Cloudstone Curio + Phyrexian Altar + Underworld Hermit

Cloudstone Curio
Phyrexian Altar
Underworld Hermit

Requires
Cloudstone Curio must be on the battlefield. Phyrexian Altar must be on the battlefield. Underworld Hermit must be in hand. Your devotion to black is at least four. Mana needed: 4
Steps
  1. Cast Underworld Hermit by paying 4.
  2. When Underworld Hermit enters the battlefield, it and Cloudstone Curio trigger.
  3. Resolve the Cloudstone Curio trigger, choosing to return nothing to your hand from the battlefield.
  4. Resolve the Underworld Hermit trigger, creating a number of 1/1 Squirrel creature tokens equal to your devotion to black.
  5. When the Squirrels enter the battlefield, Cloudstone Curio triggers that many times.
  6. Resolve the first Cloudstone Curio trigger, returning Underworld Hermit to your hand from the battlefield.
  7. Resolve all remaining Cloudstone Curio triggers, choosing to return nothing to your hand from the battlefield.
  8. Activate Phyrexian Altar six times by sacrificing six Squirrels, adding 4.
  9. Repeat.
  10. If your devotion to black excluding Underworld Hermit is at least five, this combo will net infinite colored mana.
Results
Infinite colored mana. Infinite creature tokens. Infinite death triggers. Infinite ETB. Infinite LTB. Infinite sacrifice triggers. Infinite storm count.

Grenzo, Dungeon Warden
0.15% of 3292 decks 5 decks
Chatterfang, Squirrel General
0.01% of 16809 decks 1 decks
Livio, Oathsworn Sentinel // Nadier, Agent of the Duskenel
2.78% of 36 decks 1 decks
Mazirek, Kraul Death Priest
0.05% of 2010 decks 1 decks
High Synergy Cards
_____ Goblin
100% of 5 decks +100% synergy
Fire Prophecy
100% of 5 decks +100% synergy
Priest of Urabrask
100% of 5 decks +100% synergy
Emrakul's Hatcher
100% of 5 decks +100% synergy
Treasonous Ogre
100% of 5 decks +98% synergy
Goblin Engineer
100% of 5 decks +97% synergy
Dualcaster Mage
100% of 5 decks +95% synergy
Simian Spirit Guide
100% of 5 decks +95% synergy
Pyroblast
100% of 5 decks +94% synergy
Red Elemental Blast
100% of 5 decks +93% synergy
Top Cards
Valakut Awakening
100% of 5 decks +94% synergy
Ragavan, Nimble Pilferer
100% of 5 decks +92% synergy
Professional Face-Breaker
100% of 5 decks +91% synergy
Abrade
100% of 5 decks +89% synergy
Dockside Extortionist
100% of 5 decks +88% synergy
Deflecting Swat
100% of 5 decks +84% synergy
Jeska's Will
100% of 5 decks +83% synergy
Thermopod
80% of 5 decks +80% synergy
Volcanic Spite
80% of 5 decks +80% synergy
Flayer of the Hatebound
80% of 5 decks +79% synergy
Creatures
Luminate Primordial
100% of 1 decks +100% synergy
Skittering Precursor
100% of 1 decks +100% synergy
Lena, Selfless Champion
100% of 1 decks +100% synergy
Stonehorn Dignitary
100% of 1 decks +99% synergy
Kutzil's Flanker
100% of 1 decks +99% synergy
Angel of Invention
100% of 1 decks +99% synergy
Squirrel Sovereign
100% of 2 decks +99% synergy
Leonin Relic-Warder
100% of 1 decks +99% synergy
Drey Keeper
100% of 2 decks +99% synergy
Ashen Rider
100% of 1 decks +99% synergy
Preston, the Vanisher
100% of 1 decks +99% synergy
Angel of Serenity
100% of 1 decks +99% synergy
Eldrazi Displacer
100% of 1 decks +98% synergy
Ivy Lane Denizen
100% of 2 decks +98% synergy
Solitude
100% of 1 decks +98% synergy
Reveillark
100% of 1 decks +98% synergy
Flickerwisp
100% of 1 decks +98% synergy
Charming Prince
100% of 1 decks +98% synergy
Restoration Angel
100% of 1 decks +97% synergy
Thornvault Forager
100% of 1 decks +97% synergy
Angel of the Ruins
100% of 1 decks +97% synergy
Ravenous Squirrel
100% of 2 decks +97% synergy
Recruiter of the Guard
100% of 1 decks +97% synergy
Skyclave Apparition
100% of 1 decks +97% synergy
Elesh Norn, Mother of Machines
100% of 1 decks +95% synergy
Jaheira, Friend of the Forest
100% of 2 decks +95% synergy
Peregrin Took
100% of 1 decks +95% synergy
Elesh Norn, Grand Cenobite
100% of 1 decks +94% synergy
Imperial Recruiter
100% of 5 decks +94% synergy
Pinnacle Monk
100% of 1 decks +93% synergy
Loran of the Third Path
100% of 1 decks +93% synergy
Camellia, the Seedmiser
100% of 1 decks +93% synergy
Sun Titan
100% of 1 decks +90% synergy
Tireless Provisioner
100% of 2 decks +89% synergy
Lotho, Corrupt Shirriff
100% of 1 decks +85% synergy
Esper Sentinel
100% of 1 decks +79% synergy
Zealous Conscripts
80% of 5 decks +78% synergy
Goblin Matron
80% of 5 decks +78% synergy
Siege-Gang Commander
80% of 5 decks +78% synergy
Skirk Prospector
80% of 5 decks +77% synergy
Kiki-Jiki, Mirror Breaker
80% of 5 decks +76% synergy
Orcish Bowmasters
71% of 7 decks +60% synergy
Tomb Trawler
67% of 3 decks +67% synergy
Workhorse
62% of 8 decks +62% synergy
Priest of Gix
62% of 8 decks +62% synergy
Murderous Rider
62% of 8 decks +60% synergy
Marionette Master
62% of 8 decks +59% synergy
Grim Hireling
62% of 8 decks +58% synergy
Opposition Agent
62% of 8 decks +55% synergy
Pitiless Plunderer
62% of 8 decks +55% synergy
Instants
Lae'zel's Acrobatics
100% of 1 decks +98% synergy
Semester's End
100% of 1 decks +98% synergy
Eerie Interlude
100% of 1 decks +96% synergy
Second Harvest
100% of 2 decks +95% synergy
Ephemerate
100% of 1 decks +94% synergy
Worldly Tutor
100% of 2 decks +86% synergy
Teferi's Protection
100% of 1 decks +80% synergy
Anguished Unmaking
100% of 1 decks +76% synergy
Vampiric Tutor
88% of 8 decks +69% synergy
Fire Covenant
80% of 5 decks +77% synergy
Bolt Bend
80% of 5 decks +76% synergy
Dark Ritual
75% of 8 decks +53% synergy
Verdant Command
50% of 2 decks +49% synergy
Jaheira's Respite
50% of 2 decks +49% synergy
Deathsprout
50% of 2 decks +46% synergy
Noxious Revival
50% of 2 decks +44% synergy
Chord of Calling
50% of 2 decks +44% synergy
Crop Rotation
50% of 2 decks +40% synergy
Heroic Intervention
50% of 2 decks +20% synergy
Assassin's Trophy
50% of 2 decks +20% synergy
Beast Within
50% of 2 decks +11% synergy
Dismember
38% of 8 decks +35% synergy
Culling the Weak
38% of 8 decks +34% synergy
Saw in Half
25% of 8 decks +22% synergy
Bitter Triumph
25% of 4 decks +20% synergy
Deadly Rollick
25% of 8 decks +14% synergy
Burnt Offering
20% of 5 decks +18% synergy
Seething Song
20% of 5 decks +14% synergy
Sheoldred's Edict
14% of 7 decks +11% synergy
Corrupted Conviction
14% of 7 decks +9% synergy
Body Count
12% of 8 decks +12% synergy
Imp's Mischief
12% of 8 decks +10% synergy
Go for the Throat
12% of 8 decks +5% synergy
Entomb
12% of 8 decks +5% synergy
Malakir Rebirth
12% of 8 decks +4% synergy
Sorceries
Emeria's Call
100% of 1 decks +98% synergy
Revive the Shire
100% of 1 decks +98% synergy
Many Partings
100% of 1 decks +98% synergy
Molten Duplication
100% of 2 decks +97% synergy
Kaya's Wrath
100% of 1 decks +97% synergy
For the Common Good
100% of 1 decks +96% synergy
Merciless Eviction
100% of 1 decks +95% synergy
Damn
100% of 1 decks +84% synergy
Gamble
80% of 5 decks +70% synergy
Imperial Seal
75% of 8 decks +69% synergy
Diabolic Intent
75% of 8 decks +66% synergy
Doomsday
62% of 8 decks +62% synergy
Demonic Tutor
62% of 8 decks +40% synergy
Parallel Evolution
50% of 2 decks +50% synergy
Acorn Harvest
50% of 2 decks +50% synergy
Chatterstorm
50% of 2 decks +49% synergy
Season of Loss
50% of 2 decks +48% synergy
Cultivate
50% of 2 decks +4% synergy
Heat Shimmer
40% of 5 decks +39% synergy
Twinflame
40% of 5 decks +37% synergy
Shatterskull Smashing
40% of 5 decks +37% synergy
Agadeem's Awakening
38% of 8 decks +34% synergy
Wheel of Fortune
20% of 5 decks +15% synergy
Damnation
12% of 8 decks +5% synergy
Utility Artifacts
Chitterspitter
100% of 2 decks +99% synergy
Ashnod's Altar
75% of 8 decks +67% synergy
Wishclaw Talisman
62% of 8 decks +57% synergy
The One Ring
57% of 7 decks +48% synergy
Bow of Nylea
50% of 2 decks +48% synergy
Defense Grid
38% of 8 decks +37% synergy
Heartstone
25% of 8 decks +24% synergy
Acorn Catapult
12% of 8 decks +12% synergy
Conjurer's Bauble
12% of 8 decks +12% synergy
Ensnaring Bridge
12% of 8 decks +12% synergy
Grinding Station
12% of 8 decks +12% synergy
Obelisk of Urd
12% of 8 decks +12% synergy
Eldrazi Monument
12% of 8 decks +11% synergy
Coat of Arms
12% of 8 decks +11% synergy
Sword of Hearth and Home
12% of 8 decks +10% synergy
Isochron Scepter
12% of 8 decks +10% synergy
Maskwood Nexus
12% of 8 decks +10% synergy
Hedron Archive
12% of 8 decks +10% synergy
Panharmonicon
12% of 8 decks +8% synergy
Skullclamp
12% of 8 decks +0% synergy
Lightning Greaves
12% of 8 decks -13% synergy
Swiftfoot Boots
12% of 8 decks -15% synergy
Enchantments
Squirrel Sanctuary
100% of 2 decks +100% synergy
Cloakwood Hermit
100% of 2 decks +99% synergy
Squirrel Nest
100% of 2 decks +99% synergy
Teleportation Circle
100% of 1 decks +96% synergy
Smothering Tithe
100% of 1 decks +75% synergy
Fecundity
50% of 2 decks +49% synergy
Chthonian Nightmare
50% of 2 decks +47% synergy
Asceticism
50% of 2 decks +47% synergy
Primal Vigor
50% of 2 decks +47% synergy
Journey to Eternity
50% of 2 decks +47% synergy
Parallel Lives
50% of 2 decks +43% synergy
Doubling Season
50% of 2 decks +41% synergy
The Meathook Massacre
25% of 8 decks +20% synergy
Underworld Breach
20% of 5 decks +14% synergy
Tainted Remedy
12% of 8 decks +12% synergy
Revel in Riches
12% of 8 decks +9% synergy
Dictate of Erebos
12% of 8 decks +9% synergy
Grave Pact
12% of 8 decks +8% synergy
Black Market
12% of 8 decks +8% synergy
Bastion of Remembrance
12% of 8 decks +6% synergy
Black Market Connections
12% of 8 decks +1% synergy
Phyrexian Arena
12% of 8 decks -3% synergy
Planeswalkers
Vraska, Golgari Queen
50% of 2 decks +47% synergy
Utility Lands
Castle Ardenvale
100% of 1 decks +95% synergy
Vault of the Archangel
100% of 1 decks +89% synergy
Urborg, Tomb of Yawgmoth
88% of 8 decks +78% synergy
Ancient Tomb
62% of 8 decks +52% synergy
Takenuma, Abandoned Mire
62% of 8 decks +52% synergy
Yavimaya Hollow
50% of 2 decks +49% synergy
Gaea's Cradle
50% of 2 decks +44% synergy
Three Tree City
50% of 2 decks +40% synergy
Command Beacon
38% of 8 decks +33% synergy
Yavimaya, Cradle of Growth
25% of 8 decks +16% synergy
Barad-dûr
14% of 7 decks +11% synergy
Zhalfirin Void
12% of 8 decks +12% synergy
Westvale Abbey
12% of 8 decks +10% synergy
Shizo, Death's Storehouse
12% of 8 decks +8% synergy
Phyrexian Tower
12% of 8 decks +4% synergy
Reliquary Tower
12% of 8 decks -17% synergy
Bojuka Bog
12% of 8 decks -18% synergy
Mana Artifacts
Talisman of Hierarchy
100% of 1 decks +76% synergy
Sol Ring
88% of 8 decks +3% synergy
Jeweled Lotus
75% of 8 decks +69% synergy
Mana Crypt
75% of 8 decks +67% synergy
Arcane Signet
75% of 8 decks +3% synergy
Chrome Mox
62% of 8 decks +56% synergy
Mana Vault
62% of 8 decks +56% synergy
Lotus Petal
62% of 8 decks +56% synergy
Talisman of Indulgence
40% of 5 decks +14% synergy
Cursed Mirror
20% of 5 decks +15% synergy
Lion's Eye Diamond
12% of 8 decks +11% synergy
Mox Diamond
12% of 8 decks +8% synergy
Thran Dynamo
12% of 8 decks +8% synergy
Thought Vessel
12% of 8 decks -4% synergy
Mind Stone
12% of 8 decks -5% synergy
Lands
Silverquill Campus
100% of 1 decks +99% synergy
Snowfield Sinkhole
100% of 1 decks +97% synergy
Blackcleave Cliffs
100% of 5 decks +94% synergy
Mount Doom
100% of 5 decks +92% synergy
Blightstep Pathway
100% of 5 decks +90% synergy
Brightclimb Pathway
100% of 1 decks +90% synergy
Fetid Heath
100% of 1 decks +89% synergy
Shadowy Backstreet
100% of 1 decks +87% synergy
Badlands
100% of 5 decks +86% synergy
Orzhov Basilica
100% of 1 decks +84% synergy
Temple of Silence
100% of 1 decks +82% synergy
Sulfurous Springs
100% of 5 decks +80% synergy
Vault of Champions
100% of 1 decks +74% synergy
Luxury Suite
100% of 5 decks +74% synergy
Isolated Chapel
100% of 1 decks +72% synergy
Caves of Koilos
100% of 1 decks +72% synergy
Blood Crypt
100% of 5 decks +61% synergy
Godless Shrine
100% of 1 decks +59% synergy
Command Tower
88% of 8 decks +14% synergy
Marsh Flats
75% of 8 decks +64% synergy
Tarnished Citadel
62% of 8 decks +62% synergy
Gemstone Mine
62% of 8 decks +62% synergy
Gemstone Caverns
62% of 8 decks +58% synergy
Cavern of Souls
62% of 8 decks +56% synergy
Mana Confluence
62% of 8 decks +55% synergy
City of Brass
62% of 8 decks +54% synergy
Bloodstained Mire
62% of 8 decks +52% synergy
Arid Mesa
62% of 8 decks +52% synergy
Nurturing Peatland
50% of 2 decks +44% synergy
Raucous Theater
50% of 2 decks +37% synergy
Overgrown Tomb
50% of 2 decks +8% synergy
Prismatic Vista
38% of 8 decks +32% synergy
Verdant Catacombs
25% of 8 decks +14% synergy
Graven Cairns
20% of 5 decks +12% synergy
Shadowblood Ridge
20% of 5 decks +8% synergy
Temple of Malice
20% of 5 decks +6% synergy
The Mycosynth Gardens
14% of 7 decks +12% synergy
Crystal Grotto
12% of 8 decks +12% synergy
Fabled Passage
12% of 8 decks +3% synergy
Path of Ancestry
12% of 8 decks -9% synergy
Exotic Orchard
12% of 8 decks -23% synergy