +16% synergy
Toxic Deluge
25% of 8 decks +8% synergy
Liliana's Influence
12% of 8 decks +12% synergy
Interpret the Signs
12% of 8 decks +12% synergy
Return from Extinction
12% of 8 decks +12% synergy
Walk the Plank
12% of 8 decks +12% synergy
Zombie Apocalypse
12% of 8 decks +11% synergy
Army of the Damned
12% of 8 decks +10% synergy
Profane Tutor
12% of 8 decks +10% synergy
Rite of Replication
12% of 8 decks +9% synergy
Kindred Dominance
12% of 8 decks +9% synergy
Grim Tutor
12% of 8 decks +8% synergy
Gitaxian Probe
12% of 8 decks +7% synergy
Diabolic Tutor
12% of 8 decks +6% synergy
Damnation
12% of 8 decks +4% synergy
Victimize
12% of 8 decks +1% synergy
Windfall
12% of 8 decks -1% synergy
Utility Artifacts
Sting, the Glinting Dagger
60% of 5 decks +58% synergy
Lightning Greaves
50% of 8 decks +25% synergy
Thousand-Year Elixir
38% of 8 decks +35% synergy
Altar of Dementia
38% of 8 decks +35% synergy
Wayfarer's Bauble
38% of 8 decks +27% synergy
Swiftfoot Boots
38% of 8 decks +10% synergy
Sword of Wealth and Power
33% of 3 decks +32% synergy
Quicksilver Fountain
25% of 8 decks +25% synergy
Illusionist's Bracers
25% of 8 decks +24% synergy
Contagion Clasp
25% of 8 decks +24% synergy
The One Ring
17% of 6 decks +8% synergy
Glaring Spotlight
12% of 8 decks +12% synergy
Mindslaver
12% of 8 decks +12% synergy
Contagion Engine
12% of 8 decks +11% synergy
Mimic Vat
12% of 8 decks +11% synergy
Moonsilver Key
12% of 8 decks +11% synergy
Lithoform Engine
12% of 8 decks +11% synergy
Staff of Domination
12% of 8 decks +11% synergy
Isochron Scepter
12% of 8 decks +10% synergy
Jet Medallion
12% of 8 decks +10% synergy
Expedition Map
12% of 8 decks +9% synergy
Whip of Erebos
12% of 8 decks +9% synergy
The Ozolith
12% of 8 decks +9% synergy
Shadowspear
12% of 8 decks +9% synergy
Vanquisher's Banner
12% of 8 decks +8% synergy
Bolas's Citadel
12% of 8 decks +3% synergy
Skullclamp
12% of 8 decks +0% synergy
Enchantments
Anointed Procession
100% of 1 decks +91% synergy
Amphibian Downpour
67% of 3 decks +63% synergy
Black Market Connections
43% of 7 decks +32% synergy
Retreat to Coralhelm
38% of 8 decks +35% synergy
Rhystic Study
38% of 8 decks +10% synergy
Case of the Stashed Skeleton
33% of 3 decks +33% synergy
Eaten by Piranhas
33% of 3 decks +31% synergy
Lingering Mirage
25% of 8 decks +25% synergy
Sea's Claim
25% of 8 decks +25% synergy
Aura of Dominion
25% of 8 decks +25% synergy
Spreading Seas
25% of 8 decks +25% synergy
Mind Over Matter
25% of 8 decks +25% synergy
The Meathook Massacre
25% of 8 decks +20% synergy
Mystic Decree
12% of 8 decks +12% synergy
Tombstone Stairwell
12% of 8 decks +12% synergy
Grave Betrayal
12% of 8 decks +12% synergy
Liliana's Mastery
12% of 8 decks +12% synergy
Open the Graves
12% of 8 decks +11% synergy
Endless Ranks of the Dead
12% of 8 decks +11% synergy
Rooftop Storm
12% of 8 decks +11% synergy
No Mercy
12% of 8 decks +11% synergy
Vampiric Rites
12% of 8 decks +10% synergy
Dreadhorde Invasion
12% of 8 decks +10% synergy
Phyrexian Reclamation
12% of 8 decks +9% synergy
Black Market
12% of 8 decks +8% synergy
Bastion of Remembrance
12% of 8 decks +6% synergy
Propaganda
12% of 8 decks +1% synergy
Battles
Invasion of Segovia
20% of 5 decks +19% synergy
Planeswalkers
Vraska, Betrayal's Sting
17% of 6 decks +13% synergy
Liliana, Death Mage
12% of 8 decks +12% synergy
Liliana, Death Wielder
12% of 8 decks +12% synergy
Utility Lands
Bojuka Bog
75% of 8 decks +45% synergy
Detection Tower
38% of 8 decks +37% synergy
Karn's Bastion
38% of 8 decks +32% synergy
Dreadship Reef
25% of 8 decks +24% synergy
Arcane Lighthouse
25% of 8 decks +24% synergy
Urborg, Tomb of Yawgmoth
25% of 8 decks +15% synergy
Ice Floe
12% of 8 decks +12% synergy
Lotus Vale
12% of 8 decks +12% synergy
Moonring Island
12% of 8 decks +12% synergy
Unholy Grotto
12% of 8 decks +12% synergy
Coral Atoll
12% of 8 decks +12% synergy
Hall of the Bandit Lord
12% of 8 decks +12% synergy
Lotus Field
12% of 8 decks +11% synergy
Guildless Commons
12% of 8 decks +11% synergy
Westvale Abbey
12% of 8 decks +10% synergy
Field of the Dead
12% of 8 decks +9% synergy
Barren Moor
12% of 8 decks +9% synergy
Minamo, School at Water's Edge
12% of 8 decks +8% synergy
Vault of Whispers
12% of 8 decks +8% synergy
Command Beacon
12% of 8 decks +8% synergy
Academy Ruins
12% of 8 decks +8% synergy
Mortuary Mire
12% of 8 decks +8% synergy
Seat of the Synod
12% of 8 decks +6% synergy
Temple of the False God
12% of 8 decks +3% synergy
Takenuma, Abandoned Mire
12% of 8 decks +2% synergy
Mystic Sanctuary
12% of 8 decks +0% synergy
Rogue's Passage
12% of 8 decks -7% synergy
Reliquary Tower
12% of 8 decks -17% synergy
Mana Artifacts
Sol Ring
100% of 8 decks +16% synergy
Arcane Signet
62% of 8 decks -9% synergy
Fellwar Stone
50% of 8 decks +29% synergy
Dimir Signet
50% of 8 decks +20% synergy
Talisman of Dominance
50% of 8 decks +19% synergy
Bandit's Haul
33% of 3 decks +33% synergy
Coldsteel Heart
25% of 8 decks +24% synergy
Staff of Compleation
17% of 6 decks +15% synergy
Coalition Relic
12% of 8 decks +12% synergy
Paradise Mantle
12% of 8 decks +12% synergy
Grim Monolith
12% of 8 decks +11% synergy
Basalt Monolith
12% of 8 decks +10% synergy
Everflowing Chalice
12% of 8 decks +8% synergy
Mana Vault
12% of 8 decks +6% synergy
Lotus Petal
12% of 8 decks +6% synergy
Thought Vessel
12% of 8 decks -4% synergy
Mind Stone
12% of 8 decks -5% synergy
Lands
Scoured Barrens
100% of 1 decks +91% synergy
Orzhov Basilica
100% of 1 decks +84% synergy
Isolated Chapel
100% of 1 decks +73% synergy
Arcane Sanctum
100% of 1 decks +72% synergy
Raffine's Tower
100% of 1 decks +72% synergy
Godless Shrine
100% of 1 decks +59% synergy
Hallowed Fountain
100% of 1 decks +59% synergy
Command Tower
88% of 8 decks +14% synergy
Shipwreck Marsh
62% of 8 decks +44% synergy
Underground River
62% of 8 decks +43% synergy
Sunken Hollow
62% of 8 decks +28% synergy
Watery Grave
62% of 8 decks +22% synergy
Dimir Aqueduct
50% of 8 decks +33% synergy
Prismatic Vista
38% of 8 decks +32% synergy
Tainted Isle
38% of 8 decks +27% synergy
Myriad Landscape
38% of 8 decks +18% synergy
Drowned Catacomb
38% of 8 decks +12% synergy
Undercity Sewers
33% of 3 decks +19% synergy
River of Tears
25% of 8 decks +22% synergy
Darkslick Shores
25% of 8 decks +20% synergy
Darkwater Catacombs
25% of 8 decks +10% synergy
Temple of Deceit
25% of 8 decks +9% synergy
Evolving Wilds
25% of 8 decks +4% synergy
Morphic Pool
25% of 8 decks -1% synergy
Exotic Orchard
25% of 8 decks -11% synergy
Contaminated Aquifer
17% of 6 decks +13% synergy
River Delta
12% of 8 decks +12% synergy
Ice Tunnel
12% of 8 decks +10% synergy
Unclaimed Territory
12% of 8 decks +8% synergy
Fetid Pools
12% of 8 decks +7% synergy
Fabled Passage
12% of 8 decks +3% synergy
Polluted Delta
12% of 8 decks +1% synergy
Underground Sea
12% of 8 decks -2% synergy
Terramorphic Expanse
12% of 8 decks -3% synergy
Path of Ancestry
12% of 8 decks -9% synergy