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
5.3%inclusion20 decks375 decks
High Synergy Cards
Murder Investigation
100%inclusion20 decks20 decks
100%synergy
Squire's Devotion
100%inclusion20 decks20 decks
99%synergy
Nurturing Presence
100%inclusion20 decks20 decks
99%synergy
Cartouche of Solidarity
100%inclusion20 decks20 decks
99%synergy
Ajani's Chosen
100%inclusion20 decks20 decks
99%synergy
Archon of Sun's Grace
100%inclusion20 decks20 decks
99%synergy
Valor of the Worthy
95%inclusion19 decks20 decks
95%synergy
Goblin Bombardment
100%inclusion20 decks20 decks
94%synergy
Griffin Guide
90%inclusion18 decks20 decks
90%synergy
Kor Spiritdancer
90%inclusion18 decks20 decks
89%synergy
Top Cards
Sram, Senior Edificer
90%inclusion18 decks20 decks
72%synergy
Mesa Enchantress
85%inclusion17 decks20 decks
84%synergy
Ashnod's Altar
85%inclusion17 decks20 decks
81%synergy
Open the Armory
85%inclusion17 decks20 decks
71%synergy
Mask of Immolation
80%inclusion16 decks20 decks
80%synergy
Heliod's Pilgrim
80%inclusion16 decks20 decks
79%synergy
Kellan, the Fae-Blooded
80%inclusion16 decks20 decks
73%synergy
Betrothed of Fire
75%inclusion15 decks20 decks
75%synergy
Knight of Doves
75%inclusion15 decks20 decks
75%synergy
Rune of Speed
75%inclusion15 decks20 decks
74%synergy
Game Changers
Enlightened Tutor
50%inclusion10 decks20 decks
34%synergy
Farewell
20%inclusion4 decks20 decks
9%synergy
Ancient Tomb
15%inclusion3 decks20 decks
8%synergy
Creatures
Light-Paws, Emperor's Voice
70%inclusion14 decks20 decks
69%synergy
Starfield Mystic
70%inclusion14 decks20 decks
69%synergy
Forgeborn Oreads
60%inclusion12 decks20 decks
60%synergy
Transcendent Envoy
55%inclusion11 decks20 decks
54%synergy
Pearl-Ear, Imperial Advisor
50%inclusion10 decks20 decks
49%synergy
Brotherhood Outcast
45%inclusion9 decks20 decks
44%synergy
Armory Paladin
45%inclusion9 decks20 decks
43%synergy
Koll, the Forgemaster
45%inclusion9 decks20 decks
40%synergy
Codsworth, Handy Helper
45%inclusion9 decks20 decks
38%synergy
Hero of Iroas
40%inclusion8 decks20 decks
39%synergy
Danitha Capashen, Paragon
40%inclusion8 decks20 decks
29%synergy
Bogardan Dragonheart
30%inclusion6 decks20 decks
30%synergy
Mister Gutsy
30%inclusion6 decks20 decks
30%synergy
Moon-Blessed Cleric
30%inclusion6 decks20 decks
29%synergy
Rograkh, Son of Rohgahh
30%inclusion6 decks20 decks
26%synergy
Wyleth, Soul of Steel
30%inclusion6 decks20 decks
26%synergy
Grand Abolisher
30%inclusion6 decks20 decks
19%synergy
Puresteel Paladin
25%inclusion5 decks20 decks
7%synergy
Danitha, Benalia's Hope
20%inclusion4 decks20 decks
18%synergy
Ornithopter
20%inclusion4 decks20 decks
15%synergy
Purphoros, God of the Forge
20%inclusion4 decks20 decks
14%synergy
Thermopod
15%inclusion3 decks20 decks
15%synergy
Skirk Prospector
15%inclusion3 decks20 decks
14%synergy
Valduk, Keeper of the Flame
15%inclusion3 decks20 decks
13%synergy
Molten Gatekeeper
15%inclusion3 decks20 decks
7%synergy
Sun Titan
15%inclusion3 decks20 decks
1%synergy
Instants
Swords to Plowshares
65%inclusion13 decks20 decks
-1%synergy
Path to Exile
60%inclusion12 decks20 decks
3%synergy
Chaos Warp
45%inclusion9 decks20 decks
14%synergy
Wear // Tear
40%inclusion8 decks20 decks
19%synergy
Generous Gift
40%inclusion8 decks20 decks
7%synergy
Boros Charm
40%inclusion8 decks20 decks
-8%synergy
Stroke of Midnight
35%inclusion7 decks20 decks
18%synergy
Inventory Management
30%inclusion6 decks20 decks
24%synergy
Reprieve
30%inclusion6 decks20 decks
21%synergy
Silence
20%inclusion4 decks20 decks
15%synergy
Sejiri Shelter
20%inclusion4 decks20 decks
12%synergy
Deflecting Swat
20%inclusion4 decks20 decks
4%synergy
Flawless Maneuver
15%inclusion3 decks20 decks
-3%synergy
Sorceries
Blasphemous Act
45%inclusion9 decks20 decks
12%synergy
Idyllic Tutor
35%inclusion7 decks20 decks
32%synergy
Sevinne's Reclamation
35%inclusion7 decks20 decks
23%synergy
Winds of Rath
30%inclusion6 decks20 decks
28%synergy
Sundering Eruption
15%inclusion3 decks20 decks
9%synergy
Austere Command
15%inclusion3 decks20 decks
-1%synergy
Utility Artifacts
Phyrexian Altar
75%inclusion15 decks20 decks
73%synergy
Mortarpod
65%inclusion13 decks20 decks
65%synergy
Spawning Pit
55%inclusion11 decks20 decks
55%synergy
Lightning Greaves
55%inclusion11 decks20 decks
26%synergy
Swiftfoot Boots
55%inclusion11 decks20 decks
11%synergy
Blasting Station
50%inclusion10 decks20 decks
50%synergy
Skullclamp
50%inclusion10 decks20 decks
35%synergy
Altar of the Brood
20%inclusion4 decks20 decks
20%synergy
Lotus Ring
20%inclusion4 decks20 decks
20%synergy
Grafted Wargear
15%inclusion3 decks20 decks
14%synergy
Shadowspear
15%inclusion3 decks20 decks
5%synergy
Enchantments
Sage's Reverie
75%inclusion15 decks20 decks
74%synergy
Gift of Immortality
75%inclusion15 decks20 decks
73%synergy
Sticky Fingers
75%inclusion15 decks20 decks
72%synergy
Mantle of the Ancients
75%inclusion15 decks20 decks
70%synergy
Etali's Favor
70%inclusion14 decks20 decks
68%synergy
Dragon Mantle
65%inclusion13 decks20 decks
64%synergy
Angelic Gift
65%inclusion13 decks20 decks
63%synergy
Rune of Sustenance
65%inclusion13 decks20 decks
63%synergy
Galvanic Arc
60%inclusion12 decks20 decks
60%synergy
Roadside Assistance
57%inclusion8 decks14 decks
57%synergy
Knightly Valor
55%inclusion11 decks20 decks
55%synergy
Gift of Wrath
50%inclusion10 decks20 decks
50%synergy
Feather of Flight
50%inclusion10 decks20 decks
48%synergy
Frenzied Fugue
45%inclusion9 decks20 decks
45%synergy
Martyr's Cause
45%inclusion9 decks20 decks
44%synergy
Fanatical Devotion
45%inclusion9 decks20 decks
44%synergy
Grim Reaper's Sprint
40%inclusion8 decks20 decks
38%synergy
Unquestioned Authority
40%inclusion8 decks20 decks
37%synergy
Squee's Embrace
35%inclusion7 decks20 decks
34%synergy
Impact Tremors
35%inclusion7 decks20 decks
19%synergy
Historian's Boon
30%inclusion6 decks20 decks
30%synergy
Darksteel Mutation
30%inclusion6 decks20 decks
26%synergy
Pain for All
27%inclusion3 decks11 decks
25%synergy
Chosen by Heliod
25%inclusion5 decks20 decks
25%synergy
Demonic Ruckus
25%inclusion5 decks20 decks
24%synergy
Soul-Strike Technique
20%inclusion4 decks20 decks
20%synergy
Fighter Class
20%inclusion4 decks20 decks
9%synergy
Sigarda's Aid
20%inclusion4 decks20 decks
7%synergy
Boon of the Spirit Realm
15%inclusion3 decks20 decks
15%synergy
Shardmage's Rescue
15%inclusion3 decks20 decks
14%synergy
Utility Lands
Axgard Armory
65%inclusion13 decks20 decks
56%synergy
Hall of Heliod's Generosity
55%inclusion11 decks20 decks
53%synergy
High Market
25%inclusion5 decks20 decks
24%synergy
Eiganjo, Seat of the Empire
25%inclusion5 decks20 decks
12%synergy
Command Beacon
20%inclusion4 decks20 decks
15%synergy
Urza's Saga
20%inclusion4 decks20 decks
10%synergy
Castle Ardenvale
15%inclusion3 decks20 decks
7%synergy
Sokenzan, Crucible of Defiance
15%inclusion3 decks20 decks
6%synergy
Mana Artifacts
Arcane Signet
80%inclusion16 decks20 decks
0%synergy
Sol Ring
75%inclusion15 decks20 decks
-10%synergy
Talisman of Conviction
70%inclusion14 decks20 decks
18%synergy
Boros Signet
50%inclusion10 decks20 decks
-1%synergy
Fellwar Stone
30%inclusion6 decks20 decks
6%synergy
Thought Vessel
25%inclusion5 decks20 decks
10%synergy
Mind Stone
25%inclusion5 decks20 decks
0%synergy
Lands
Clifftop Retreat
85%inclusion17 decks20 decks
20%synergy
Command Tower
85%inclusion17 decks20 decks
-1%synergy
Sacred Foundry
80%inclusion16 decks20 decks
34%synergy
Rugged Prairie
75%inclusion15 decks20 decks
33%synergy
Battlefield Forge
75%inclusion15 decks20 decks
19%synergy
Sundown Pass
70%inclusion14 decks20 decks
34%synergy
Furycalm Snarl
70%inclusion14 decks20 decks
26%synergy
Spectator Seating
65%inclusion13 decks20 decks
26%synergy
Sunbaked Canyon
60%inclusion12 decks20 decks
43%synergy
Needleverge Pathway
60%inclusion12 decks20 decks
34%synergy
Sunscorched Divide
55%inclusion11 decks20 decks
35%synergy
Arid Mesa
55%inclusion11 decks20 decks
26%synergy
Temple of Triumph
45%inclusion9 decks20 decks
7%synergy
Sunbillow Verge
40%inclusion6 decks15 decks
17%synergy
Exotic Orchard
40%inclusion8 decks20 decks
11%synergy
Wooded Foothills
30%inclusion6 decks20 decks
25%synergy
Prismatic Vista
30%inclusion6 decks20 decks
24%synergy
Windswept Heath
30%inclusion6 decks20 decks
24%synergy
Elegant Parlor
30%inclusion6 decks20 decks
11%synergy
Radiant Summit
27%inclusion3 decks11 decks
9%synergy
Evolving Wilds
25%inclusion5 decks20 decks
6%synergy
City of Brass
20%inclusion4 decks20 decks
16%synergy
Scalding Tarn
20%inclusion4 decks20 decks
15%synergy
Flooded Strand
20%inclusion4 decks20 decks
14%synergy
Marsh Flats
20%inclusion4 decks20 decks
14%synergy
Mana Confluence
15%inclusion3 decks20 decks
11%synergy
Bloodstained Mire
15%inclusion3 decks20 decks
8%synergy
Plateau
15%inclusion3 decks20 decks
3%synergy
Terramorphic Expanse
15%inclusion3 decks20 decks
1%synergy
Inspiring Vantage
15%inclusion3 decks20 decks
-2%synergy