Sigarda's Summons + Bishop of Wings + Cathars' Crusade + Altar of Dementia

Sigarda's Summons
Bishop of Wings
Cathars' Crusade
Altar of Dementia

Requires
Sigarda's Summons must be on the battlefield. Bishop of Wings must be on the battlefield. Cathars' Crusade must be on the battlefield. Altar of Dementia must be on the battlefield. You control an additional Angel.
Steps
  1. Activate Altar of Dementia by sacrificing an Angel.
  2. Bishop of Wings triggers, creating a 1/1 Spirit creature token.
  3. The Spirit enters the battlefield, triggering Cathars' Crusade, putting a +1/+1 counter on each creature you control.
  4. The Spirit token becomes a 4/4 Spirit Angel due to having a +1/+1 counter on it.
  5. Resolve Altar of Dementia's ability, causing target player to mill cards equal to the Angel's power.
  6. Activate Altar of Dementia by sacrificing the Spirit token.
  7. Repeat from step 2.
Results
Infinite +1/+1 counters. Infinite death triggers. Infinite ETB. Infinite LTB. Infinite mill. Infinite sacrifice triggers. Infinite self-mill.

Top Commanders (5)
Mikaeus, the Lunarch
0.35% of 286 decks 1 decks
Giada, Font of Hope
0.04% of 15001 decks 6 decks
Nalia de'Arnise
0.03% of 3785 decks 1 decks
Elesh Norn, Mother of Machines
0.02% of 5883 decks 1 decks
Derevi, Empyrial Tactician
0.02% of 5918 decks 1 decks
Top Cards (10)
Ashnod's Altar
90% of 10 decks +82% synergy
Phyrexian Altar
80% of 10 decks +76% synergy
Path to Exile
80% of 10 decks +61% synergy
Swords to Plowshares
80% of 10 decks +52% synergy
Herald of War
60% of 10 decks +59% synergy
Righteous Valkyrie
60% of 10 decks +59% synergy
Divine Visitation
60% of 10 decks +59% synergy
Avacyn, Angel of Hope
60% of 10 decks +58% synergy
Twilight Shepherd
50% of 10 decks +50% synergy
Youthful Valkyrie
50% of 10 decks +50% synergy
Creatures (50)
Nirkana Cutthroat
100% of 1 decks +100% synergy
Synod Artificer
100% of 1 decks +100% synergy
Acquisitions Expert
100% of 1 decks +100% synergy
Othelm, Sigardian Outcast
100% of 1 decks +100% synergy
Coffin Queen
100% of 1 decks +100% synergy
Malakir Blood-Priest
100% of 1 decks +100% synergy
Shaile, Dean of Radiance
100% of 1 decks +100% synergy
Safana, Calimport Cutthroat
100% of 1 decks +100% synergy
Zhentarim Bandit
100% of 1 decks +100% synergy
Barrowin of Clan Undurr
100% of 1 decks +100% synergy
Solemn Doomguide
100% of 1 decks +100% synergy
Trostani Discordant
100% of 1 decks +100% synergy
Xathrid Necromancer
100% of 1 decks +100% synergy
Burakos, Party Leader
100% of 1 decks +100% synergy
Felisa, Fang of Silverquill
100% of 1 decks +100% synergy
Bloodtracker
100% of 1 decks +100% synergy
Tymna the Weaver
100% of 1 decks +100% synergy
Edric, Spymaster of Trest
100% of 1 decks +99% synergy
Keen Duelist
100% of 1 decks +99% synergy
Liliana, Heretical Healer
100% of 1 decks +99% synergy
Graveshifter
100% of 1 decks +99% synergy
Fain, the Broker
100% of 1 decks +99% synergy
Emiel the Blessed
100% of 1 decks +99% synergy
Gisa, Glorious Resurrector
100% of 1 decks +99% synergy
Deadeye Navigator
100% of 1 decks +99% synergy
Varragoth, Bloodsky Sire
100% of 1 decks +99% synergy
Gonti, Lord of Luxury
100% of 1 decks +98% synergy
Noble Hierarch
100% of 1 decks +98% synergy
Ledger Shredder
100% of 1 decks +98% synergy
Faeburrow Elder
100% of 1 decks +97% synergy
Dauntless Dismantler
100% of 1 decks +97% synergy
Toski, Bearer of Secrets
100% of 1 decks +97% synergy
Avacyn's Pilgrim
100% of 1 decks +96% synergy
Faerie Mastermind
100% of 1 decks +96% synergy
Bloom Tender
100% of 1 decks +96% synergy
Kutzil, Malamet Exemplar
100% of 1 decks +95% synergy
Birds of Paradise
100% of 1 decks +88% synergy
Roaming Throne
100% of 1 decks +84% synergy
Omarthis, Ghostfire Initiate
50% of 2 decks +50% synergy
Angel of Vitality
50% of 10 decks +49% synergy
Linvala, Keeper of Silence
50% of 10 decks +49% synergy
Firemane Commando
50% of 4 decks +49% synergy
Serra Paragon
43% of 7 decks +42% synergy
Requiem Angel
40% of 10 decks +40% synergy
Starnheim Aspirant
40% of 10 decks +39% synergy
Resplendent Angel
40% of 10 decks +39% synergy
Angel of Destiny
40% of 10 decks +39% synergy
Lyra Dawnbringer
40% of 10 decks +39% synergy
Inspiring Overseer
40% of 10 decks +39% synergy
Archangel of Thune
40% of 10 decks +39% synergy
Instants (29)
Deadly Alliance
100% of 1 decks +100% synergy
Eladamri's Call
100% of 1 decks +97% synergy
Veil of Summer
100% of 1 decks +97% synergy
Force of Negation
100% of 1 decks +95% synergy
Pongify
100% of 1 decks +94% synergy
Mystical Tutor
100% of 1 decks +92% synergy
Arcane Denial
100% of 1 decks +91% synergy
Negate
100% of 1 decks +88% synergy
Cyclonic Rift
100% of 1 decks +86% synergy
Counterspell
100% of 1 decks +79% synergy
Generous Gift
50% of 10 decks +38% synergy
Rebuff the Wicked
40% of 10 decks +39% synergy
Akroma's Will
40% of 10 decks +36% synergy
Heliod's Intervention
30% of 10 decks +28% synergy
Enlightened Tutor
30% of 10 decks +22% synergy
Teferi's Protection
30% of 10 decks +21% synergy
Excise the Imperfect
25% of 4 decks +24% synergy
Charge of the Mites
20% of 5 decks +20% synergy
Mana Tithe
20% of 10 decks +19% synergy
Ephemerate
20% of 10 decks +17% synergy
Flawless Maneuver
20% of 10 decks +16% synergy
And They Shall Know No Fear
17% of 6 decks +16% synergy
Brave the Elements
10% of 10 decks +10% synergy
Fateful Absence
10% of 10 decks +9% synergy
Kabira Takedown
10% of 10 decks +9% synergy
Angel's Grace
10% of 10 decks +9% synergy
Cloudshift
10% of 10 decks +9% synergy
Sejiri Shelter
10% of 10 decks +8% synergy
Eerie Interlude
10% of 10 decks +8% synergy
Sorceries (25)
Airborne Aid
100% of 1 decks +100% synergy
Migratory Route
100% of 1 decks +100% synergy
Wargate
100% of 1 decks +100% synergy
Raise the Palisade
100% of 1 decks +98% synergy
Rampant Growth
100% of 1 decks +83% synergy
Farewell
40% of 10 decks +34% synergy
Starnheim Unleashed
30% of 10 decks +30% synergy
Entreat the Angels
30% of 10 decks +30% synergy
Emeria's Call
30% of 10 decks +29% synergy
Divine Reckoning
20% of 10 decks +19% synergy
Day of Judgment
20% of 10 decks +19% synergy
Idyllic Tutor
20% of 10 decks +17% synergy
Wrath of God
20% of 10 decks +17% synergy
Austere Command
20% of 10 decks +14% synergy
White Sun's Twilight
17% of 6 decks +15% synergy
Stick Together
12% of 8 decks +12% synergy
Damning Verdict
11% of 9 decks +10% synergy
Ascend from Avernus
11% of 9 decks +10% synergy
Balancing Act
10% of 10 decks +10% synergy
Ravnica at War
10% of 10 decks +10% synergy
Mass Calcify
10% of 10 decks +10% synergy
Akroma's Vengeance
10% of 10 decks +10% synergy
Hour of Revelation
10% of 10 decks +9% synergy
Doomskar
10% of 10 decks +9% synergy
Approach of the Second Sun
10% of 10 decks +8% synergy
Utility Artifacts (47)
The Millennium Calendar
100% of 1 decks +99% synergy
Oketra's Monument
50% of 10 decks +48% synergy
Maskwood Nexus
50% of 10 decks +47% synergy
The Book of Exalted Deeds
40% of 10 decks +39% synergy
The Ozolith
40% of 10 decks +36% synergy
Herald's Horn
40% of 10 decks +34% synergy
Halo Fountain
33% of 9 decks +32% synergy
Animation Module
30% of 10 decks +30% synergy
Blasting Station
30% of 10 decks +29% synergy
Alhammarret's Archive
30% of 10 decks +28% synergy
Lightning Greaves
30% of 10 decks +5% synergy
Heartstone
20% of 10 decks +19% synergy
Blade of the Bloodchief
20% of 10 decks +19% synergy
Thornbite Staff
20% of 10 decks +19% synergy
Krark-Clan Ironworks
20% of 10 decks +19% synergy
Illusionist's Bracers
20% of 10 decks +19% synergy
Pearl Medallion
20% of 10 decks +19% synergy
Nevinyrral's Disk
20% of 10 decks +19% synergy
Staff of Domination
20% of 10 decks +18% synergy
Archaeomancer's Map
20% of 10 decks +18% synergy
Aetherflux Reservoir
20% of 10 decks +16% synergy
Swiftfoot Boots
20% of 10 decks -8% synergy
Multiclass Baldric
12% of 8 decks +12% synergy
Nautiloid Ship
11% of 9 decks +11% synergy
General's Kabuto
10% of 10 decks +10% synergy
Salvaging Station
10% of 10 decks +10% synergy
Fabrication Module
10% of 10 decks +10% synergy
Helm of Kaldra
10% of 10 decks +10% synergy
Decoction Module
10% of 10 decks +10% synergy
Shield of Kaldra
10% of 10 decks +10% synergy
Sword of Kaldra
10% of 10 decks +10% synergy
Worldslayer
10% of 10 decks +10% synergy
The Immortal Sun
10% of 10 decks +9% synergy
Nim Deathmantle
10% of 10 decks +9% synergy
Codex Shredder
10% of 10 decks +9% synergy
Cosmos Elixir
10% of 10 decks +9% synergy
Dowsing Dagger
10% of 10 decks +9% synergy
Hammer of Nazahn
10% of 10 decks +8% synergy
Darksteel Plate
10% of 10 decks +8% synergy
Scroll Rack
10% of 10 decks +8% synergy
Loxodon Warhammer
10% of 10 decks +8% synergy
Bontu's Monument
10% of 10 decks +8% synergy
Urza's Incubator
10% of 10 decks +7% synergy
Shadowspear
10% of 10 decks +6% synergy
Whispersilk Cloak
10% of 10 decks +6% synergy
Sword of the Animist
10% of 10 decks +5% synergy
Sensei's Divining Top
10% of 10 decks +4% synergy
Enchantments (46)
Leyline of Singularity
100% of 1 decks +100% synergy
Haunted Crossroads
100% of 1 decks +100% synergy
Coastal Piracy
100% of 1 decks +99% synergy
Freed from the Real
100% of 1 decks +99% synergy
Leyline of Anticipation
100% of 1 decks +98% synergy
Necropotence
100% of 1 decks +97% synergy
Mirari's Wake
100% of 1 decks +97% synergy
Kindred Discovery
100% of 1 decks +97% synergy
Guardian Project
100% of 1 decks +96% synergy
Rhystic Study
100% of 1 decks +86% synergy
Ajani's Welcome
50% of 10 decks +49% synergy
Smothering Tithe
50% of 10 decks +38% synergy
Darksteel Mutation
40% of 10 decks +37% synergy
War of the Last Alliance
33% of 3 decks +32% synergy
Dawn of a New Age
33% of 3 decks +32% synergy
Angelic Accord
30% of 10 decks +29% synergy
Together Forever
30% of 10 decks +29% synergy
Cleric Class
30% of 10 decks +29% synergy
Land Tax
30% of 10 decks +27% synergy
Anointed Procession
30% of 10 decks +26% synergy
Ghostly Prison
30% of 10 decks +24% synergy
Folk Hero
25% of 8 decks +24% synergy
Resourceful Defense
22% of 9 decks +22% synergy
Divine Intervention
20% of 10 decks +20% synergy
Delaying Shield
20% of 10 decks +20% synergy
Sunbond
20% of 10 decks +20% synergy
Phyrexian Unlife
20% of 10 decks +20% synergy
Solemnity
20% of 10 decks +20% synergy
Oblivion Ring
20% of 10 decks +19% synergy
Luminarch Ascension
20% of 10 decks +19% synergy
Dawn of Hope
20% of 10 decks +19% synergy
Authority of the Consuls
20% of 10 decks +18% synergy
Sphere of Safety
20% of 10 decks +18% synergy
Skrelv's Hive
17% of 6 decks +15% synergy
Tenuous Truce
11% of 9 decks +11% synergy
Legion Loyalty
11% of 9 decks +10% synergy
Enduring Renewal
10% of 10 decks +10% synergy
Soulcatchers' Aerie
10% of 10 decks +10% synergy
Righteous Aura
10% of 10 decks +10% synergy
Angelic Chorus
10% of 10 decks +10% synergy
Pacifism
10% of 10 decks +10% synergy
Light of Promise
10% of 10 decks +10% synergy
True Conviction
10% of 10 decks +9% synergy
Court of Grace
10% of 10 decks +8% synergy
Teleportation Circle
10% of 10 decks +8% synergy
Felidar Retreat
10% of 10 decks +7% synergy
Planeswalkers (7)
Sorin, Vengeful Bloodlord
100% of 1 decks +99% synergy
Oko, Thief of Crowns
100% of 1 decks +99% synergy
Serra the Benevolent
30% of 10 decks +30% synergy
Archangel Elspeth
25% of 4 decks +24% synergy
Elspeth Resplendent
22% of 9 decks +22% synergy
Elspeth, Knight-Errant
10% of 10 decks +10% synergy
Elspeth, Sun's Champion
10% of 10 decks +8% synergy
Utility Lands (40)
Restless Anchorage
100% of 1 decks +99% synergy
Volrath's Stronghold
100% of 1 decks +99% synergy
Dryad Arbor
100% of 1 decks +98% synergy
Gavony Township
100% of 1 decks +98% synergy
Vault of the Archangel
100% of 1 decks +98% synergy
Cabal Coffers
100% of 1 decks +94% synergy
Takenuma, Abandoned Mire
100% of 1 decks +94% synergy
Otawara, Soaring City
100% of 1 decks +92% synergy
Boseiju, Who Endures
100% of 1 decks +91% synergy
Emeria, the Sky Ruin
50% of 10 decks +48% synergy
Nykthos, Shrine to Nyx
50% of 10 decks +44% synergy
Minas Tirith
33% of 3 decks +28% synergy
Seraph Sanctuary
30% of 10 decks +29% synergy
Lotus Field
30% of 10 decks +29% synergy
Secluded Steppe
30% of 10 decks +28% synergy
Eiganjo, Seat of the Empire
30% of 10 decks +25% synergy
War Room
30% of 10 decks +23% synergy
Reliquary Tower
30% of 10 decks +2% synergy
Windbrisk Heights
20% of 10 decks +18% synergy
Bonders' Enclave
20% of 10 decks +18% synergy
Castle Ardenvale
20% of 10 decks +18% synergy
Karn's Bastion
20% of 10 decks +15% synergy
Ancient Tomb
20% of 10 decks +9% synergy
The Fair Basilica
17% of 6 decks +16% synergy
Sandstone Bridge
10% of 10 decks +10% synergy
Kjeldoran Outpost
10% of 10 decks +10% synergy
Sejiri Steppe
10% of 10 decks +10% synergy
Lotus Vale
10% of 10 decks +10% synergy
New Benalia
10% of 10 decks +10% synergy
Idyllic Grange
10% of 10 decks +10% synergy
Eiganjo Castle
10% of 10 decks +9% synergy
Glacial Chasm
10% of 10 decks +9% synergy
Mutavault
10% of 10 decks +9% synergy
Radiant Fountain
10% of 10 decks +9% synergy
Hall of Heliod's Generosity
10% of 10 decks +7% synergy
Strip Mine
10% of 10 decks +7% synergy
Urza's Saga
10% of 10 decks +3% synergy
Temple of the False God
10% of 10 decks +0% synergy
Urborg, Tomb of Yawgmoth
10% of 10 decks -0% synergy
Rogue's Passage
10% of 10 decks -9% synergy
Mana Artifacts (11)
Sol Ring
70% of 10 decks -14% synergy
Arcane Signet
50% of 10 decks -21% synergy
Nyx Lotus
20% of 10 decks +18% synergy
Commander's Sphere
20% of 10 decks +3% synergy
Sarevok's Tome
12% of 8 decks +12% synergy
Chromatic Orrery
10% of 10 decks +8% synergy
Marble Diamond
10% of 10 decks +8% synergy
Chromatic Lantern
10% of 10 decks +1% synergy
Mana Crypt
10% of 10 decks -1% synergy
Mind Stone
10% of 10 decks -8% synergy
Fellwar Stone
10% of 10 decks -11% synergy
Lands (39)
Fetid Heath
100% of 1 decks +98% synergy
Brightclimb Pathway
100% of 1 decks +97% synergy
Shineshadow Snarl
100% of 1 decks +97% synergy
Tainted Field
100% of 1 decks +97% synergy
Seaside Citadel
100% of 1 decks +97% synergy
Selesnya Sanctuary
100% of 1 decks +97% synergy
Shattered Sanctum
100% of 1 decks +97% synergy
Azorius Chancery
100% of 1 decks +97% synergy
Orzhov Basilica
100% of 1 decks +96% synergy
Spara's Headquarters
100% of 1 decks +96% synergy
Temple of Silence
100% of 1 decks +96% synergy
Simic Growth Chamber
100% of 1 decks +96% synergy
Glacial Fortress
100% of 1 decks +95% synergy
Bountiful Promenade
100% of 1 decks +95% synergy
Yavimaya Coast
100% of 1 decks +95% synergy
Sea of Clouds
100% of 1 decks +94% synergy
Isolated Chapel
100% of 1 decks +94% synergy
Vault of Champions
100% of 1 decks +94% synergy
Rejuvenating Springs
100% of 1 decks +94% synergy
Prairie Stream
100% of 1 decks +93% synergy
Canopy Vista
100% of 1 decks +92% synergy
Temple Garden
100% of 1 decks +91% synergy
Breeding Pool
100% of 1 decks +91% synergy
Hallowed Fountain
100% of 1 decks +91% synergy
Godless Shrine
100% of 1 decks +90% synergy
Path of Ancestry
40% of 10 decks +20% synergy
Flagstones of Trokair
30% of 10 decks +29% synergy
Myriad Landscape
30% of 10 decks +9% synergy
Command Tower
30% of 10 decks -43% synergy
Cavern of Souls
20% of 10 decks +14% synergy
Demolition Field
17% of 6 decks +13% synergy
Plaza of Heroes
14% of 7 decks +10% synergy
Opal Palace
10% of 10 decks +7% synergy
Gemstone Caverns
10% of 10 decks +5% synergy
Windswept Heath
10% of 10 decks -0% synergy
Flooded Strand
10% of 10 decks -0% synergy
Marsh Flats
10% of 10 decks -2% synergy
Misty Rainforest
10% of 10 decks -2% synergy
Exotic Orchard
10% of 10 decks -25% synergy