Prototype Portal + Retreat to Coralhelm + Ensoul Artifact + Darksteel Citadel

Prototype Portal
Retreat to Coralhelm
Ensoul Artifact
Darksteel Citadel

Requires
Prototype Portal must be on the battlefield. Retreat to Coralhelm must be on the battlefield. Ensoul Artifact must be on the battlefield. Darksteel Citadel must be in exile (exiled by Prototype Portal). Ensoul Artifact attached to Prototype Portal. Prototype Portal does not have summoning sickness.
Steps
  1. Activate Prototype Portal by tapping it, creating a token copy of Darksteel Citadel.
  2. When the Darksteel Citadel token enters the battlefield, Retreat to Coralhelm triggers, untapping Prototype Portal.
  3. Repeat.
Results
Infinite colorless mana. Infinite Darksteel Citadel tokens. Infinite landfall triggers.

Tatyova, Benthic Druid
0.02% of 5751 decks 1 decks
Nin, the Pain Artist
0.12% of 841 decks 1 decks
Emry, Lurker of the Loch
0.02% of 4198 decks 1 decks
Creatures
Budoka Gardener
100% of 1 decks +100% synergy
Donna Noble
100% of 1 decks +100% synergy
Scaled Herbalist
100% of 1 decks +100% synergy
Toggo, Goblin Weaponsmith
100% of 1 decks +99% synergy
Jadzi, Oracle of Arcavios
100% of 1 decks +99% synergy
Llanowar Scout
100% of 1 decks +99% synergy
Sporemound
100% of 1 decks +98% synergy
Risen Reef
100% of 1 decks +97% synergy
Niv-Mizzet, the Firemind
100% of 1 decks +96% synergy
Farhaven Elf
100% of 1 decks +96% synergy
Courser of Kruphix
100% of 1 decks +96% synergy
Brash Taunter
100% of 1 decks +96% synergy
The Locust God
100% of 1 decks +95% synergy
Tireless Tracker
100% of 1 decks +95% synergy
Rampaging Baloths
100% of 1 decks +93% synergy
Coiling Oracle
100% of 1 decks +92% synergy
Niv-Mizzet, Parun
100% of 1 decks +92% synergy
Reclamation Sage
100% of 1 decks +89% synergy
Sakura-Tribe Elder
100% of 1 decks +81% synergy
Llanowar Elves
100% of 1 decks +79% synergy
Thermal Navigator
33% of 3 decks +33% synergy
Cogwork Assembler
33% of 3 decks +33% synergy
Coretapper
33% of 3 decks +33% synergy
Sphinx of Magosi
33% of 3 decks +33% synergy
Vhal, Candlekeep Researcher
33% of 3 decks +33% synergy
Dross Scorpion
33% of 3 decks +33% synergy
Augur of Bolas
33% of 3 decks +33% synergy
Mirran Spy
33% of 3 decks +33% synergy
Darksteel Myr
33% of 3 decks +33% synergy
Scaretiller
33% of 3 decks +33% synergy
Sphinx of Uthuun
33% of 3 decks +33% synergy
Corridor Monitor
33% of 3 decks +33% synergy
Kefnet the Mindful
33% of 3 decks +33% synergy
Chakram Retriever
33% of 3 decks +33% synergy
Trench Behemoth
33% of 3 decks +33% synergy
Walking Atlas
33% of 3 decks +33% synergy
Riddlesmith
33% of 3 decks +33% synergy
Vedalken Engineer
33% of 3 decks +33% synergy
Shrieking Drake
33% of 3 decks +33% synergy
Drafna, Founder of Lat-Nam
33% of 3 decks +33% synergy
Omen Hawker
33% of 3 decks +33% synergy
Gadwick, the Wizened
33% of 3 decks +33% synergy
Azami, Lady of Scrolls
33% of 3 decks +32% synergy
Stuffy Doll
33% of 3 decks +32% synergy
Syr Ginger, the Meal Ender
33% of 3 decks +32% synergy
Tidespout Tyrant
33% of 3 decks +32% synergy
Meloku the Clouded Mirror
33% of 3 decks +32% synergy
Drift of Phantasms
33% of 3 decks +32% synergy
Stonecoil Serpent
33% of 3 decks +32% synergy
Body of Knowledge
33% of 3 decks +32% synergy
Instants
Reclaim
100% of 1 decks +99% synergy
Jaheira's Respite
100% of 1 decks +99% synergy
Comet Storm
100% of 1 decks +97% synergy
Roiling Regrowth
100% of 1 decks +97% synergy
Eureka Moment
100% of 1 decks +96% synergy
Entish Restoration
100% of 1 decks +92% synergy
Harrow
100% of 1 decks +90% synergy
Nature's Claim
100% of 1 decks +90% synergy
Crop Rotation
100% of 1 decks +90% synergy
Growth Spiral
100% of 1 decks +78% synergy
Chaos Warp
100% of 1 decks +68% synergy
Counterspell
100% of 3 decks +57% synergy
Dispel
67% of 3 decks +62% synergy
Ghostly Flicker
67% of 3 decks +62% synergy
Tidal Bore
33% of 3 decks +33% synergy
Reality Heist
33% of 3 decks +33% synergy
Winds of Rebuke
33% of 3 decks +33% synergy
Foil
33% of 3 decks +32% synergy
Into the Roil
33% of 3 decks +32% synergy
Otherworldly Gaze
33% of 3 decks +32% synergy
Thirst for Knowledge
33% of 3 decks +32% synergy
Evacuation
33% of 3 decks +31% synergy
Filter Out
33% of 3 decks +31% synergy
Thought Scour
33% of 3 decks +31% synergy
Blue Sun's Zenith
33% of 3 decks +31% synergy
Mystic Confluence
33% of 3 decks +30% synergy
Muddle the Mixture
33% of 3 decks +28% synergy
Aetherize
33% of 3 decks +28% synergy
Consider
33% of 3 decks +27% synergy
Fact or Fiction
33% of 3 decks +27% synergy
Reality Shift
33% of 3 decks +24% synergy
Frantic Search
33% of 3 decks +21% synergy
Negate
33% of 3 decks +11% synergy
Sorceries
Journey of Discovery
100% of 1 decks +100% synergy
Edge of Autumn
100% of 1 decks +99% synergy
Broken Bond
100% of 1 decks +98% synergy
Hell to Pay
100% of 1 decks +98% synergy
Circuitous Route
100% of 1 decks +98% synergy
Sylvan Scrying
100% of 1 decks +97% synergy
Search for Tomorrow
100% of 1 decks +97% synergy
Doppelgang
100% of 1 decks +96% synergy
Urban Evolution
100% of 1 decks +96% synergy
Chain Reaction
100% of 1 decks +95% synergy
Harmonize
100% of 1 decks +91% synergy
Explore
100% of 1 decks +91% synergy
Blasphemous Act
100% of 1 decks +66% synergy
Rampant Growth
100% of 1 decks +65% synergy
Cultivate
100% of 1 decks +54% synergy
Curse of the Swine
67% of 3 decks +62% synergy
Forging the Anchor
33% of 3 decks +33% synergy
Walk the Aeons
33% of 3 decks +32% synergy
Flood of Tears
33% of 3 decks +32% synergy
Rise and Shine
33% of 3 decks +32% synergy
Thoughtcast
33% of 3 decks +30% synergy
Treasure Cruise
33% of 3 decks +28% synergy
Fabricate
33% of 3 decks +27% synergy
Utility Artifacts
Nevinyrral's Disk
67% of 3 decks +65% synergy
Elixir of Immortality
67% of 3 decks +65% synergy
Shriekhorn
33% of 3 decks +33% synergy
Salvaging Station
33% of 3 decks +33% synergy
Ransom Note
33% of 3 decks +33% synergy
Magistrate's Scepter
33% of 3 decks +33% synergy
Conjurer's Bauble
33% of 3 decks +33% synergy
Codex Shredder
33% of 3 decks +33% synergy
Helm of Awakening
33% of 3 decks +32% synergy
Clock of Omens
33% of 3 decks +32% synergy
Zuran Orb
33% of 3 decks +32% synergy
Trading Post
33% of 3 decks +32% synergy
Encroaching Mycosynth
33% of 3 decks +32% synergy
Mishra's Bauble
33% of 3 decks +32% synergy
Aether Spellbomb
33% of 3 decks +32% synergy
Manifold Key
33% of 3 decks +32% synergy
Ichor Wellspring
33% of 3 decks +32% synergy
Wayfarer's Bauble
33% of 3 decks +23% synergy
Swiftfoot Boots
33% of 3 decks +5% synergy
Enchantments
Presence of Gond
100% of 1 decks +100% synergy
Retreat to Kazandu
100% of 1 decks +98% synergy
Druid Class
100% of 1 decks +97% synergy
Wilderness Reclamation
100% of 1 decks +96% synergy
Cast Through Time
33% of 3 decks +33% synergy
Fool's Demise
33% of 3 decks +33% synergy
March of the Machines
33% of 3 decks +33% synergy
Secrets of the Dead
33% of 3 decks +33% synergy
Witness Protection
33% of 3 decks +32% synergy
Proft's Eidetic Memory
33% of 3 decks +31% synergy
Planeswalkers
Will Kenrith
33% of 3 decks +33% synergy
Tezzeret, Betrayer of Flesh
33% of 3 decks +32% synergy
Utility Lands
Desert of the Fervent
100% of 1 decks +99% synergy
Tranquil Thicket
100% of 1 decks +96% synergy
Desolate Lighthouse
100% of 1 decks +96% synergy
Forgotten Cave
100% of 1 decks +95% synergy
Great Furnace
100% of 1 decks +94% synergy
Alchemist's Refuge
100% of 1 decks +93% synergy
Mosswort Bridge
100% of 1 decks +90% synergy
Buried Ruin
67% of 3 decks +61% synergy
Blighted Cataract
33% of 3 decks +33% synergy
Cryptic Caves
33% of 3 decks +33% synergy
Sanctum of Eternity
33% of 3 decks +33% synergy
Mirrorpool
33% of 3 decks +33% synergy
Mishra's Factory
33% of 3 decks +33% synergy
Desert of the Mindful
33% of 3 decks +32% synergy
Faerie Conclave
33% of 3 decks +32% synergy
Radiant Fountain
33% of 3 decks +32% synergy
Guildless Commons
33% of 3 decks +32% synergy
Riptide Laboratory
33% of 3 decks +31% synergy
Thespian's Stage
33% of 3 decks +31% synergy
Halimar Depths
33% of 3 decks +30% synergy
Lonely Sandbar
33% of 3 decks +30% synergy
Scavenger Grounds
33% of 3 decks +30% synergy
Seat of the Synod
33% of 3 decks +27% synergy
Temple of the False God
33% of 3 decks +24% synergy
Mystic Sanctuary
33% of 3 decks +21% synergy
Reliquary Tower
33% of 3 decks +4% synergy
Mana Artifacts
Simic Signet
100% of 1 decks +85% synergy
Commander's Sphere
100% of 3 decks +85% synergy
Thought Vessel
67% of 3 decks +50% synergy
Mind Stone
67% of 3 decks +49% synergy
Slagstone Refinery
33% of 3 decks +33% synergy
Mana Geode
33% of 3 decks +33% synergy
Chromatic Star
33% of 3 decks +33% synergy
Darksteel Ingot
33% of 3 decks +32% synergy
Prismatic Lens
33% of 3 decks +32% synergy
Thran Dynamo
33% of 3 decks +28% synergy
Decanter of Endless Water
33% of 3 decks +28% synergy
Midnight Clock
33% of 3 decks +28% synergy
Fellwar Stone
33% of 3 decks +12% synergy
Sol Ring
33% of 3 decks -51% synergy
Lands
Highland Lake
100% of 1 decks +98% synergy
Izzet Guildgate
100% of 1 decks +95% synergy
Overflowing Basin
100% of 1 decks +89% synergy
Izzet Boilerworks
100% of 1 decks +84% synergy
Temple of Mystery
100% of 1 decks +83% synergy
Temple of Epiphany
100% of 1 decks +82% synergy
Simic Growth Chamber
100% of 1 decks +80% synergy
Terramorphic Expanse
67% of 3 decks +51% synergy
Myriad Landscape
67% of 3 decks +47% synergy
Command Tower
67% of 3 decks -7% synergy
Warped Landscape
33% of 3 decks +33% synergy
Gateway Plaza
33% of 3 decks +33% synergy
Scene of the Crime
33% of 3 decks +32% synergy
Brokers Hideout
33% of 3 decks +32% synergy
Riveteers Overlook
33% of 3 decks +31% synergy
Opal Palace
33% of 3 decks +31% synergy
Ash Barrens
33% of 3 decks +29% synergy
Reflecting Pool
33% of 3 decks +28% synergy
Evolving Wilds
33% of 3 decks +12% synergy