Prototype Portal + Retreat to Coralhelm + Ensoul Artifact + Seat of the Synod

Prototype Portal

Retreat to Coralhelm

Ensoul Artifact

Seat of the Synod

Requires

Prototype Portal must be on the battlefield. Retreat to Coralhelm must be on the battlefield. Ensoul Artifact must be on the battlefield. Seat of the Synod must be in exile (exiled by Prototype Portal).

Steps

Activate Prototype Portal by tapping it, creating a token copy of Seat of the Synod.
When the Seat of the Synod token enters the battlefield, Retreat to Coralhelm triggers, untapping Prototype Portal.
Repeat.

Results

Infinite blue mana. Infinite landfall triggers. Infinite Seat of the Synod tokens.

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Iron Man, Titan of Innovation

0.02% of 4826 decks 1 decks

Fblthp, the Lost

0.13% of 753 decks 1 decks

Nin, the Pain Artist

0.11% of 940 decks 1 decks

Urza, Lord High Artificer

0.01% of 14151 decks 1 decks

Emry, Lurker of the Loch

0.02% of 4658 decks 1 decks

Jin-Gitaxias

0.03% of 3392 decks 1 decks

Drafna, Founder of Lat-Nam

0.10% of 990 decks 1 decks

High Synergy Cards

Darksteel Citadel

71% of 7 decks +68% synergy

Fabricate

71% of 7 decks +66% synergy

Archway of Innovation

67% of 6 decks +63% synergy

Treasure Vault

57% of 7 decks +55% synergy

Buried Ruin

57% of 7 decks +52% synergy

Reliquary Tower

71% of 7 decks +42% synergy

Counterspell

71% of 7 decks +29% synergy

Game Changers

Ancient Tomb

29% of 7 decks +18% synergy

Mystical Tutor

29% of 7 decks +14% synergy

Mana Vault

14% of 7 decks +8% synergy

Fierce Guardianship

14% of 7 decks -4% synergy

Cyclonic Rift

14% of 7 decks -12% synergy

Rhystic Study

14% of 7 decks -12% synergy

Creatures

Donna Noble

50% of 2 decks +50% synergy

Toggo, Goblin Weaponsmith

50% of 2 decks +50% synergy

Goblin Recruiter

50% of 2 decks +49% synergy

Herald of Kozilek

50% of 2 decks +49% synergy

Goblin Welder

50% of 2 decks +48% synergy

Niv-Mizzet, the Firemind

50% of 2 decks +46% synergy

Brash Taunter

50% of 2 decks +46% synergy

The Locust God

50% of 2 decks +45% synergy

Niv-Mizzet, Parun

50% of 2 decks +42% synergy

Archaeomancer

43% of 7 decks +39% synergy

Etherium Sculptor

43% of 7 decks +37% synergy

Solemn Simulacrum

43% of 7 decks +29% synergy

Grand Architect

29% of 7 decks +28% synergy

Shimmer Myr

29% of 7 decks +27% synergy

Scrap Trawler

29% of 7 decks +27% synergy

Myr Battlesphere

29% of 7 decks +27% synergy

Silver Myr

29% of 7 decks +26% synergy

Psychosis Crawler

29% of 7 decks +26% synergy

Foundry Inspector

29% of 7 decks +25% synergy

Marvin, Murderous Mimic

20% of 5 decks +19% synergy

High Fae Trickster

20% of 5 decks +17% synergy

Pollywog Prodigy

17% of 6 decks +12% synergy

Hydroelectric Specimen

17% of 6 decks +12% synergy

Armory Automaton

14% of 7 decks +14% synergy

Skyswimmer Koi

14% of 7 decks +14% synergy

Sage's Row Denizen

14% of 7 decks +14% synergy

Tenacious Tomeseeker

14% of 7 decks +14% synergy

Karn, Silver Golem

14% of 7 decks +14% synergy

Sphinx of Magosi

14% of 7 decks +14% synergy

Filigree Sages

14% of 7 decks +14% synergy

Myr Moonvessel

14% of 7 decks +14% synergy

Thran Spider

14% of 7 decks +14% synergy

Dross Scorpion

14% of 7 decks +14% synergy

Mistcaller

14% of 7 decks +14% synergy

Broodstar

14% of 7 decks +14% synergy

Floodhound

14% of 7 decks +14% synergy

Enclave Cryptologist

14% of 7 decks +14% synergy

Urza, Powerstone Prodigy

14% of 7 decks +14% synergy

Xerex Strobe-Knight

14% of 7 decks +14% synergy

Bladegriff Prototype

14% of 7 decks +14% synergy

Augur of Bolas

14% of 7 decks +14% synergy

Serum Sovereign

14% of 7 decks +14% synergy

Filigree Attendant

14% of 7 decks +14% synergy

Mirran Spy

14% of 7 decks +14% synergy

Darksteel Myr

14% of 7 decks +14% synergy

Darksteel Juggernaut

14% of 7 decks +14% synergy

Empress Galina

14% of 7 decks +14% synergy

Scaretiller

14% of 7 decks +14% synergy

James, Wandering Dad

14% of 7 decks +14% synergy

Sphinx of Uthuun

14% of 7 decks +14% synergy

Instants

Comet Storm

50% of 2 decks +47% synergy

Chaos Warp

50% of 2 decks +19% synergy

Blue Sun's Zenith

43% of 7 decks +40% synergy

Whir of Invention

43% of 7 decks +40% synergy

Intuition

29% of 7 decks +27% synergy

Evacuation

29% of 7 decks +27% synergy

Mystic Confluence

29% of 7 decks +26% synergy

High Tide

29% of 7 decks +25% synergy

Ghostly Flicker

29% of 7 decks +24% synergy

Dramatic Reversal

29% of 7 decks +24% synergy

Fact or Fiction

29% of 7 decks +23% synergy

Frantic Search

29% of 7 decks +16% synergy

Negate

29% of 7 decks +6% synergy

Get Out

20% of 5 decks +19% synergy

Don't Make a Sound

20% of 5 decks +19% synergy

Brainsurge

17% of 6 decks +14% synergy

Majestic Metamorphosis

14% of 7 decks +14% synergy

Behind the Mask

14% of 7 decks +14% synergy

Hurl into History

14% of 7 decks +14% synergy

Machine Over Matter

14% of 7 decks +14% synergy

Moment of Truth

14% of 7 decks +14% synergy

Learn from the Past

14% of 7 decks +14% synergy

Reality Heist

14% of 7 decks +14% synergy

Echoing Truth

14% of 7 decks +14% synergy

Urza's Command

14% of 7 decks +14% synergy

Forbid

14% of 7 decks +14% synergy

Masterful Replication

14% of 7 decks +14% synergy

Stoic Rebuttal

14% of 7 decks +14% synergy

Defabricate

14% of 7 decks +14% synergy

Into the Roil

14% of 7 decks +14% synergy

Steady Progress

14% of 7 decks +13% synergy

Reject Imperfection

14% of 7 decks +13% synergy

Tale's End

14% of 7 decks +13% synergy

Serum Snare

14% of 7 decks +13% synergy

Cyber Conversion

14% of 7 decks +13% synergy

Flow of Knowledge

14% of 7 decks +13% synergy

Prologue to Phyresis

14% of 7 decks +13% synergy

Saw It Coming

14% of 7 decks +13% synergy

Thirst for Knowledge

14% of 7 decks +13% synergy

Quick Study

14% of 7 decks +13% synergy

Impulse

14% of 7 decks +13% synergy

Archmage's Charm

14% of 7 decks +13% synergy

Sublime Epiphany

14% of 7 decks +13% synergy

Perplexing Test

14% of 7 decks +13% synergy

Mana Leak

14% of 7 decks +12% synergy

Experimental Augury

14% of 7 decks +12% synergy

Three Steps Ahead

14% of 7 decks +11% synergy

Rewind

14% of 7 decks +11% synergy

March of Swirling Mist

14% of 7 decks +11% synergy

Resculpt

14% of 7 decks +10% synergy

Sorceries

Scrap Mastery

50% of 2 decks +49% synergy

Trash for Treasure

50% of 2 decks +49% synergy

Hell to Pay

50% of 2 decks +49% synergy

Chain Reaction

50% of 2 decks +45% synergy

Gamble

50% of 2 decks +41% synergy

Blasphemous Act

50% of 2 decks +17% synergy

Transmute Artifact

29% of 7 decks +28% synergy

Reshape

29% of 7 decks +27% synergy

Involuntary Cooldown

14% of 7 decks +14% synergy

Reconstruction

14% of 7 decks +14% synergy

Argivian Restoration

14% of 7 decks +14% synergy

Forging the Anchor

14% of 7 decks +14% synergy

Impede Momentum

14% of 7 decks +14% synergy

Retraced Image

14% of 7 decks +14% synergy

Scour All Possibilities

14% of 7 decks +14% synergy

Ugin's Insight

14% of 7 decks +14% synergy

Vivisurgeon's Insight

14% of 7 decks +14% synergy

Walk the Aeons

14% of 7 decks +14% synergy

Enter the Infinite

14% of 7 decks +13% synergy

Timetwister

14% of 7 decks +13% synergy

Rise and Shine

14% of 7 decks +13% synergy

Time Stretch

14% of 7 decks +13% synergy

Personal Tutor

14% of 7 decks +13% synergy

Contentious Plan

14% of 7 decks +13% synergy

Time Warp

14% of 7 decks +12% synergy

Finale of Revelation

14% of 7 decks +12% synergy

Tezzeret's Gambit

14% of 7 decks +11% synergy

Thoughtcast

14% of 7 decks +11% synergy

Preordain

14% of 7 decks +4% synergy

Ponder

14% of 7 decks +2% synergy

Utility Artifacts

Trading Post

43% of 7 decks +42% synergy

Cloud Key

43% of 7 decks +41% synergy

Mind Stone

43% of 7 decks +26% synergy

The Millennium Calendar

29% of 7 decks +28% synergy

Winter Orb

29% of 7 decks +28% synergy

Rings of Brighthearth

29% of 7 decks +27% synergy

Ichor Wellspring

29% of 7 decks +27% synergy

Nettlecyst

29% of 7 decks +27% synergy

Sapphire Medallion

29% of 7 decks +26% synergy

Unwinding Clock

29% of 7 decks +26% synergy

Hedron Archive

29% of 7 decks +26% synergy

Lotus Petal

29% of 7 decks +22% synergy

Ashnod's Altar

29% of 7 decks +21% synergy

Commander's Sphere

29% of 7 decks +14% synergy

Swiftfoot Boots

29% of 7 decks +1% synergy

Ghost Vacuum

20% of 5 decks +20% synergy

Marina Vendrell's Grimoire

20% of 5 decks +19% synergy

Winter Moon

17% of 6 decks +16% synergy

Excalibur, Sword of Eden

17% of 6 decks +15% synergy

Rocket Launcher

14% of 7 decks +14% synergy

Sands of Time

14% of 7 decks +14% synergy

Shriekhorn

14% of 7 decks +14% synergy

Salvaging Station

14% of 7 decks +14% synergy

Spare Supplies

14% of 7 decks +14% synergy

Dark Sphere

14% of 7 decks +14% synergy

Summoning Station

14% of 7 decks +14% synergy

Alchemist's Vial

14% of 7 decks +14% synergy

Wedding Invitation

14% of 7 decks +14% synergy

Accorder's Shield

14% of 7 decks +14% synergy

Barrow-Blade

14% of 7 decks +14% synergy

Sword of the Meek

14% of 7 decks +14% synergy

Hero's Heirloom

14% of 7 decks +14% synergy

Nimblewright Schematic

14% of 7 decks +14% synergy

Transmogrifying Wand

14% of 7 decks +14% synergy

Crystal Ball

14% of 7 decks +14% synergy

Servo Schematic

14% of 7 decks +14% synergy

Retrofitter Foundry

14% of 7 decks +14% synergy

Mnemonic Sphere

14% of 7 decks +14% synergy

Sword of the Paruns

14% of 7 decks +14% synergy

Proteus Staff

14% of 7 decks +14% synergy

Liquimetal Coating

14% of 7 decks +14% synergy

Urza's Bauble

14% of 7 decks +14% synergy

Gonti's Aether Heart

14% of 7 decks +14% synergy

Welding Jar

14% of 7 decks +14% synergy

Blasting Station

14% of 7 decks +14% synergy

Chromatic Star

14% of 7 decks +14% synergy

Grinding Station

14% of 7 decks +14% synergy

The Enigma Jewel

14% of 7 decks +14% synergy

Nim Deathmantle

14% of 7 decks +14% synergy

Mirrorworks

14% of 7 decks +14% synergy

Enchantments

Thopter Spy Network

43% of 7 decks +39% synergy

Proft's Eidetic Memory

29% of 7 decks +27% synergy

Teferi's Ageless Insight

29% of 7 decks +24% synergy

Sugar Coat

17% of 6 decks +16% synergy

Shameless Charlatan

14% of 7 decks +14% synergy

Rising Waters

14% of 7 decks +14% synergy

Cast Through Time

14% of 7 decks +14% synergy

Zoetic Glyph

14% of 7 decks +14% synergy

March of the Machines

14% of 7 decks +14% synergy

Clan Crafter

14% of 7 decks +14% synergy

Ever-Watching Threshold

14% of 7 decks +14% synergy

Sphinx's Tutelage

14% of 7 decks +13% synergy

Artificer Class

14% of 7 decks +13% synergy

Efficient Construction

14% of 7 decks +13% synergy

Court of Vantress

14% of 7 decks +13% synergy

Struggle for Project Purity

14% of 7 decks +13% synergy

Mirrodin Besieged

14% of 7 decks +13% synergy

Psychic Corrosion

14% of 7 decks +12% synergy

Inexorable Tide

14% of 7 decks +12% synergy

Ominous Seas

14% of 7 decks +12% synergy

Training Grounds

14% of 7 decks +11% synergy

Mechanized Production

14% of 7 decks +11% synergy

Omniscience

14% of 7 decks +11% synergy

Imprisoned in the Moon

14% of 7 decks +11% synergy

Propaganda

14% of 7 decks +2% synergy

Mystic Remora

14% of 7 decks -3% synergy

Planeswalkers

Saheeli, the Gifted

50% of 2 decks +49% synergy

Daretti, Scrap Savant

50% of 2 decks +48% synergy

Tezzeret, Artifice Master

29% of 7 decks +28% synergy

Tezzeret the Seeker

29% of 7 decks +26% synergy

Will Kenrith

14% of 7 decks +14% synergy

Karn, Living Legacy

14% of 7 decks +14% synergy

Karn, the Great Creator

14% of 7 decks +13% synergy

Jace, Wielder of Mysteries

14% of 7 decks +11% synergy

Narset, Parter of Veils

14% of 7 decks +10% synergy

Utility Lands

Great Furnace

100% of 2 decks +95% synergy

Desert of the Fervent

50% of 2 decks +49% synergy

Desolate Lighthouse

50% of 2 decks +46% synergy

Forgotten Cave

50% of 2 decks +46% synergy

Rogue's Passage

43% of 7 decks +23% synergy

Academy Ruins

29% of 7 decks +24% synergy

Urza's Saga

29% of 7 decks +22% synergy

Otawara, Soaring City

29% of 7 decks +12% synergy

Fountainport

17% of 6 decks +15% synergy

Magosi, the Waterveil

14% of 7 decks +14% synergy

Sequestered Stash

14% of 7 decks +14% synergy

Blighted Cataract

14% of 7 decks +14% synergy

Ghost Town

14% of 7 decks +14% synergy

Cryptic Caves

14% of 7 decks +14% synergy

Sanctum of Eternity

14% of 7 decks +14% synergy

Mirrorpool

14% of 7 decks +14% synergy

Mishra's Factory

14% of 7 decks +14% synergy

Urza's Workshop

14% of 7 decks +14% synergy

City of Traitors

14% of 7 decks +13% synergy

Crystal Vein

14% of 7 decks +13% synergy

Faerie Conclave

14% of 7 decks +13% synergy

Desert of the Mindful

14% of 7 decks +13% synergy

Radiant Fountain

14% of 7 decks +13% synergy

Tolaria West

14% of 7 decks +13% synergy

Blast Zone

14% of 7 decks +13% synergy

Urza's Power Plant

14% of 7 decks +12% synergy

Urza's Tower

14% of 7 decks +12% synergy

Riptide Laboratory

14% of 7 decks +12% synergy

Halimar Depths

14% of 7 decks +11% synergy

Lonely Sandbar

14% of 7 decks +11% synergy

Inventors' Fair

14% of 7 decks +11% synergy

Minamo, School at Water's Edge

14% of 7 decks +10% synergy

Karn's Bastion

14% of 7 decks +9% synergy

Temple of the False God

14% of 7 decks +5% synergy

Mystic Sanctuary

14% of 7 decks +3% synergy

Mana Artifacts

Sol Ring

100% of 7 decks +16% synergy

Thought Vessel

57% of 7 decks +40% synergy

Izzet Signet

50% of 2 decks +23% synergy

Talisman of Creativity

50% of 2 decks +21% synergy

Everflowing Chalice

43% of 7 decks +38% synergy

Decanter of Endless Water

43% of 7 decks +38% synergy

Replicating Ring

29% of 7 decks +27% synergy

Basalt Monolith

29% of 7 decks +26% synergy

Gilded Lotus

29% of 7 decks +25% synergy

Thran Dynamo

29% of 7 decks +24% synergy

Fellwar Stone

29% of 7 decks +8% synergy

Arcane Signet

29% of 7 decks -44% synergy

Crystal Skull, Isu Spyglass

17% of 6 decks +15% synergy

Mana Geode

14% of 7 decks +14% synergy

Mox Tantalite

14% of 7 decks +14% synergy

Coalition Relic

14% of 7 decks +14% synergy

Astral Cornucopia

14% of 7 decks +13% synergy

Darksteel Ingot

14% of 7 decks +13% synergy

Prismatic Lens

14% of 7 decks +13% synergy

Machine God's Effigy

14% of 7 decks +13% synergy

Worn Powerstone

14% of 7 decks +12% synergy

Liquimetal Torque

14% of 7 decks +11% synergy

Chromatic Lantern

14% of 7 decks +5% synergy

Lands

Highland Lake

50% of 2 decks +49% synergy

Izzet Guildgate

50% of 2 decks +45% synergy

Silverbluff Bridge

50% of 2 decks +44% synergy

Cascade Bluffs

50% of 2 decks +38% synergy

Izzet Boilerworks

50% of 2 decks +34% synergy

Stormcarved Coast

50% of 2 decks +32% synergy

Temple of Epiphany

50% of 2 decks +32% synergy

Training Center

50% of 2 decks +23% synergy

Shivan Reef

50% of 2 decks +23% synergy

Sulfur Falls

50% of 2 decks +18% synergy

Steam Vents

50% of 2 decks +12% synergy

Command Tower

43% of 7 decks -31% synergy

Reflecting Pool

29% of 7 decks +23% synergy

Myriad Landscape

29% of 7 decks +10% synergy

Talon Gates of Madara

17% of 6 decks +14% synergy

Urza's Cave

17% of 6 decks +14% synergy

Warped Landscape

14% of 7 decks +14% synergy

Glimmervoid

14% of 7 decks +14% synergy

Scene of the Crime

14% of 7 decks +14% synergy

Power Depot

14% of 7 decks +14% synergy

Gateway Plaza

14% of 7 decks +14% synergy

The Mycosynth Gardens

14% of 7 decks +12% synergy

Forbidden Orchard

14% of 7 decks +12% synergy

Spire of Industry

14% of 7 decks +11% synergy

Ash Barrens

14% of 7 decks +9% synergy

Gemstone Caverns

14% of 7 decks +9% synergy

Prismatic Vista

14% of 7 decks +9% synergy

Cavern of Souls

14% of 7 decks +7% synergy

Mana Confluence

14% of 7 decks +7% synergy

City of Brass

14% of 7 decks +6% synergy

Scalding Tarn

14% of 7 decks +3% synergy

Terramorphic Expanse

14% of 7 decks -1% synergy

Exotic Orchard

14% of 7 decks -22% synergy