Halo Fountain + Phyrexian Altar + Karn, Silver Golem
Halo Fountain
Phyrexian Altar
Karn, Silver Golem
Requires
Halo Fountain must be on the battlefield.
Phyrexian Altar must be on the battlefield.
Karn, Silver Golem must be on the battlefield.
Halo Fountain does not have summoning sickness.
Mana needed: 
Steps
- Activate Karn by paying , causing Halo Fountain to become an artifact creature until end of turn.
- Activate Halo Fountain's first ability by paying , tapping it and untapping it, creating a 1/1 Citizen creature token.
- Activate Phyrexian Altar by sacrificing the Citizen, adding .
- Repeat from step 2.
Results
Infinite death triggers. Infinite ETB. Infinite LTB. Infinite sacrifice triggers.
Top Commanders (8)
Ao, the Dawn Sky
0.13% of 742 decks
1 decks
Oswald Fiddlebender
0.11% of 1866 decks
2 decks
Delney, Streetwise Lookout
0.08% of 1306 decks
1 decks
Felisa, Fang of Silverquill
0.06% of 1646 decks
1 decks
God-Eternal Oketra
0.05% of 2173 decks
1 decks
Mazzy, Truesword Paladin
0.04% of 2293 decks
1 decks
Jan Jansen, Chaos Crafter
0.04% of 4992 decks
2 decks
Urtet, Remnant of Memnarch
0.01% of 10755 decks
1 decks
Top Cards (10)
Ashnod's Altar
80% of 10 decks
+72% synergy
Enlightened Tutor
60% of 10 decks
+52% synergy
Esper Sentinel
60% of 10 decks
+50% synergy
Smothering Tithe
60% of 10 decks
+48% synergy
Swords to Plowshares
60% of 10 decks
+32% synergy
Karn, the Great Creator
50% of 10 decks
+49% synergy
Thousand-Year Elixir
50% of 10 decks
+48% synergy
Generous Gift
50% of 10 decks
+38% synergy
Lightning Greaves
50% of 10 decks
+25% synergy
Anointed Procession
40% of 10 decks
+36% synergy
Creatures (50)
Cirith Ungol Patrol
100% of 1 decks
+100% synergy
Ethersworn Adjudicator
100% of 1 decks
+100% synergy
Gríma Wormtongue
100% of 1 decks
+100% synergy
Rankle and Torbran
100% of 1 decks
+100% synergy
Denethor, Ruling Steward
100% of 1 decks
+100% synergy
Vito, Fanatic of Aclazotz
100% of 1 decks
+99% synergy
Glóin, Dwarf Emissary
100% of 1 decks
+99% synergy
Orthion, Hero of Lavabrink
100% of 1 decks
+99% synergy
Bartolomé del Presidio
100% of 1 decks
+97% synergy
Mirkwood Bats
100% of 1 decks
+93% synergy
Elf Replica
50% of 2 decks
+50% synergy
Oasis Ritualist
50% of 2 decks
+50% synergy
Sylvok Replica
50% of 2 decks
+50% synergy
Argothian Elder
50% of 2 decks
+50% synergy
Saradoc, Master of Buckland
50% of 2 decks
+50% synergy
Ria Ivor, Bane of Bladehold
50% of 2 decks
+50% synergy
Bill the Pony
50% of 2 decks
+50% synergy
Klothys, God of Destiny
50% of 2 decks
+50% synergy
Marisi, Breaker of the Coil
50% of 2 decks
+50% synergy
Emiel the Blessed
50% of 2 decks
+49% synergy
Karametra, God of Harvests
50% of 2 decks
+49% synergy
Dragonlord Dromoka
50% of 2 decks
+49% synergy
Karametra's Acolyte
50% of 2 decks
+49% synergy
Hellkite Tyrant
50% of 4 decks
+48% synergy
Rosie Cotton of South Lane
50% of 2 decks
+48% synergy
Illustrious Wanderglyph
50% of 2 decks
+48% synergy
Kodama of the West Tree
50% of 2 decks
+48% synergy
Old Gnawbone
50% of 2 decks
+48% synergy
Craterhoof Behemoth
50% of 2 decks
+47% synergy
Azusa, Lost but Seeking
50% of 2 decks
+47% synergy
Dockside Extortionist
50% of 4 decks
+42% synergy
Roaming Throne
50% of 2 decks
+34% synergy
Mondrak, Glory Dominus
40% of 5 decks
+35% synergy
Swashbuckler Extraordinaire
33% of 3 decks
+33% synergy
Prosper, Tome-Bound
33% of 3 decks
+33% synergy
Lagomos, Hand of Hatred
33% of 3 decks
+32% synergy
Juri, Master of the Revue
33% of 3 decks
+32% synergy
Ingenious Artillerist
33% of 3 decks
+32% synergy
Myrel, Shield of Argive
33% of 6 decks
+32% synergy
Ancient Copper Dragon
33% of 3 decks
+31% synergy
Metalworker
30% of 10 decks
+30% synergy
Oswald Fiddlebender
30% of 10 decks
+29% synergy
Skyclave Apparition
30% of 10 decks
+29% synergy
Mangara, the Diplomat
30% of 10 decks
+28% synergy
Soul Warden
30% of 10 decks
+28% synergy
Foundry Inspector
30% of 10 decks
+26% synergy
Solemn Simulacrum
30% of 10 decks
+15% synergy
Xenic Poltergeist
25% of 4 decks
+25% synergy
Shaile, Dean of Radiance
25% of 4 decks
+25% synergy
Technomancer
25% of 4 decks
+25% synergy
Instants (38)
Rite of Harmony
50% of 2 decks
+49% synergy
Worldly Tutor
50% of 2 decks
+43% synergy
Teferi's Protection
40% of 10 decks
+31% synergy
Path to Exile
30% of 10 decks
+11% synergy
Vanishing Verse
25% of 4 decks
+24% synergy
Lethal Scheme
25% of 4 decks
+24% synergy
Costly Plunder
25% of 4 decks
+24% synergy
Stinging Study
25% of 4 decks
+24% synergy
Inkshield
25% of 4 decks
+24% synergy
Fracture
25% of 4 decks
+23% synergy
Clever Concealment
25% of 4 decks
+23% synergy
Unexpected Windfall
25% of 4 decks
+22% synergy
Despark
25% of 4 decks
+21% synergy
Big Score
25% of 4 decks
+20% synergy
Village Rites
25% of 4 decks
+20% synergy
Deadly Dispute
25% of 4 decks
+19% synergy
Anguished Unmaking
25% of 4 decks
+19% synergy
Vampiric Tutor
25% of 4 decks
+15% synergy
Chaos Warp
25% of 4 decks
+9% synergy
Cloudshift
20% of 10 decks
+19% synergy
Akroma's Will
20% of 10 decks
+16% synergy
Contraband Livestock
14% of 7 decks
+14% synergy
Aura Blast
10% of 10 decks
+10% synergy
Faith's Shield
10% of 10 decks
+10% synergy
Rally the Ancestors
10% of 10 decks
+10% synergy
Pull from Eternity
10% of 10 decks
+10% synergy
Apostle's Blessing
10% of 10 decks
+10% synergy
Brought Back
10% of 10 decks
+10% synergy
Settle the Wreckage
10% of 10 decks
+9% synergy
Rebuff the Wicked
10% of 10 decks
+9% synergy
Blacksmith's Skill
10% of 10 decks
+9% synergy
Rootborn Defenses
10% of 10 decks
+9% synergy
Sejiri Shelter
10% of 10 decks
+8% synergy
Heliod's Intervention
10% of 10 decks
+8% synergy
Eerie Interlude
10% of 10 decks
+8% synergy
Ephemerate
10% of 10 decks
+7% synergy
Silence
10% of 10 decks
+7% synergy
Flawless Maneuver
10% of 10 decks
+6% synergy
Sorceries (32)
Monumental Corruption
50% of 2 decks
+50% synergy
The Battle of Bywater
50% of 2 decks
+49% synergy
Seize the Spoils
50% of 4 decks
+48% synergy
Night's Whisper
50% of 4 decks
+45% synergy
Demonic Tutor
50% of 4 decks
+38% synergy
Mythos of Snapdax
33% of 3 decks
+33% synergy
Ruinous Ultimatum
33% of 3 decks
+31% synergy
Cruel Tutor
25% of 4 decks
+25% synergy
Attempted Murder
25% of 4 decks
+25% synergy
Trash for Treasure
25% of 4 decks
+24% synergy
Brass's Bounty
25% of 4 decks
+23% synergy
Vindicate
25% of 4 decks
+23% synergy
Agadeem's Awakening
25% of 4 decks
+23% synergy
Damn
25% of 4 decks
+21% synergy
Read the Bones
25% of 4 decks
+21% synergy
Diabolic Intent
25% of 4 decks
+20% synergy
Faithless Looting
25% of 4 decks
+17% synergy
Tragic Arrogance
20% of 10 decks
+19% synergy
Tariff
10% of 10 decks
+10% synergy
Resurrection
10% of 10 decks
+10% synergy
Makindi Stampede
10% of 10 decks
+10% synergy
Invoke Justice
10% of 10 decks
+10% synergy
Late to Dinner
10% of 10 decks
+10% synergy
Damning Verdict
10% of 10 decks
+9% synergy
Winds of Abandon
10% of 10 decks
+9% synergy
Organic Extinction
10% of 10 decks
+9% synergy
Brilliant Restoration
10% of 10 decks
+9% synergy
Dusk // Dawn
10% of 10 decks
+8% synergy
Vanquish the Horde
10% of 10 decks
+8% synergy
Open the Armory
10% of 10 decks
+8% synergy
Idyllic Tutor
10% of 10 decks
+7% synergy
Wrath of God
10% of 10 decks
+7% synergy
Utility Artifacts (50)
Door to Nothingness
100% of 1 decks
+100% synergy
Legacy Weapon
100% of 1 decks
+100% synergy
Bootleggers' Stash
50% of 2 decks
+49% synergy
Chimil, the Inner Sun
50% of 2 decks
+47% synergy
Lux Artillery
33% of 3 decks
+33% synergy
Urabrask's Forge
33% of 3 decks
+32% synergy
Blasting Station
30% of 10 decks
+29% synergy
Mycosynth Lattice
30% of 10 decks
+29% synergy
Krark-Clan Ironworks
30% of 10 decks
+29% synergy
Pearl Medallion
30% of 10 decks
+29% synergy
Oketra's Monument
30% of 10 decks
+28% synergy
Archaeomancer's Map
30% of 10 decks
+28% synergy
Transmogrant Altar
25% of 4 decks
+25% synergy
Bolas's Citadel
25% of 4 decks
+20% synergy
Thopter Shop
20% of 5 decks
+20% synergy
Animation Module
20% of 10 decks
+20% synergy
Grinding Station
20% of 10 decks
+19% synergy
Magewright's Stone
20% of 10 decks
+19% synergy
Nim Deathmantle
20% of 10 decks
+19% synergy
Thornbite Staff
20% of 10 decks
+19% synergy
Umbral Mantle
20% of 10 decks
+19% synergy
Amulet of Vigor
20% of 10 decks
+19% synergy
Clock of Omens
20% of 10 decks
+19% synergy
Akroma's Memorial
20% of 10 decks
+19% synergy
Illusionist's Bracers
20% of 10 decks
+19% synergy
Mirage Mirror
20% of 10 decks
+18% synergy
Staff of Domination
20% of 10 decks
+18% synergy
Rings of Brighthearth
20% of 10 decks
+18% synergy
Unwinding Clock
20% of 10 decks
+17% synergy
Aetherflux Reservoir
20% of 10 decks
+16% synergy
Sensei's Divining Top
20% of 10 decks
+14% synergy
Levitating Statue
17% of 6 decks
+17% synergy
Karn's Sylex
17% of 6 decks
+16% synergy
Clown Car
17% of 6 decks
+16% synergy
Navigation Orb
14% of 7 decks
+13% synergy
Nautiloid Ship
12% of 8 decks
+12% synergy
Chimeric Egg
10% of 10 decks
+10% synergy
Dead-Iron Sledge
10% of 10 decks
+10% synergy
Sylvok Lifestaff
10% of 10 decks
+10% synergy
Daredevil Dragster
10% of 10 decks
+10% synergy
Aethersphere Harvester
10% of 10 decks
+10% synergy
That Which Was Taken
10% of 10 decks
+10% synergy
Lifeline
10% of 10 decks
+10% synergy
Kite Shield
10% of 10 decks
+10% synergy
Fabrication Module
10% of 10 decks
+10% synergy
Shuko
10% of 10 decks
+10% synergy
Helm of Obedience
10% of 10 decks
+10% synergy
Decoction Module
10% of 10 decks
+10% synergy
Eternity Vessel
10% of 10 decks
+10% synergy
Hot Soup
10% of 10 decks
+10% synergy
Enchantments (50)
Curse of Bounty
50% of 2 decks
+50% synergy
Colossification
50% of 2 decks
+49% synergy
Alpha Authority
50% of 2 decks
+49% synergy
Bear Umbra
50% of 2 decks
+48% synergy
Smuggler's Share
30% of 10 decks
+29% synergy
Cave Sense
25% of 4 decks
+25% synergy
Squee's Embrace
25% of 4 decks
+25% synergy
Burning Anger
25% of 4 decks
+25% synergy
Curse of Obsession
25% of 4 decks
+25% synergy
Curse of Shaken Faith
25% of 4 decks
+25% synergy
Curse of Hospitality
25% of 4 decks
+25% synergy
Splinter Twin
25% of 4 decks
+25% synergy
Biotransference
25% of 4 decks
+24% synergy
Vampiric Rites
25% of 4 decks
+24% synergy
Greed
25% of 4 decks
+24% synergy
Agent of the Iron Throne
25% of 4 decks
+23% synergy
Curse of Opulence
25% of 4 decks
+23% synergy
Revel in Riches
25% of 4 decks
+23% synergy
Bitterblossom
25% of 4 decks
+23% synergy
Black Market Connections
25% of 4 decks
+19% synergy
Phyrexian Arena
25% of 4 decks
+18% synergy
Daybreak Coronet
20% of 10 decks
+19% synergy
Ajani's Welcome
20% of 10 decks
+19% synergy
Together Forever
20% of 10 decks
+19% synergy
Ethereal Armor
20% of 10 decks
+18% synergy
Skrelv's Hive
20% of 5 decks
+18% synergy
Land Tax
20% of 10 decks
+17% synergy
Starlight Spectacular
17% of 6 decks
+16% synergy
Far Traveler
12% of 8 decks
+12% synergy
Hallowed Ground
10% of 10 decks
+10% synergy
Pledge of Loyalty
10% of 10 decks
+10% synergy
Sigil of the New Dawn
10% of 10 decks
+10% synergy
Curse of Vitality
10% of 10 decks
+10% synergy
Cartouche of Solidarity
10% of 10 decks
+10% synergy
Cathar's Call
10% of 10 decks
+10% synergy
Curse of Exhaustion
10% of 10 decks
+10% synergy
Angelic Renewal
10% of 10 decks
+10% synergy
On Thin Ice
10% of 10 decks
+10% synergy
Sentinel's Eyes
10% of 10 decks
+10% synergy
Martyr's Cause
10% of 10 decks
+10% synergy
Celestial Mantle
10% of 10 decks
+10% synergy
Soul Snare
10% of 10 decks
+10% synergy
Search the Premises
10% of 10 decks
+10% synergy
Fanatical Devotion
10% of 10 decks
+10% synergy
Angelic Destiny
10% of 10 decks
+9% synergy
Battle Mastery
10% of 10 decks
+9% synergy
Resourceful Defense
10% of 10 decks
+9% synergy
Swift Reconfiguration
10% of 10 decks
+9% synergy
Oblivion Ring
10% of 10 decks
+9% synergy
Starfield of Nyx
10% of 10 decks
+9% synergy
Planeswalkers (1)
Ugin, the Spirit Dragon
10% of 10 decks
+8% synergy
Utility Lands (50)
Academy Ruins
100% of 1 decks
+97% synergy
Seat of the Synod
100% of 1 decks
+97% synergy
Vault of Whispers
75% of 4 decks
+73% synergy
Great Furnace
75% of 4 decks
+72% synergy
Inventors' Fair
60% of 10 decks
+56% synergy
Tree of Tales
50% of 2 decks
+49% synergy
Gaea's Cradle
50% of 2 decks
+47% synergy
Buried Ruin
50% of 10 decks
+45% synergy
Urza's Saga
50% of 10 decks
+43% synergy
Ancient Den
40% of 10 decks
+37% synergy
Emeria, the Sky Ruin
30% of 10 decks
+28% synergy
Darksteel Citadel
30% of 10 decks
+26% synergy
Nykthos, Shrine to Nyx
30% of 10 decks
+24% synergy
Spawning Pool
25% of 4 decks
+25% synergy
Hostile Hostel
25% of 4 decks
+25% synergy
Shambling Vent
25% of 4 decks
+25% synergy
Phyrexian Tower
25% of 4 decks
+21% synergy
Takenuma, Abandoned Mire
25% of 4 decks
+19% synergy
Bojuka Bog
25% of 4 decks
+9% synergy
The Monumental Facade
20% of 5 decks
+20% synergy
Nesting Grounds
20% of 10 decks
+19% synergy
Urza's Tower
20% of 10 decks
+18% synergy
Urza's Power Plant
20% of 10 decks
+18% synergy
Urza's Mine
20% of 10 decks
+18% synergy
Treasure Vault
20% of 10 decks
+17% synergy
Eiganjo, Seat of the Empire
20% of 10 decks
+15% synergy
Ancient Tomb
20% of 10 decks
+9% synergy
Reliquary Tower
20% of 10 decks
-8% synergy
Urza's Workshop
17% of 6 decks
+16% synergy
Remote Farm
10% of 10 decks
+10% synergy
Sequestered Stash
10% of 10 decks
+10% synergy
Karoo
10% of 10 decks
+10% synergy
Mishra's Workshop
10% of 10 decks
+10% synergy
Haunted Fengraf
10% of 10 decks
+10% synergy
Cave of the Frost Dragon
10% of 10 decks
+10% synergy
Phyrexia's Core
10% of 10 decks
+10% synergy
Idyllic Grange
10% of 10 decks
+10% synergy
Detection Tower
10% of 10 decks
+9% synergy
Mistveil Plains
10% of 10 decks
+9% synergy
Roadside Reliquary
10% of 10 decks
+9% synergy
Crystal Vein
10% of 10 decks
+9% synergy
Vesuva
10% of 10 decks
+9% synergy
Witch's Clinic
10% of 10 decks
+9% synergy
Cascading Cataracts
10% of 10 decks
+9% synergy
Guildless Commons
10% of 10 decks
+9% synergy
Tyrite Sanctum
10% of 10 decks
+8% synergy
Emergence Zone
10% of 10 decks
+7% synergy
Thespian's Stage
10% of 10 decks
+7% synergy
Field of Ruin
10% of 10 decks
+7% synergy
High Market
10% of 10 decks
+6% synergy
Mana Artifacts (43)
Izzet Cluestone
100% of 1 decks
+100% synergy
Timeless Lotus
100% of 1 decks
+99% synergy
Midnight Clock
100% of 1 decks
+97% synergy
Simic Cluestone
100% of 1 decks
+100% synergy
Sol Ring
70% of 10 decks
-14% synergy
Gruul Cluestone
50% of 2 decks
+50% synergy
Arcane Signet
50% of 10 decks
-21% synergy
Staff of Compleation
40% of 5 decks
+38% synergy
Liquimetal Torque
30% of 10 decks
+26% synergy
Cursed Mirror
25% of 4 decks
+23% synergy
The Mightstone and Weakstone
20% of 5 decks
+19% synergy
Chromatic Orrery
20% of 10 decks
+18% synergy
Basalt Monolith
20% of 10 decks
+17% synergy
Mox Opal
20% of 10 decks
+16% synergy
Jeweled Lotus
20% of 10 decks
+12% synergy
Mana Crypt
20% of 10 decks
+9% synergy
Mind Stone
20% of 10 decks
+2% synergy
Relic of Legends
17% of 6 decks
+14% synergy
Lantern of Revealing
14% of 7 decks
+14% synergy
Vexing Puzzlebox
14% of 7 decks
+14% synergy
Patriar's Seal
14% of 7 decks
+12% synergy
Honored Heirloom
10% of 10 decks
+10% synergy
Empowered Autogenerator
10% of 10 decks
+10% synergy
Lotus Bloom
10% of 10 decks
+9% synergy
Paradise Mantle
10% of 10 decks
+9% synergy
Cultivator's Caravan
10% of 10 decks
+9% synergy
Sol Talisman
10% of 10 decks
+9% synergy
Darksteel Ingot
10% of 10 decks
+9% synergy
Skyclave Relic
10% of 10 decks
+9% synergy
Replicating Ring
10% of 10 decks
+8% synergy
Grim Monolith
10% of 10 decks
+8% synergy
Worn Powerstone
10% of 10 decks
+7% synergy
Gilded Lotus
10% of 10 decks
+6% synergy
Mox Amber
10% of 10 decks
+6% synergy
Mox Diamond
10% of 10 decks
+6% synergy
Thran Dynamo
10% of 10 decks
+5% synergy
Everflowing Chalice
10% of 10 decks
+5% synergy
Lotus Petal
10% of 10 decks
+3% synergy
Mana Vault
10% of 10 decks
+3% synergy
Chrome Mox
10% of 10 decks
+3% synergy
Chromatic Lantern
10% of 10 decks
+1% synergy
Commander's Sphere
10% of 10 decks
-7% synergy
Fellwar Stone
10% of 10 decks
-11% synergy
Lands (50)
Public Thoroughfare
100% of 1 decks
+100% synergy
Tanglepool Bridge
100% of 1 decks
+99% synergy
Darkmoss Bridge
100% of 1 decks
+99% synergy
Scene of the Crime
100% of 1 decks
+99% synergy
Mistvault Bridge
100% of 1 decks
+99% synergy
Silverbluff Bridge
100% of 1 decks
+99% synergy
Razortide Bridge
100% of 1 decks
+98% synergy
The World Tree
100% of 1 decks
+98% synergy
Drossforge Bridge
67% of 3 decks
+66% synergy
Slagwoods Bridge
50% of 2 decks
+49% synergy
Goldmire Bridge
50% of 4 decks
+49% synergy
Rustvale Bridge
50% of 4 decks
+49% synergy
Savannah
50% of 2 decks
+47% synergy
Taiga
50% of 2 decks
+47% synergy
Fortified Village
50% of 2 decks
+47% synergy
Game Trail
50% of 2 decks
+47% synergy
Jungle Shrine
50% of 2 decks
+46% synergy
Bountiful Promenade
50% of 2 decks
+45% synergy
Spire Garden
50% of 2 decks
+45% synergy
Clifftop Retreat
50% of 4 decks
+45% synergy
Vault of Champions
50% of 4 decks
+44% synergy
Canopy Vista
50% of 2 decks
+42% synergy
Cinder Glade
50% of 2 decks
+42% synergy
Command Tower
40% of 10 decks
-33% synergy
Haunted Ridge
33% of 3 decks
+30% synergy
Luxury Suite
33% of 3 decks
+27% synergy
Dragonskull Summit
33% of 3 decks
+27% synergy
Smoldering Marsh
33% of 3 decks
+26% synergy
Blood Crypt
33% of 3 decks
+24% synergy
Arid Mesa
30% of 10 decks
+19% synergy
Inspiring Vantage
25% of 4 decks
+24% synergy
Fetid Heath
25% of 4 decks
+23% synergy
Brightclimb Pathway
25% of 4 decks
+22% synergy
Plateau
25% of 4 decks
+22% synergy
The Mycosynth Gardens
25% of 4 decks
+22% synergy
Shattered Sanctum
25% of 4 decks
+22% synergy
Sundown Pass
25% of 4 decks
+21% synergy
Spectator Seating
25% of 4 decks
+19% synergy
Isolated Chapel
25% of 4 decks
+19% synergy
Sacred Foundry
25% of 4 decks
+17% synergy
Godless Shrine
25% of 4 decks
+15% synergy
Power Depot
20% of 10 decks
+19% synergy
Windswept Heath
20% of 10 decks
+10% synergy
Flooded Strand
20% of 10 decks
+10% synergy
Marsh Flats
20% of 10 decks
+8% synergy
Exotic Orchard
20% of 10 decks
-15% synergy
Hall of Oracles
10% of 10 decks
+10% synergy
Glimmervoid
10% of 10 decks
+10% synergy
Holdout Settlement
10% of 10 decks
+9% synergy
Haven of the Spirit Dragon
10% of 10 decks
+8% synergy