Cass, Hand of Vengeance
Griffin Guide
Altar of Dementia

   Prerequisites

What do I need to start this combo?
All permanents on the battlefield.
Griffin Guide attached to another creature you control. You control an additional creature beyond those included above and the one that has Griffin Guide attached.

   Steps

How does this combo work?
1
Activate Altar of Dementia by sacrificing the creature with Griffin Guide attached.
2
When the creature dies, Cass and Griffin Guide trigger.
3
Resolve the Griffin Guide trigger, creating a 2/2 Griffin creature token.
4
Resolve the Cass trigger, returning Griffin Guide from your graveyard to the battlefield attached to another creature you control.
5
Resolve the Altar of Dementia ability
6
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
14%inclusion57 decks415 decks
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Enchantments
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Chosen by Heliod
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27%synergy
Darksteel Mutation
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22%synergy
Martyr's Cause
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25%synergy
Grim Reaper's Sprint
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25%synergy
Demonic Ruckus
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24%synergy
Sigarda's Aid
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All That Glitters
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19%synergy
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20%synergy
Historian's Boon
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20%synergy
Ethereal Armor
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17%synergy
Fighter Class
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17%synergy
Sheltered by Ghosts
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18%synergy
Warleader's Call
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6%synergy
Timely Ward
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10%synergy
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Trouble in Pairs
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Dog Umbra
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Hyena Umbra
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Boon of the Spirit Realm
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Shielded by Faith
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Pariah
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Security Blockade
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Shifting Shadow
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Pentarch Ward
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Cathar's Call
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Felidar Umbra
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Idolized
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Curse of Opulence
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Utility Lands
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42%synergy
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33%synergy
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-11%synergy
Urza's Saga
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10%synergy
High Market
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13%synergy
Eiganjo, Seat of the Empire
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8%synergy
Scavenger Grounds
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8%synergy
Rogue's Passage
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Roadside Reliquary
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10%synergy
Ishgard, the Holy See
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7%synergy
War Room
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3%synergy
Kher Keep
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5%synergy
Sokenzan, Crucible of Defiance
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3%synergy
Castle Ardenvale
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2%synergy
Command Beacon
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0%synergy
Slayers' Stronghold
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0%synergy
Mana Artifacts
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30%synergy
Mind Stone
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Fellwar Stone
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Thought Vessel
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6%synergy
Cursed Mirror
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6%synergy
Paradise Mantle
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6%synergy
Prismatic Lens
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4%synergy
Liquimetal Torque
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2%synergy
Mox Opal
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1%synergy
Commander's Sphere
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-7%synergy
Lands
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0%synergy
Clifftop Retreat
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31%synergy
Battlefield Forge
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34%synergy
Sacred Foundry
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21%synergy
Rugged Prairie
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41%synergy
Spectator Seating
51%inclusion30 decks59 decks
28%synergy
Sundown Pass
47%inclusion28 decks59 decks
32%synergy
Furycalm Snarl
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30%synergy
Arid Mesa
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27%synergy
Temple of Triumph
34%inclusion20 decks59 decks
18%synergy
Sunbaked Canyon
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26%synergy
Sunscorched Divide
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24%synergy
Needleverge Pathway
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23%synergy
Exotic Orchard
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-9%synergy
Elegant Parlor
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18%synergy
Sunbillow Verge
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16%synergy
Prismatic Vista
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19%synergy
Boros Garrison
20%inclusion12 decks59 decks
8%synergy
Evolving Wilds
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-2%synergy
Windswept Heath
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6%synergy
Plateau
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5%synergy
Radiant Summit
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11%synergy
Inspiring Vantage
15%inclusion9 decks59 decks
11%synergy
Wooded Foothills
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4%synergy
Marsh Flats
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3%synergy
Scalding Tarn
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3%synergy
Myriad Landscape
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-2%synergy
Flooded Strand
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0%synergy
Terramorphic Expanse
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-3%synergy
Bloodstained Mire
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-1%synergy
Sacred Peaks
8.5%inclusion5 decks59 decks
4%synergy
Mana Confluence
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1%synergy
City of Brass
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1%synergy
Rustvale Bridge
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1%synergy
Fabled Passage
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-3%synergy
Wind-Scarred Crag
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-2%synergy