Cass, Hand of Vengeance
Altar of Dementia
Historian's Boon

   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, Historian's Boon triggers, creating a creature token.
4
Resolve the Altar of Dementia ability.
5
Repeat.

   Results

What do I get from this combo?
Infinite ETB
Infinite LTB
Infinite death triggers
Infinite mill
Infinite sacrifice triggers
Infinite self-mill
Cass, Hand of Vengeance
2.9%inclusion12 decks411 decks
High Synergy Cards
Squire's Devotion
100%inclusion12 decks12 decks
99%synergy
Nurturing Presence
100%inclusion12 decks12 decks
99%synergy
Cartouche of Solidarity
100%inclusion12 decks12 decks
99%synergy
Goblin Bombardment
100%inclusion12 decks12 decks
94%synergy
Valor of the Worthy
92%inclusion11 decks12 decks
91%synergy
Griffin Guide
92%inclusion11 decks12 decks
91%synergy
Murder Investigation
92%inclusion11 decks12 decks
91%synergy
Rune of Speed
92%inclusion11 decks12 decks
91%synergy
Archon of Sun's Grace
92%inclusion11 decks12 decks
90%synergy
Betrothed of Fire
83%inclusion10 decks12 decks
83%synergy
Top Cards
Forgeborn Oreads
83%inclusion10 decks12 decks
83%synergy
Blasting Station
83%inclusion10 decks12 decks
83%synergy
Ajani's Chosen
83%inclusion10 decks12 decks
82%synergy
Mesa Enchantress
83%inclusion10 decks12 decks
82%synergy
Etali's Favor
83%inclusion10 decks12 decks
81%synergy
Sram, Senior Edificer
83%inclusion10 decks12 decks
64%synergy
Roadside Assistance
80%inclusion8 decks10 decks
79%synergy
Knight of Doves
75%inclusion9 decks12 decks
75%synergy
Kor Spiritdancer
75%inclusion9 decks12 decks
74%synergy
Phyrexian Altar
75%inclusion9 decks12 decks
73%synergy
Game Changers
Enlightened Tutor
25%inclusion3 decks12 decks
9%synergy
Creatures
Light-Paws, Emperor's Voice
67%inclusion8 decks12 decks
66%synergy
Transcendent Envoy
67%inclusion8 decks12 decks
65%synergy
Kellan, the Fae-Blooded
67%inclusion8 decks12 decks
59%synergy
Bogardan Dragonheart
58%inclusion7 decks12 decks
58%synergy
Heliod's Pilgrim
58%inclusion7 decks12 decks
57%synergy
Starfield Mystic
58%inclusion7 decks12 decks
57%synergy
Ghostly Dancers
55%inclusion6 decks11 decks
54%synergy
Pearl-Ear, Imperial Advisor
45%inclusion5 decks11 decks
44%synergy
Hero of Iroas
42%inclusion5 decks12 decks
41%synergy
Voice of Victory
38%inclusion3 decks8 decks
30%synergy
Moon-Blessed Cleric
33%inclusion4 decks12 decks
32%synergy
Danitha Capashen, Paragon
33%inclusion4 decks12 decks
22%synergy
Brotherhood Outcast
25%inclusion3 decks12 decks
24%synergy
Danitha, Benalia's Hope
25%inclusion3 decks12 decks
23%synergy
Simian Spirit Guide
25%inclusion3 decks12 decks
21%synergy
Codsworth, Handy Helper
25%inclusion3 decks12 decks
18%synergy
Instants
Chaos Warp
58%inclusion7 decks12 decks
27%synergy
Path to Exile
58%inclusion7 decks12 decks
2%synergy
Swords to Plowshares
58%inclusion7 decks12 decks
-8%synergy
Reprieve
42%inclusion5 decks12 decks
33%synergy
Generous Gift
42%inclusion5 decks12 decks
8%synergy
Silence
33%inclusion4 decks12 decks
28%synergy
Stroke of Midnight
33%inclusion4 decks12 decks
16%synergy
Boros Charm
33%inclusion4 decks12 decks
-15%synergy
Wear // Tear
25%inclusion3 decks12 decks
4%synergy
Sorceries
Open the Armory
67%inclusion8 decks12 decks
53%synergy
Idyllic Tutor
25%inclusion3 decks12 decks
22%synergy
Sevinne's Reclamation
25%inclusion3 decks12 decks
13%synergy
Austere Command
25%inclusion3 decks12 decks
9%synergy
Utility Artifacts
Ashnod's Altar
75%inclusion9 decks12 decks
71%synergy
Mask of Immolation
67%inclusion8 decks12 decks
66%synergy
Mortarpod
50%inclusion6 decks12 decks
50%synergy
Lightning Greaves
50%inclusion6 decks12 decks
21%synergy
Spawning Pit
42%inclusion5 decks12 decks
41%synergy
Altar of the Brood
33%inclusion4 decks12 decks
33%synergy
Skullclamp
33%inclusion4 decks12 decks
18%synergy
Grafted Wargear
25%inclusion3 decks12 decks
24%synergy
Swiftfoot Boots
25%inclusion3 decks12 decks
-19%synergy
Enchantments
Gift of Immortality
75%inclusion9 decks12 decks
73%synergy
Sticky Fingers
75%inclusion9 decks12 decks
72%synergy
Knightly Valor
67%inclusion8 decks12 decks
66%synergy
Fanatical Devotion
67%inclusion8 decks12 decks
66%synergy
Angelic Gift
67%inclusion8 decks12 decks
65%synergy
Rune of Sustenance
67%inclusion8 decks12 decks
64%synergy
Gift of Wrath
58%inclusion7 decks12 decks
58%synergy
Frenzied Fugue
58%inclusion7 decks12 decks
58%synergy
Galvanic Arc
58%inclusion7 decks12 decks
58%synergy
Dragon Mantle
58%inclusion7 decks12 decks
57%synergy
Mantle of the Ancients
58%inclusion7 decks12 decks
53%synergy
Martyr's Cause
50%inclusion6 decks12 decks
49%synergy
Sage's Reverie
50%inclusion6 decks12 decks
48%synergy
Pain for All
50%inclusion3 decks6 decks
48%synergy
Soul-Strike Technique
42%inclusion5 decks12 decks
42%synergy
Unquestioned Authority
42%inclusion5 decks12 decks
39%synergy
Impact Tremors
42%inclusion5 decks12 decks
26%synergy
Chosen by Heliod
33%inclusion4 decks12 decks
33%synergy
Feather of Flight
27%inclusion3 decks11 decks
26%synergy
Sheltered by Ghosts
27%inclusion3 decks11 decks
22%synergy
Squee's Embrace
25%inclusion3 decks12 decks
24%synergy
Hyena Umbra
25%inclusion3 decks12 decks
23%synergy
Darksteel Mutation
25%inclusion3 decks12 decks
21%synergy
Utility Lands
Hall of Heliod's Generosity
42%inclusion5 decks12 decks
39%synergy
Axgard Armory
33%inclusion4 decks12 decks
24%synergy
Eiganjo, Seat of the Empire
33%inclusion4 decks12 decks
20%synergy
Mana Artifacts
Sol Ring
92%inclusion11 decks12 decks
6%synergy
Arcane Signet
83%inclusion10 decks12 decks
4%synergy
Talisman of Conviction
75%inclusion9 decks12 decks
23%synergy
Thought Vessel
42%inclusion5 decks12 decks
27%synergy
Fellwar Stone
42%inclusion5 decks12 decks
17%synergy
Boros Signet
42%inclusion5 decks12 decks
-10%synergy
Mind Stone
25%inclusion3 decks12 decks
0%synergy
Lands
Clifftop Retreat
92%inclusion11 decks12 decks
27%synergy
Command Tower
92%inclusion11 decks12 decks
6%synergy
Rugged Prairie
83%inclusion10 decks12 decks
42%synergy
Battlefield Forge
75%inclusion9 decks12 decks
19%synergy
Sunbaked Canyon
67%inclusion8 decks12 decks
50%synergy
Sundown Pass
58%inclusion7 decks12 decks
23%synergy
Spectator Seating
58%inclusion7 decks12 decks
19%synergy
Sacred Foundry
58%inclusion7 decks12 decks
13%synergy
Sunscorched Divide
50%inclusion6 decks12 decks
30%synergy
Needleverge Pathway
50%inclusion6 decks12 decks
24%synergy
Furycalm Snarl
50%inclusion6 decks12 decks
6%synergy
Temple of Triumph
42%inclusion5 decks12 decks
4%synergy
Boros Garrison
42%inclusion5 decks12 decks
3%synergy
Sunbillow Verge
40%inclusion4 decks10 decks
17%synergy
Prismatic Vista
33%inclusion4 decks12 decks
27%synergy
Elegant Parlor
33%inclusion4 decks12 decks
14%synergy
Arid Mesa
33%inclusion4 decks12 decks
5%synergy
Exotic Orchard
33%inclusion4 decks12 decks
4%synergy
Wooded Foothills
25%inclusion3 decks12 decks
20%synergy
Windswept Heath
25%inclusion3 decks12 decks
19%synergy
Inspiring Vantage
25%inclusion3 decks12 decks
9%synergy
Evolving Wilds
25%inclusion3 decks12 decks
5%synergy