Cayth, Famed Mechanist + Altar of Dementia

Cayth, Famed Mechanist
Altar of Dementia

Requires
Cayth, Famed Mechanist must be on the battlefield. Altar of Dementia must be on the battlefield. The persist creature does not have a -1/-1 counter on it.
Steps
  1. Activate Altar of Dementia by sacrificing the persist creature.
  2. When the persist creature dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it.
  3. When the persist creature enters the battlefield, its fabricate ability triggers, putting a +1/+1 counter on it.
  4. Resolve the Altar of Dementia ability, causing target player to mill cards equal to the persist creature's power.
  5. Repeat.
Results
Infinite death triggers. Infinite ETB. Infinite LTB. Infinite mill. Infinite sacrifice triggers. Infinite self-mill.

Cayth, Famed Mechanist
3.37% of 386 decks 13 decks
High Synergy Cards (10)
Goblin Bombardment
87% of 15 decks +83% synergy
Glen Elendra Archmage
73% of 15 decks +72% synergy
Impact Tremors
73% of 15 decks +69% synergy
River Kelpie
60% of 15 decks +60% synergy
Fabricate
60% of 15 decks +57% synergy
Path to Exile
73% of 15 decks +54% synergy
Enlightened Tutor
53% of 15 decks +45% synergy
Swords to Plowshares
73% of 15 decks +45% synergy
Purphoros, God of the Forge
47% of 15 decks +44% synergy
Arcane Denial
53% of 15 decks +44% synergy
Top Cards (10)
Ashnod's Altar
87% of 15 decks +79% synergy
Lesser Masticore
73% of 15 decks +73% synergy
Blasting Station
60% of 15 decks +59% synergy
Skullclamp
60% of 15 decks +47% synergy
Counterspell
53% of 15 decks +32% synergy
Panharmonicon
53% of 15 decks +49% synergy
Phyrexian Altar
53% of 15 decks +49% synergy
An Offer You Can't Refuse
47% of 15 decks +37% synergy
Cyclonic Rift
47% of 15 decks +32% synergy
Solemn Simulacrum
47% of 15 decks +32% synergy
Creatures (35)
Thought Monitor
47% of 15 decks +45% synergy
Thopter Engineer
40% of 15 decks +40% synergy
Trophy Mage
40% of 15 decks +39% synergy
Ingenious Artillerist
40% of 15 decks +39% synergy
Tribute Mage
40% of 15 decks +39% synergy
Oltec Matterweaver
40% of 10 decks +39% synergy
Urza, Lord High Artificer
40% of 15 decks +39% synergy
Kithkin Spellduster
33% of 15 decks +33% synergy
Furystoke Giant
33% of 15 decks +33% synergy
Losheel, Clockwork Scholar
33% of 15 decks +32% synergy
Reckless Fireweaver
33% of 15 decks +31% synergy
Esper Sentinel
33% of 15 decks +24% synergy
Thunderblust
27% of 15 decks +27% synergy
Twilight Shepherd
27% of 15 decks +27% synergy
Gold Myr
27% of 15 decks +25% synergy
Jhoira, Weatherlight Captain
27% of 15 decks +25% synergy
Silver Myr
27% of 15 decks +25% synergy
Mulldrifter
27% of 15 decks +23% synergy
Ornithopter of Paradise
27% of 15 decks +22% synergy
Dockside Extortionist
27% of 15 decks +19% synergy
Antler Skulkin
20% of 15 decks +20% synergy
Whitemane Lion
20% of 15 decks +19% synergy
Brudiclad, Telchor Engineer
20% of 15 decks +19% synergy
Enthusiastic Mechanaut
20% of 15 decks +19% synergy
Cyberman Patrol
20% of 15 decks +19% synergy
Junk Winder
20% of 15 decks +19% synergy
Felidar Guardian
20% of 15 decks +19% synergy
Iron Myr
20% of 15 decks +19% synergy
Steel Overseer
20% of 15 decks +18% synergy
Palladium Myr
20% of 15 decks +18% synergy
Elesh Norn, Mother of Machines
20% of 15 decks +17% synergy
Displacer Kitten
20% of 15 decks +17% synergy
Etherium Sculptor
20% of 15 decks +17% synergy
Ojer Taq, Deepest Foundation
20% of 15 decks +17% synergy
Mondrak, Glory Dominus
20% of 15 decks +15% synergy
Instants (11)
Whir of Invention
40% of 15 decks +38% synergy
Swan Song
40% of 15 decks +32% synergy
Dispatch
33% of 15 decks +31% synergy
Boros Charm
27% of 15 decks +21% synergy
Teferi's Protection
27% of 15 decks +17% synergy
Chaos Warp
27% of 15 decks +11% synergy
Demand Answers
21% of 14 decks +16% synergy
Muddle the Mixture
20% of 15 decks +17% synergy
Fierce Guardianship
20% of 15 decks +11% synergy
Brainstorm
20% of 15 decks +9% synergy
Negate
20% of 15 decks +9% synergy
Sorceries (8)
Thoughtcast
40% of 15 decks +38% synergy
Organic Extinction
33% of 15 decks +32% synergy
Gamble
33% of 15 decks +28% synergy
Jeska's Will
33% of 15 decks +25% synergy
Farewell
27% of 15 decks +20% synergy
Vandalblast
27% of 15 decks +18% synergy
Blasphemous Act
27% of 15 decks +10% synergy
Austere Command
20% of 15 decks +14% synergy
Utility Artifacts (7)
Lightning Greaves
47% of 15 decks +21% synergy
Cauldron of Souls
47% of 15 decks +46% synergy
Inspiring Statuary
47% of 15 decks +45% synergy
Idol of Oblivion
33% of 15 decks +29% synergy
The One Ring
27% of 15 decks +18% synergy
Altar of the Brood
20% of 15 decks +19% synergy
Wayfarer's Bauble
20% of 15 decks +9% synergy
Enchantments (6)
Warleader's Call
43% of 14 decks +40% synergy
Intruder Alarm
40% of 15 decks +39% synergy
Rhystic Study
40% of 15 decks +26% synergy
Smothering Tithe
33% of 15 decks +22% synergy
Thopter Spy Network
27% of 15 decks +25% synergy
Anointed Procession
27% of 15 decks +22% synergy
Utility Lands (8)
Reliquary Tower
40% of 15 decks +11% synergy
Otawara, Soaring City
33% of 15 decks +25% synergy
Seat of the Synod
27% of 15 decks +23% synergy
Great Furnace
20% of 15 decks +17% synergy
Inventors' Fair
20% of 15 decks +16% synergy
Darksteel Citadel
20% of 15 decks +16% synergy
Urza's Saga
20% of 15 decks +13% synergy
Ancient Tomb
20% of 15 decks +9% synergy
Mana Artifacts (9)
Arcane Signet
93% of 15 decks +22% synergy
Sol Ring
87% of 15 decks +2% synergy
Talisman of Creativity
73% of 15 decks +67% synergy
Talisman of Progress
67% of 15 decks +62% synergy
Fellwar Stone
67% of 15 decks +46% synergy
Talisman of Conviction
60% of 15 decks +55% synergy
Mox Opal
27% of 15 decks +22% synergy
Chromatic Lantern
27% of 15 decks +17% synergy
Everflowing Chalice
20% of 15 decks +15% synergy
Lands (37)
Command Tower
100% of 15 decks +27% synergy
Shivan Reef
73% of 15 decks +67% synergy
Sacred Foundry
73% of 15 decks +65% synergy
Steam Vents
73% of 15 decks +64% synergy
Hallowed Fountain
73% of 15 decks +64% synergy
Exotic Orchard
67% of 15 decks +32% synergy
Battlefield Forge
67% of 15 decks +61% synergy
Flooded Strand
67% of 15 decks +57% synergy
Arid Mesa
67% of 15 decks +56% synergy
Sea of Clouds
60% of 15 decks +54% synergy
Scalding Tarn
60% of 15 decks +49% synergy
Sulfur Falls
53% of 15 decks +47% synergy
Mystic Monastery
47% of 15 decks +44% synergy
Raugrin Triome
47% of 15 decks +44% synergy
Adarkar Wastes
47% of 15 decks +44% synergy
Glacial Fortress
47% of 15 decks +42% synergy
Spectator Seating
47% of 15 decks +41% synergy
Training Center
47% of 15 decks +40% synergy
Spire of Industry
40% of 15 decks +37% synergy
Clifftop Retreat
40% of 15 decks +34% synergy
Prairie Stream
33% of 15 decks +26% synergy
City of Brass
33% of 15 decks +25% synergy
Mystic Gate
27% of 15 decks +25% synergy
Path of Ancestry
27% of 15 decks +7% synergy
Ferrous Lake
23% of 13 decks +20% synergy
Cascade Bluffs
20% of 15 decks +17% synergy
Skycloud Expanse
20% of 15 decks +17% synergy
Plateau
20% of 15 decks +17% synergy
Tundra
20% of 15 decks +17% synergy
Volcanic Island
20% of 15 decks +17% synergy
Deserted Beach
20% of 15 decks +16% synergy
Mana Confluence
20% of 15 decks +12% synergy
Wooded Foothills
20% of 15 decks +10% synergy
Bloodstained Mire
20% of 15 decks +10% synergy
Windswept Heath
20% of 15 decks +10% synergy
Polluted Delta
20% of 15 decks +9% synergy
Marsh Flats
20% of 15 decks +8% synergy