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.

Giada, Font of Hope
0.04% of 16553 decks 6 decks
Mikaeus, the Lunarch
0.30% of 331 decks 1 decks
Elesh Norn, Mother of Machines
0.01% of 7377 decks 1 decks
Derevi, Empyrial Tactician
0.01% of 7409 decks 1 decks
New Cards
Split Up
100% of 1 decks +95% synergy
High Synergy Cards
Ashnod's Altar
89% of 9 decks +81% synergy
Starnheim Aspirant
67% of 9 decks +65% synergy
Lyra Dawnbringer
67% of 9 decks +65% synergy
Divine Visitation
67% of 9 decks +65% synergy
Righteous Valkyrie
67% of 9 decks +65% synergy
Nykthos, Shrine to Nyx
67% of 9 decks +61% synergy
Akroma's Will
67% of 9 decks +57% synergy
Twilight Shepherd
56% of 9 decks +55% synergy
Youthful Valkyrie
56% of 9 decks +55% synergy
Herald of War
56% of 9 decks +54% synergy
Top Cards
Path to Exile
78% of 9 decks +32% synergy
Swords to Plowshares
78% of 9 decks +15% synergy
Lightning Greaves
67% of 9 decks +41% synergy
Generous Gift
67% of 9 decks +41% synergy
Emeria Shepherd
56% of 9 decks +53% synergy
Archangel of Thune
56% of 9 decks +53% synergy
Battle Angels of Tyr
56% of 9 decks +53% synergy
Walking Ballista
56% of 9 decks +53% synergy
Heliod, Sun-Crowned
56% of 9 decks +52% synergy
Avacyn, Angel of Hope
56% of 9 decks +52% synergy
Creatures
Synod Artificer
100% of 1 decks +100% synergy
Othelm, Sigardian Outcast
100% of 1 decks +100% synergy
Trostani Discordant
100% of 1 decks +99% synergy
Deadeye Navigator
100% of 1 decks +98% synergy
Edric, Spymaster of Trest
100% of 1 decks +98% synergy
Ledger Shredder
100% of 1 decks +96% synergy
Emiel the Blessed
100% of 1 decks +96% synergy
Toski, Bearer of Secrets
100% of 1 decks +93% synergy
Faerie Mastermind
100% of 1 decks +93% synergy
Bloom Tender
100% of 1 decks +92% synergy
Faeburrow Elder
100% of 1 decks +88% synergy
Avacyn's Pilgrim
100% of 1 decks +85% synergy
Noble Hierarch
100% of 1 decks +84% synergy
Kutzil, Malamet Exemplar
100% of 1 decks +81% synergy
Birds of Paradise
100% of 1 decks +73% synergy
Roaming Throne
50% of 4 decks +40% synergy
Steel Seraph
44% of 9 decks +43% synergy
Gisela, the Broken Blade
44% of 9 decks +43% synergy
Bruna, the Fading Light
44% of 9 decks +43% synergy
Valkyrie Harbinger
44% of 9 decks +43% synergy
Resplendent Angel
44% of 9 decks +43% synergy
Angel of Vitality
44% of 9 decks +43% synergy
Linvala, Keeper of Silence
44% of 9 decks +42% synergy
Inspiring Overseer
44% of 9 decks +42% synergy
Sephara, Sky's Blade
44% of 9 decks +42% synergy
Metropolis Reformer
43% of 7 decks +42% synergy
Triskelion
33% of 9 decks +33% synergy
Requiem Angel
33% of 9 decks +33% synergy
Angel of Jubilation
33% of 9 decks +32% synergy
Thraben Watcher
33% of 9 decks +32% synergy
Serra Paragon
33% of 9 decks +32% synergy
Archangel of Tithes
33% of 9 decks +32% synergy
Angel of Destiny
33% of 9 decks +32% synergy
Envoy of the Ancestors
33% of 3 decks +31% synergy
Firemane Commando
29% of 7 decks +26% synergy
Dauntless Dismantler
25% of 4 decks +21% synergy
Triskelavus
22% of 9 decks +22% synergy
Antler Skulkin
22% of 9 decks +22% synergy
Yomiji, Who Bars the Way
22% of 9 decks +22% synergy
Purity
22% of 9 decks +22% synergy
Unruly Mob
22% of 9 decks +22% synergy
Pentavus
22% of 9 decks +22% synergy
Magus of the Disk
22% of 9 decks +22% synergy
Cryptic Trilobite
22% of 9 decks +22% synergy
Arcbound Crusher
22% of 9 decks +22% synergy
Crystalline Crawler
22% of 9 decks +22% synergy
Basilica Shepherd
22% of 9 decks +22% synergy
Twilight Drover
22% of 9 decks +22% synergy
Basri's Lieutenant
22% of 9 decks +22% synergy
Segovian Angel
22% of 9 decks +22% synergy
Instants
Veil of Summer
100% of 1 decks +94% synergy
Force of Negation
100% of 1 decks +91% synergy
Eladamri's Call
100% of 1 decks +89% synergy
Pongify
100% of 1 decks +88% synergy
Mystical Tutor
100% of 1 decks +85% synergy
Arcane Denial
100% of 1 decks +80% synergy
Negate
100% of 1 decks +77% synergy
Cyclonic Rift
100% of 1 decks +72% synergy
Counterspell
100% of 1 decks +57% synergy
Flawless Maneuver
56% of 9 decks +46% synergy
Heliod's Intervention
44% of 9 decks +41% synergy
Final Showdown
33% of 3 decks +30% synergy
Flare of Fortitude
33% of 3 decks +27% synergy
Enlightened Tutor
33% of 9 decks +16% synergy
Teferi's Protection
33% of 9 decks +13% synergy
Stroke of Midnight
25% of 4 decks +13% synergy
Brave the Elements
22% of 9 decks +21% synergy
Rebuff the Wicked
22% of 9 decks +20% synergy
Cloudshift
22% of 9 decks +19% synergy
Ephemerate
22% of 9 decks +16% synergy
Excise the Imperfect
14% of 7 decks +13% synergy
Reprieve
14% of 7 decks +10% synergy
Rally of Wings
11% of 9 decks +11% synergy
Charge of the Mites
11% of 9 decks +11% synergy
Invoke the Divine
11% of 9 decks +10% synergy
Kabira Takedown
11% of 9 decks +9% synergy
And They Shall Know No Fear
11% of 9 decks +9% synergy
Sejiri Shelter
11% of 9 decks +8% synergy
Disenchant
11% of 9 decks +7% synergy
Clever Concealment
11% of 9 decks +7% synergy
Unbreakable Formation
11% of 9 decks +4% synergy
Sorceries
Airborne Aid
100% of 1 decks +100% synergy
Migratory Route
100% of 1 decks +99% synergy
Wargate
100% of 1 decks +97% synergy
Raise the Palisade
100% of 1 decks +96% synergy
Rampant Growth
100% of 1 decks +65% synergy
Austere Command
56% of 9 decks +43% synergy
Emeria's Call
44% of 9 decks +43% synergy
Farewell
44% of 9 decks +31% synergy
Starnheim Unleashed
33% of 9 decks +33% synergy
Entreat the Angels
22% of 9 decks +21% synergy
Approach of the Second Sun
22% of 9 decks +18% synergy
Balancing Act
11% of 9 decks +11% synergy
Lay Down Arms
11% of 9 decks +11% synergy
Ravnica at War
11% of 9 decks +10% synergy
Mass Calcify
11% of 9 decks +10% synergy
Gift of Estates
11% of 9 decks +10% synergy
Search for Glory
11% of 9 decks +10% synergy
White Sun's Twilight
11% of 9 decks +8% synergy
Cleansing Nova
11% of 9 decks +7% synergy
Idyllic Tutor
11% of 9 decks +6% synergy
Wrath of God
11% of 9 decks +4% synergy
Utility Artifacts
Phyrexian Altar
56% of 9 decks +51% synergy
Herald's Horn
56% of 9 decks +49% synergy
The Book of Exalted Deeds
44% of 9 decks +43% synergy
Aetherflux Reservoir
44% of 9 decks +41% synergy
Animation Module
33% of 9 decks +33% synergy
Blasting Station
33% of 9 decks +33% synergy
Nevinyrral's Disk
33% of 9 decks +32% synergy
Oketra's Monument
33% of 9 decks +32% synergy
Pearl Medallion
33% of 9 decks +31% synergy
Maskwood Nexus
33% of 9 decks +30% synergy
Urza's Incubator
33% of 9 decks +30% synergy
Caduceus, Staff of Hermes
33% of 3 decks +28% synergy
Swiftfoot Boots
33% of 9 decks +5% synergy
The Millennium Calendar
25% of 4 decks +24% synergy
Heartstone
22% of 9 decks +22% synergy
Blade of the Bloodchief
22% of 9 decks +22% synergy
Nim Deathmantle
22% of 9 decks +21% synergy
Krark-Clan Ironworks
22% of 9 decks +21% synergy
Illusionist's Bracers
22% of 9 decks +21% synergy
Staff of Domination
22% of 9 decks +20% synergy
Alhammarret's Archive
22% of 9 decks +20% synergy
Halo Fountain
22% of 9 decks +20% synergy
The Ozolith
22% of 9 decks +19% synergy
Archaeomancer's Map
22% of 9 decks +18% synergy
Salvaging Station
11% of 9 decks +11% synergy
General's Kabuto
11% of 9 decks +11% synergy
Helm of Kaldra
11% of 9 decks +11% synergy
Shield of Kaldra
11% of 9 decks +11% synergy
Fabrication Module
11% of 9 decks +11% synergy
Sword of Kaldra
11% of 9 decks +11% synergy
Worldslayer
11% of 9 decks +11% synergy
Pariah's Shield
11% of 9 decks +11% synergy
Decoction Module
11% of 9 decks +11% synergy
Moonsilver Spear
11% of 9 decks +11% synergy
Codex Shredder
11% of 9 decks +10% synergy
Darksteel Plate
11% of 9 decks +10% synergy
Scroll Rack
11% of 9 decks +10% synergy
Hammer of Nazahn
11% of 9 decks +9% synergy
Loxodon Warhammer
11% of 9 decks +9% synergy
Coat of Arms
11% of 9 decks +9% synergy
Shadowspear
11% of 9 decks +8% synergy
Whispersilk Cloak
11% of 9 decks +7% synergy
Sword of the Animist
11% of 9 decks +6% synergy
Enchantments
Leyline of Singularity
100% of 1 decks +100% synergy
Coastal Piracy
100% of 1 decks +98% synergy
Freed from the Real
100% of 1 decks +98% synergy
Leyline of Anticipation
100% of 1 decks +95% synergy
Kindred Discovery
100% of 1 decks +93% synergy
Guardian Project
100% of 1 decks +91% synergy
Mirari's Wake
100% of 1 decks +86% synergy
Rhystic Study
100% of 1 decks +72% synergy
Angelic Accord
44% of 9 decks +43% synergy
Smothering Tithe
44% of 9 decks +19% synergy
Sunbond
33% of 9 decks +33% synergy
Ajani's Welcome
33% of 9 decks +32% synergy
Luminarch Ascension
33% of 9 decks +32% synergy
Darksteel Mutation
33% of 9 decks +27% synergy
Anointed Procession
33% of 9 decks +24% synergy
Light of Promise
22% of 9 decks +21% synergy
Folk Hero
22% of 9 decks +21% synergy
Together Forever
22% of 9 decks +21% synergy
Cleric Class
22% of 9 decks +20% synergy
Land Tax
22% of 9 decks +16% synergy
War of the Last Alliance
17% of 6 decks +15% synergy
Dawn of a New Age
17% of 6 decks +15% synergy
Enduring Renewal
11% of 9 decks +11% synergy
Righteous Aura
11% of 9 decks +11% synergy
Soulcatchers' Aerie
11% of 9 decks +11% synergy
Phyrexian Unlife
11% of 9 decks +11% synergy
Angelic Renewal
11% of 9 decks +11% synergy
Solemnity
11% of 9 decks +10% synergy
Tenuous Truce
11% of 9 decks +10% synergy
Resourceful Defense
11% of 9 decks +10% synergy
True Conviction
11% of 9 decks +9% synergy
Court of Grace
11% of 9 decks +8% synergy
Skrelv's Hive
11% of 9 decks +8% synergy
Teleportation Circle
11% of 9 decks +7% synergy
Ghostly Prison
11% of 9 decks -0% synergy
Planeswalkers
Oko, Thief of Crowns
100% of 1 decks +94% synergy
Serra the Benevolent
33% of 9 decks +33% synergy
Elspeth Resplendent
33% of 9 decks +32% synergy
Archangel Elspeth
29% of 7 decks +27% synergy
Ajani, Strength of the Pride
11% of 9 decks +10% synergy
Elspeth, Sun's Champion
11% of 9 decks +6% synergy
Utility Lands
Restless Anchorage
100% of 1 decks +97% synergy
Dryad Arbor
100% of 1 decks +96% synergy
Gavony Township
100% of 1 decks +90% synergy
Otawara, Soaring City
100% of 1 decks +83% synergy
Boseiju, Who Endures
100% of 1 decks +80% synergy
Emeria, the Sky Ruin
56% of 9 decks +52% synergy
Three Tree City
50% of 2 decks +40% synergy
Seraph Sanctuary
44% of 9 decks +44% synergy
War Room
44% of 9 decks +38% synergy
Secluded Steppe
33% of 9 decks +30% synergy
Eiganjo, Seat of the Empire
33% of 9 decks +24% synergy
Ancient Tomb
33% of 9 decks +23% synergy
Reliquary Tower
33% of 9 decks +4% synergy
Lotus Field
22% of 9 decks +21% synergy
Bonders' Enclave
22% of 9 decks +20% synergy
Windbrisk Heights
22% of 9 decks +18% synergy
Castle Ardenvale
22% of 9 decks +17% synergy
Minas Tirith
17% of 6 decks +7% synergy
Lotus Vale
11% of 9 decks +11% synergy
Kjeldoran Outpost
11% of 9 decks +11% synergy
Sandstone Bridge
11% of 9 decks +11% synergy
Sejiri Steppe
11% of 9 decks +11% synergy
New Benalia
11% of 9 decks +11% synergy
Idyllic Grange
11% of 9 decks +10% synergy
The Fair Basilica
11% of 9 decks +10% synergy
Eiganjo Castle
11% of 9 decks +10% synergy
Mutavault
11% of 9 decks +10% synergy
Radiant Fountain
11% of 9 decks +10% synergy
Karn's Bastion
11% of 9 decks +6% synergy
Hall of Heliod's Generosity
11% of 9 decks +4% synergy
Temple of the False God
11% of 9 decks +1% synergy
Rogue's Passage
11% of 9 decks -8% synergy
Mana Artifacts
Sol Ring
67% of 9 decks -18% synergy
Nyx Lotus
33% of 9 decks +32% synergy
Arcane Signet
33% of 9 decks -39% synergy
Throne of Eldraine
25% of 4 decks +22% synergy
Extraplanar Lens
11% of 9 decks +10% synergy
Chromatic Orrery
11% of 9 decks +10% synergy
Chromatic Lantern
11% of 9 decks +2% synergy
Lands
Selesnya Sanctuary
100% of 1 decks +86% synergy
Azorius Chancery
100% of 1 decks +85% synergy
Simic Growth Chamber
100% of 1 decks +80% synergy
Bountiful Promenade
100% of 1 decks +76% synergy
Glacial Fortress
100% of 1 decks +75% synergy
Seaside Citadel
100% of 1 decks +74% synergy
Sea of Clouds
100% of 1 decks +74% synergy
Yavimaya Coast
100% of 1 decks +74% synergy
Rejuvenating Springs
100% of 1 decks +71% synergy
Spara's Headquarters
100% of 1 decks +68% synergy
Prairie Stream
100% of 1 decks +66% synergy
Canopy Vista
100% of 1 decks +64% synergy
Temple Garden
100% of 1 decks +59% synergy
Hallowed Fountain
100% of 1 decks +59% synergy
Breeding Pool
100% of 1 decks +59% synergy
Flagstones of Trokair
33% of 9 decks +32% synergy
Myriad Landscape
33% of 9 decks +14% synergy
Path of Ancestry
33% of 9 decks +12% synergy
Command Tower
33% of 9 decks -41% synergy
Plaza of Heroes
22% of 9 decks +19% synergy
Cavern of Souls
22% of 9 decks +15% synergy
Opal Palace
11% of 9 decks +8% synergy
Demolition Field
11% of 9 decks +8% synergy
Windswept Heath
11% of 9 decks +1% synergy
Flooded Strand
11% of 9 decks +1% synergy
Misty Rainforest
11% of 9 decks -1% synergy
Exotic Orchard
11% of 9 decks -24% synergy