Ratadrabik of Urborg
Leyline of Singularity
Altar of Dementia
1

   Prerequisites

What do I need to start this combo?
All permanents on the battlefield.
You control at least one additional creature.

   Steps

How does this combo work?
1
Activate Altar of Dementia by sacrificing any other creature you control.
2
The creature dies, triggering Ratadrabik, creating a token copy of the creature that is a 2/2 legendary Zombie in addition to its other types.
3
Resolve the Altar of Dementia ability, causing target player to mill cards equal to the sacrificed creature's power.
4
Repeat.

   Results

What do I get from this combo?
Infinite death triggers
Infinite ETB
Infinite LTB
Infinite mill
Infinite sacrifice triggers
Infinite self-mill
Top Commanders
Temmet, Naktamun's Will
0.03% of 6654 decks 2 decks
Ravos, Soultender // Sakashima of a Thousand Faces
0.94% of 212 decks 2 decks
Bane, Lord of Darkness
0.05% of 2132 decks 1 decks
Varina, Lich Queen
0.01% of 8677 decks 1 decks
New Cards
Sidisi, Regent of the Mire
50% of 2 decks +49% synergy
High Synergy Cards
Phyrexian Altar
83% of 6 decks +79% synergy
Ashnod's Altar
83% of 6 decks +76% synergy
Teysa Karlov
67% of 6 decks +65% synergy
Carrion Feeder
67% of 6 decks +64% synergy
Game Changers
Vampiric Tutor
50% of 6 decks +30% synergy
Demonic Tutor
50% of 6 decks +27% synergy
Necropotence
33% of 6 decks +26% synergy
Fierce Guardianship
33% of 6 decks +14% synergy
Rhystic Study
33% of 6 decks -2% synergy
Field of the Dead
17% of 6 decks +13% synergy
Imperial Seal
17% of 6 decks +9% synergy
Force of Will
17% of 6 decks +3% synergy
Mystical Tutor
17% of 6 decks +3% synergy
Teferi's Protection
17% of 6 decks -2% synergy
Creatures
Zul Ashur, Lich Lord
67% of 3 decks +60% synergy
Sakashima the Impostor
50% of 6 decks +49% synergy
Boromir, Warden of the Tower
50% of 6 decks +48% synergy
Zulaport Cutthroat
50% of 6 decks +48% synergy
Wilhelt, the Rotcleaver
50% of 6 decks +46% synergy
Elas il-Kor, Sadistic Pilgrim
50% of 6 decks +45% synergy
Wizened Mentor
50% of 2 decks +42% synergy
Mondrak, Glory Dominus
50% of 6 decks +42% synergy
Syr Konrad, the Grim
50% of 6 decks +42% synergy
Hashaton, Scarab's Fist
50% of 2 decks +40% synergy
Prophet of the Scarab
50% of 2 decks +38% synergy
Lost Monarch of Ifnir
50% of 2 decks +37% synergy
Rhet-Tomb Mystic
50% of 2 decks +36% synergy
Ojer Taq, Deepest Foundation
40% of 5 decks +36% synergy
The Peregrine Dynamo
33% of 6 decks +33% synergy
Samwise the Stouthearted
33% of 6 decks +33% synergy
Gandalf the White
33% of 6 decks +33% synergy
Drivnod, Carnage Dominus
33% of 6 decks +33% synergy
Yahenni, Undying Partisan
33% of 6 decks +33% synergy
God-Eternal Bontu
33% of 6 decks +33% synergy
Junji, the Midnight Sky
33% of 6 decks +32% synergy
Grimgrin, Corpse-Born
33% of 6 decks +32% synergy
Braids, Arisen Nightmare
33% of 6 decks +32% synergy
Mikaeus, the Unhallowed
33% of 6 decks +31% synergy
Clever Impersonator
33% of 6 decks +31% synergy
Varina, Lich Queen
33% of 6 decks +31% synergy
Viscera Seer
33% of 6 decks +30% synergy
Rona, Herald of Invasion
33% of 6 decks +29% synergy
Diregraf Colossus
33% of 6 decks +29% synergy
Cemetery Reaper
33% of 6 decks +28% synergy
Undead Augur
33% of 6 decks +28% synergy
Lord of the Accursed
33% of 6 decks +28% synergy
Gravecrawler
33% of 6 decks +27% synergy
Cryptbreaker
33% of 6 decks +27% synergy
Solemn Simulacrum
33% of 6 decks +15% synergy
Jason Bright, Glowing Prophet
25% of 4 decks +24% synergy
Maha, Its Feathers Night
25% of 4 decks +24% synergy
Unstoppable Slasher
25% of 4 decks +23% synergy
Accursed Marauder
25% of 4 decks +22% synergy
Kambal, Profiteering Mayor
25% of 4 decks +20% synergy
Massacre Girl, Known Killer
20% of 5 decks +20% synergy
Bartolomé del Presidio
20% of 5 decks +19% synergy
Amalia Benavides Aguirre
20% of 5 decks +19% synergy
Akuta, Born of Ash
17% of 6 decks +17% synergy
Glint Hawk
17% of 6 decks +17% synergy
Stormbound Geist
17% of 6 decks +17% synergy
Marrow-Gnawer
17% of 6 decks +17% synergy
Mirri the Cursed
17% of 6 decks +17% synergy
Araumi of the Dead Tide
17% of 6 decks +17% synergy
Chainer, Dementia Master
17% of 6 decks +17% synergy
Instants
Swords to Plowshares
50% of 6 decks -19% synergy
Deadly Dispute
33% of 6 decks +30% synergy
Pact of Negation
33% of 6 decks +25% synergy
Negate
33% of 6 decks +16% synergy
Dovin's Veto
33% of 6 decks +9% synergy
An Offer You Can't Refuse
33% of 6 decks +9% synergy
No More Lies
20% of 5 decks +18% synergy
Permission Denied
20% of 5 decks +17% synergy
Corrupted Conviction
17% of 6 decks +15% synergy
Mana Leak
17% of 6 decks +15% synergy
Fact or Fiction
17% of 6 decks +12% synergy
Pull from Tomorrow
17% of 6 decks +11% synergy
Flawless Maneuver
17% of 6 decks +11% synergy
Utter End
17% of 6 decks +8% synergy
Deadly Rollick
17% of 6 decks +7% synergy
Force of Negation
17% of 6 decks +5% synergy
Generous Gift
17% of 6 decks +2% synergy
Mana Drain
17% of 6 decks -1% synergy
Swan Song
17% of 6 decks -2% synergy
Brainstorm
17% of 6 decks -2% synergy
Despark
17% of 6 decks -3% synergy
Arcane Denial
17% of 6 decks -4% synergy
Enlightened Tutor
17% of 6 decks -5% synergy
Path to Exile
17% of 6 decks -27% synergy
Sorceries
Primevals' Glorious Rebirth
33% of 6 decks +33% synergy
Zombie Apocalypse
33% of 6 decks +30% synergy
Grim Tutor
33% of 6 decks +30% synergy
Unburial Rites
33% of 6 decks +29% synergy
Plague of Vermin
17% of 6 decks +17% synergy
Immortal Servitude
17% of 6 decks +17% synergy
Search for Glory
17% of 6 decks +16% synergy
Urza's Ruinous Blast
17% of 6 decks +16% synergy
Personal Tutor
17% of 6 decks +16% synergy
Torment of Hailfire
17% of 6 decks +15% synergy
Scheming Symmetry
17% of 6 decks +15% synergy
Ringsight
17% of 6 decks +15% synergy
Cleansing Nova
17% of 6 decks +15% synergy
Dread Summons
17% of 6 decks +15% synergy
Exsanguinate
17% of 6 decks +14% synergy
Dread Return
17% of 6 decks +14% synergy
Buried Alive
17% of 6 decks +12% synergy
Living Death
17% of 6 decks +12% synergy
Diabolic Intent
17% of 6 decks +11% synergy
Time Wipe
17% of 6 decks +8% synergy
Austere Command
17% of 6 decks +6% synergy
Reanimate
17% of 6 decks +2% synergy
Damn
17% of 6 decks -4% synergy
Utility Artifacts
Mirror Box
33% of 6 decks +33% synergy
Eye of Ojer Taq
20% of 5 decks +20% synergy
Emerald Medallion
17% of 6 decks +17% synergy
Demonmail Hauberk
17% of 6 decks +17% synergy
Sword of the Paruns
17% of 6 decks +17% synergy
Norn's Wellspring
17% of 6 decks +17% synergy
Mirror Gallery
17% of 6 decks +17% synergy
Altar of Bhaal
17% of 6 decks +16% synergy
Nim Deathmantle
17% of 6 decks +16% synergy
Realmbreaker, the Invasion Tree
17% of 6 decks +16% synergy
Blade of Selves
17% of 6 decks +16% synergy
Pearl Medallion
17% of 6 decks +16% synergy
Maskwood Nexus
17% of 6 decks +16% synergy
Jet Medallion
17% of 6 decks +16% synergy
Sapphire Medallion
17% of 6 decks +16% synergy
Mirage Mirror
17% of 6 decks +15% synergy
Encroaching Mycosynth
17% of 6 decks +15% synergy
Helm of the Host
17% of 6 decks +15% synergy
Crowded Crypt
17% of 6 decks +14% synergy
Bontu's Monument
17% of 6 decks +14% synergy
Panharmonicon
17% of 6 decks +13% synergy
Strionic Resonator
17% of 6 decks +12% synergy
Vanquisher's Banner
17% of 6 decks +11% synergy
Herald's Horn
17% of 6 decks +10% synergy
Wishclaw Talisman
17% of 6 decks +8% synergy
Wayfarer's Bauble
17% of 6 decks +6% synergy
Mind Stone
17% of 6 decks +1% synergy
Commander's Sphere
17% of 6 decks -5% synergy
Swiftfoot Boots
17% of 6 decks -8% synergy
Enchantments
On Wings of Gold
50% of 2 decks +36% synergy
Renewed Solidarity
50% of 2 decks +35% synergy
Legion Loyalty
33% of 6 decks +32% synergy
Grave Pact
33% of 6 decks +32% synergy
Dance of the Dead
33% of 6 decks +31% synergy
Endless Ranks of the Dead
33% of 6 decks +30% synergy
Necromancy
33% of 6 decks +29% synergy
Rooftop Storm
33% of 6 decks +28% synergy
Kindred Discovery
33% of 6 decks +24% synergy
Anointed Procession
33% of 6 decks +24% synergy
Phyrexian Arena
33% of 6 decks +20% synergy
Mystic Remora
33% of 6 decks +11% synergy
Caretaker's Talent
25% of 4 decks +21% synergy
Deeproot Pilgrimage
20% of 5 decks +20% synergy
Court of Vantress
20% of 5 decks +17% synergy
The Kenriths' Royal Funeral
17% of 6 decks +17% synergy
Retribution of the Ancients
17% of 6 decks +17% synergy
War of the Last Alliance
17% of 6 decks +16% synergy
Heartless Summoning
17% of 6 decks +16% synergy
Martyr's Bond
17% of 6 decks +16% synergy
Intruder Alarm
17% of 6 decks +16% synergy
Black Market
17% of 6 decks +16% synergy
Mirrodin Besieged
17% of 6 decks +14% synergy
Dreadhorde Invasion
17% of 6 decks +14% synergy
Leyline of Anticipation
17% of 6 decks +13% synergy
Necroduality
17% of 6 decks +12% synergy
Extravagant Replication
17% of 6 decks +12% synergy
Tortured Existence
17% of 6 decks +10% synergy
Reconnaissance Mission
17% of 6 decks +9% synergy
Animate Dead
17% of 6 decks +6% synergy
Planeswalkers
Liliana, Untouched by Death
33% of 6 decks +32% synergy
Liliana, Death's Majesty
17% of 6 decks +13% synergy
Utility Lands
Reliquary Tower
50% of 6 decks +17% synergy
Phyrexian Tower
33% of 6 decks +29% synergy
Bojuka Bog
33% of 6 decks +4% synergy
Three Tree City
25% of 4 decks +21% synergy
Great Hall of the Citadel
17% of 6 decks +16% synergy
Mortuary Mire
17% of 6 decks +14% synergy
Urborg, Tomb of Yawgmoth
17% of 6 decks +3% synergy
Mana Artifacts
Arcane Signet
100% of 6 decks +12% synergy
Sol Ring
100% of 6 decks +10% synergy
Dimir Signet
67% of 6 decks +29% synergy
Azorius Signet
67% of 6 decks +29% synergy
Orzhov Signet
67% of 6 decks +26% synergy
Talisman of Progress
50% of 6 decks +11% synergy
Talisman of Hierarchy
50% of 6 decks +10% synergy
Talisman of Dominance
50% of 6 decks +4% synergy
Fellwar Stone
33% of 6 decks -3% synergy
Patchwork Banner
25% of 4 decks +20% synergy
Prismatic Lens
17% of 6 decks +16% synergy
Relic of Legends
17% of 6 decks +16% synergy
Basalt Monolith
17% of 6 decks +15% synergy
Chromatic Lantern
17% of 6 decks +2% synergy
Thought Vessel
17% of 6 decks -5% synergy
Lands
Caves of Koilos
83% of 6 decks +49% synergy
Exotic Orchard
67% of 6 decks +9% synergy
Command Tower
67% of 6 decks -25% synergy
Bleachbone Verge
50% of 2 decks +42% synergy
Choked Estuary
50% of 6 decks +34% synergy
Port Town
50% of 6 decks +34% synergy
Temple of Deceit
50% of 6 decks +30% synergy
Temple of Silence
50% of 6 decks +28% synergy
Path of Ancestry
50% of 6 decks +23% synergy
Underground River
50% of 6 decks +23% synergy
Sea of Clouds
50% of 6 decks +13% synergy
Sunken Hollow
50% of 6 decks +10% synergy
Watery Grave
50% of 6 decks +2% synergy
Godless Shrine
50% of 6 decks +2% synergy
Hallowed Fountain
50% of 6 decks +1% synergy
Unclaimed Territory
33% of 6 decks +29% synergy
Tainted Isle
33% of 6 decks +27% synergy
Tainted Field
33% of 6 decks +26% synergy
Darkwater Catacombs
33% of 6 decks +21% synergy
Skycloud Expanse
33% of 6 decks +20% synergy
Temple of Enlightenment
33% of 6 decks +14% synergy
Adarkar Wastes
33% of 6 decks +6% synergy
Drowned Catacomb
33% of 6 decks +4% synergy
Isolated Chapel
33% of 6 decks +1% synergy
Glacial Fortress
33% of 6 decks +0% synergy
Vault of Champions
33% of 6 decks -0% synergy
Polluted Delta
33% of 6 decks -1% synergy
Morphic Pool
33% of 6 decks -2% synergy
Flooded Strand
33% of 6 decks -2% synergy
Marsh Flats
33% of 6 decks -2% synergy
Prairie Stream
33% of 6 decks -7% synergy
Raffine's Tower
33% of 6 decks -9% synergy
Arcane Sanctum
33% of 6 decks -21% synergy
Gloomlake Verge
25% of 4 decks +14% synergy
Floodfarm Verge
25% of 4 decks +14% synergy
Contaminated Landscape
25% of 4 decks +8% synergy
The Grey Havens
17% of 6 decks +16% synergy
Port of Karfell
17% of 6 decks +16% synergy
River of Tears
17% of 6 decks +14% synergy
Nimbus Maze
17% of 6 decks +14% synergy
Sunken Ruins
17% of 6 decks +13% synergy
Secluded Courtyard
17% of 6 decks +13% synergy
Mystic Gate
17% of 6 decks +12% synergy
Esper Panorama
17% of 6 decks +12% synergy
Fetid Pools
17% of 6 decks +10% synergy
Irrigated Farmland
17% of 6 decks +9% synergy
Fetid Heath
17% of 6 decks +9% synergy
Myriad Landscape
17% of 6 decks +5% synergy
Obscura Storefront
17% of 6 decks +4% synergy
Shattered Sanctum
17% of 6 decks +1% synergy