Cass, Hand of Vengeance
Altar of Dementia
Ghostly Dancers

   Prerequisites

What do I need to start this combo?
All permanents on the battlefield.
You control an Aura that is attached to another creature you control. You control at least one additional creature beyond the creature that has the Aura attached.

   Steps

How does this combo work?
1
Activate Altar of Dementia by sacrificing another creature that has an Aura attached to it.
2
When the creature dies, Cass triggers, returning an Aura that was attached to the creature from your graveyard to the battlefield attached to another creature you control.
3
When the Aura enters the battlefield, Ghostly Dancers triggers, creating a creature token.
4
Resolve the Altar of Dementia ability.
5
Repeat.

   Results

What do I get from this combo?
Infinite LTB
Infinite ETB
Infinite sacrifice triggers
Infinite death triggers
Infinite mill
Infinite self-mill
Cass, Hand of Vengeance
3.23% of 279 decks 9 decks
High Synergy Cards
Murder Investigation
100% of 9 decks +99% synergy
Squire's Devotion
100% of 9 decks +99% synergy
Nurturing Presence
100% of 9 decks +99% synergy
Cartouche of Solidarity
100% of 9 decks +99% synergy
Ajani's Chosen
100% of 9 decks +99% synergy
Archon of Sun's Grace
100% of 9 decks +98% synergy
Kor Spiritdancer
100% of 9 decks +98% synergy
Goblin Bombardment
100% of 9 decks +93% synergy
Valor of the Worthy
89% of 9 decks +89% synergy
Light-Paws, Emperor's Voice
89% of 9 decks +88% synergy
Top Cards
Transcendent Envoy
89% of 9 decks +88% synergy
Mesa Enchantress
89% of 9 decks +87% synergy
Sage's Reverie
89% of 9 decks +87% synergy
Phyrexian Altar
89% of 9 decks +87% synergy
Gift of Immortality
89% of 9 decks +87% synergy
Ashnod's Altar
89% of 9 decks +84% synergy
Open the Armory
89% of 9 decks +74% synergy
Sram, Senior Edificer
89% of 9 decks +68% synergy
Betrothed of Fire
78% of 9 decks +78% synergy
Griffin Guide
78% of 9 decks +77% synergy
Game Changers
Enlightened Tutor
67% of 9 decks +50% synergy
Deflecting Swat
22% of 9 decks +7% synergy
Gamble
11% of 9 decks +4% synergy
Ancient Tomb
11% of 9 decks +3% synergy
Jeska's Will
11% of 9 decks -7% synergy
Teferi's Protection
11% of 9 decks -7% synergy
Smothering Tithe
11% of 9 decks -10% synergy
Creatures
Heliod's Pilgrim
78% of 9 decks +77% synergy
Starfield Mystic
78% of 9 decks +76% synergy
Kellan, the Fae-Blooded
78% of 9 decks +69% synergy
Hero of Iroas
56% of 9 decks +55% synergy
Pearl-Ear, Imperial Advisor
56% of 9 decks +54% synergy
Armory Paladin
56% of 9 decks +53% synergy
Bogardan Dragonheart
44% of 9 decks +44% synergy
Knight of Doves
44% of 9 decks +44% synergy
Forgeborn Oreads
44% of 9 decks +44% synergy
Koll, the Forgemaster
44% of 9 decks +38% synergy
Codsworth, Handy Helper
44% of 9 decks +37% synergy
Mister Gutsy
33% of 9 decks +33% synergy
Brotherhood Outcast
33% of 9 decks +33% synergy
Wyleth, Soul of Steel
33% of 9 decks +27% synergy
Danitha Capashen, Paragon
33% of 9 decks +21% synergy
Impulsive Pilferer
22% of 9 decks +21% synergy
Rograkh, Son of Rohgahh
22% of 9 decks +17% synergy
Ornithopter
22% of 9 decks +17% synergy
Grand Abolisher
22% of 9 decks +11% synergy
Puresteel Paladin
22% of 9 decks +4% synergy
Esper Sentinel
22% of 9 decks -4% synergy
Eidolon of Astral Winds
12% of 8 decks +12% synergy
Infernal Phantom
11% of 9 decks +11% synergy
Ian the Reckless
11% of 9 decks +11% synergy
Luminate Primordial
11% of 9 decks +11% synergy
Indebted Spirit
11% of 9 decks +11% synergy
Twilight Drover
11% of 9 decks +11% synergy
Moon-Blessed Cleric
11% of 9 decks +10% synergy
Treasure Nabber
11% of 9 decks +10% synergy
Envoy of the Ancestors
11% of 9 decks +10% synergy
Molten Primordial
11% of 9 decks +10% synergy
Skirk Prospector
11% of 9 decks +10% synergy
Gerrard, Weatherlight Hero
11% of 9 decks +9% synergy
Akki Battle Squad
11% of 9 decks +8% synergy
Simian Spirit Guide
11% of 9 decks +6% synergy
Purphoros, God of the Forge
11% of 9 decks +4% synergy
Halvar, God of Battle
11% of 9 decks +4% synergy
Selfless Spirit
11% of 9 decks +2% synergy
Stoneforge Mystic
11% of 9 decks -0% synergy
Sun Titan
11% of 9 decks -4% synergy
Instants
Path to Exile
78% of 9 decks +20% synergy
Swords to Plowshares
78% of 9 decks +11% synergy
Chaos Warp
56% of 9 decks +23% synergy
Wear // Tear
44% of 9 decks +21% synergy
Boros Charm
44% of 9 decks -8% synergy
Inventory Management
33% of 9 decks +27% synergy
Silence
22% of 9 decks +17% synergy
Reprieve
22% of 9 decks +14% synergy
Stroke of Midnight
22% of 9 decks +6% synergy
Generous Gift
22% of 9 decks -15% synergy
Desperate Ritual
11% of 9 decks +10% synergy
Pyretic Ritual
11% of 9 decks +10% synergy
Commune with Lava
11% of 9 decks +10% synergy
Orim's Chant
11% of 9 decks +9% synergy
Seething Song
11% of 9 decks +9% synergy
Bolt Bend
11% of 9 decks +8% synergy
Pyroblast
11% of 9 decks +6% synergy
Lightning Helix
11% of 9 decks +3% synergy
Lightning Bolt
11% of 9 decks +1% synergy
Deflecting Palm
11% of 9 decks -6% synergy
Flawless Maneuver
11% of 9 decks -8% synergy
Sorceries
Blasphemous Act
44% of 9 decks +12% synergy
Idyllic Tutor
33% of 9 decks +31% synergy
Sevinne's Reclamation
33% of 9 decks +22% synergy
Winds of Rath
22% of 9 decks +19% synergy
Rip Apart
22% of 9 decks +7% synergy
Glimpse the Impossible
11% of 9 decks +9% synergy
Hordeling Outburst
11% of 9 decks +9% synergy
Wrenn's Resolve
11% of 9 decks +9% synergy
Vanquish the Horde
11% of 9 decks +7% synergy
Mana Geyser
11% of 9 decks +7% synergy
Farewell
11% of 9 decks +0% synergy
Steelshaper's Gift
11% of 9 decks -2% synergy
Utility Artifacts
Mask of Immolation
67% of 9 decks +66% synergy
Skullclamp
67% of 9 decks +51% synergy
Spawning Pit
56% of 9 decks +55% synergy
Mortarpod
56% of 9 decks +55% synergy
Swiftfoot Boots
56% of 9 decks +11% synergy
Lightning Greaves
44% of 9 decks +17% synergy
Lotus Ring
33% of 9 decks +33% synergy
Blasting Station
33% of 9 decks +33% synergy
Mind Stone
33% of 9 decks +5% synergy
Altar of the Brood
22% of 9 decks +22% synergy
Pip-Boy 3000
22% of 9 decks +20% synergy
Demonmail Hauberk
11% of 9 decks +11% synergy
Glimmerlight
11% of 9 decks +11% synergy
Deathrender
11% of 9 decks +11% synergy
Grafted Wargear
11% of 9 decks +10% synergy
Silver Shroud Costume
11% of 9 decks +10% synergy
Archaeomancer's Map
11% of 9 decks +4% synergy
Shadowspear
11% of 9 decks +1% synergy
Wayfarer's Bauble
11% of 9 decks -3% synergy
Commander's Sphere
11% of 9 decks -7% synergy
Enchantments
Rune of Speed
78% of 9 decks +76% synergy
Rune of Sustenance
78% of 9 decks +76% synergy
Etali's Favor
78% of 9 decks +76% synergy
Sticky Fingers
78% of 9 decks +74% synergy
Knightly Valor
67% of 9 decks +66% synergy
Galvanic Arc
67% of 9 decks +66% synergy
Roadside Assistance
67% of 3 decks +66% synergy
Dragon Mantle
67% of 9 decks +65% synergy
Feather of Flight
67% of 9 decks +65% synergy
Mantle of the Ancients
67% of 9 decks +61% synergy
Gift of Wrath
56% of 9 decks +55% synergy
Angelic Gift
56% of 9 decks +53% synergy
Squee's Embrace
44% of 9 decks +43% synergy
Grim Reaper's Sprint
44% of 9 decks +42% synergy
Historian's Boon
33% of 9 decks +33% synergy
Chosen by Heliod
33% of 9 decks +33% synergy
Boon of the Spirit Realm
33% of 9 decks +33% synergy
Martyr's Cause
33% of 9 decks +33% synergy
Fanatical Devotion
33% of 9 decks +32% synergy
Unquestioned Authority
33% of 9 decks +30% synergy
Darksteel Mutation
33% of 9 decks +28% synergy
Frenzied Fugue
22% of 9 decks +22% synergy
Demonic Ruckus
22% of 9 decks +21% synergy
Impact Tremors
22% of 9 decks +6% synergy
Security Blockade
11% of 9 decks +11% synergy
Soul-Strike Technique
11% of 9 decks +11% synergy
Skybind
11% of 9 decks +11% synergy
Overencumbered
11% of 9 decks +11% synergy
Ordeal of Purphoros
11% of 9 decks +11% synergy
Ordeal of Heliod
11% of 9 decks +11% synergy
Eland Umbra
11% of 9 decks +11% synergy
Iroas's Blessing
11% of 9 decks +11% synergy
Elemental Mastery
11% of 9 decks +11% synergy
Minimus Containment
11% of 9 decks +11% synergy
Dog Umbra
11% of 9 decks +11% synergy
Felidar Umbra
11% of 9 decks +10% synergy
Shielded by Faith
11% of 9 decks +10% synergy
Shardmage's Rescue
11% of 9 decks +10% synergy
Benevolent Blessing
11% of 9 decks +10% synergy
Powerbalance
11% of 9 decks +10% synergy
Hyena Umbra
11% of 9 decks +9% synergy
Ethereal Armor
11% of 9 decks +9% synergy
Trouble in Pairs
11% of 9 decks +2% synergy
Fighter Class
11% of 9 decks -2% synergy
Sigarda's Aid
11% of 9 decks -3% synergy
Utility Lands
Axgard Armory
78% of 9 decks +67% synergy
Hall of Heliod's Generosity
67% of 9 decks +64% synergy
Eiganjo, Seat of the Empire
33% of 9 decks +19% synergy
High Market
22% of 9 decks +21% synergy
Urza's Saga
22% of 9 decks +13% synergy
Castle Ardenvale
22% of 9 decks +12% synergy
Sokenzan, Crucible of Defiance
22% of 9 decks +11% synergy
Roadside Reliquary
11% of 9 decks +10% synergy
Eiganjo Castle
11% of 9 decks +9% synergy
Command Beacon
11% of 9 decks +6% synergy
Kher Keep
11% of 9 decks +3% synergy
War Room
11% of 9 decks +0% synergy
Reliquary Tower
11% of 9 decks -8% synergy
Mana Artifacts
Talisman of Conviction
89% of 9 decks +36% synergy
Arcane Signet
89% of 9 decks +9% synergy
Sol Ring
89% of 9 decks +3% synergy
Boros Signet
56% of 9 decks -1% synergy
Fellwar Stone
33% of 9 decks +8% synergy
Thought Vessel
22% of 9 decks +7% synergy
Decanter of Endless Water
11% of 9 decks +8% synergy
Fire Diamond
11% of 9 decks +4% synergy
Marble Diamond
11% of 9 decks +4% synergy
Cursed Mirror
11% of 9 decks +3% synergy
Lands
Spectator Seating
89% of 9 decks +47% synergy
Clifftop Retreat
89% of 9 decks +28% synergy
Command Tower
89% of 9 decks +3% synergy
Sacred Foundry
78% of 9 decks +35% synergy
Furycalm Snarl
78% of 9 decks +34% synergy
Battlefield Forge
78% of 9 decks +22% synergy
Needleverge Pathway
67% of 9 decks +39% synergy
Rugged Prairie
67% of 9 decks +29% synergy
Temple of Triumph
67% of 9 decks +26% synergy
Arid Mesa
56% of 9 decks +27% synergy
Sundown Pass
56% of 9 decks +20% synergy
Sunbaked Canyon
44% of 9 decks +28% synergy
Sunscorched Divide
44% of 9 decks +27% synergy
Exotic Orchard
44% of 9 decks +16% synergy
Wooded Foothills
33% of 9 decks +28% synergy
Windswept Heath
33% of 9 decks +27% synergy
Elegant Parlor
33% of 9 decks +15% synergy
Sunbillow Verge
25% of 4 decks +8% synergy
Mana Confluence
22% of 9 decks +18% synergy
City of Brass
22% of 9 decks +17% synergy
Scalding Tarn
22% of 9 decks +17% synergy
Prismatic Vista
22% of 9 decks +16% synergy
Crumbling Vestige
11% of 9 decks +11% synergy
Reflecting Pool
11% of 9 decks +8% synergy
Flooded Strand
11% of 9 decks +5% synergy
Bloodstained Mire
11% of 9 decks +5% synergy
Marsh Flats
11% of 9 decks +4% synergy
Rustvale Bridge
11% of 9 decks -0% synergy
Plateau
11% of 9 decks -1% synergy
Evolving Wilds
11% of 9 decks -10% synergy