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.

Top Commanders (2)
Emry, Lurker of the Loch
0.03% of 3812 decks 1 decks
Tatyova, Benthic Druid
0.02% of 5122 decks 1 decks
New Cards (3)
Doppelgang
100% of 1 decks +99% synergy
Overflowing Basin
100% of 1 decks +97% synergy
Scene of the Crime
50% of 2 decks +49% synergy
Creatures (43)
Budoka Gardener
100% of 1 decks +100% synergy
Jadzi, Oracle of Arcavios
100% of 1 decks +100% synergy
Scaled Herbalist
100% of 1 decks +100% synergy
Llanowar Scout
100% of 1 decks +100% synergy
Sporemound
100% of 1 decks +99% synergy
Risen Reef
100% of 1 decks +99% synergy
Coiling Oracle
100% of 1 decks +98% synergy
Courser of Kruphix
100% of 1 decks +98% synergy
Farhaven Elf
100% of 1 decks +98% synergy
Tireless Tracker
100% of 1 decks +98% synergy
Rampaging Baloths
100% of 1 decks +97% synergy
Reclamation Sage
100% of 1 decks +94% synergy
Sakura-Tribe Elder
100% of 1 decks +91% synergy
Llanowar Elves
100% of 1 decks +90% synergy
Thermal Navigator
50% of 2 decks +50% synergy
Vhal, Candlekeep Researcher
50% of 2 decks +50% synergy
Cogwork Assembler
50% of 2 decks +50% synergy
Coretapper
50% of 2 decks +50% synergy
Mirran Spy
50% of 2 decks +50% synergy
Corridor Monitor
50% of 2 decks +50% synergy
Chakram Retriever
50% of 2 decks +50% synergy
Trench Behemoth
50% of 2 decks +50% synergy
Shrieking Drake
50% of 2 decks +50% synergy
Vedalken Engineer
50% of 2 decks +50% synergy
Scaretiller
50% of 2 decks +50% synergy
Riddlesmith
50% of 2 decks +50% synergy
Drafna, Founder of Lat-Nam
50% of 2 decks +50% synergy
Meloku the Clouded Mirror
50% of 2 decks +49% synergy
Drift of Phantasms
50% of 2 decks +49% synergy
Walking Atlas
50% of 2 decks +49% synergy
Master of Etherium
50% of 2 decks +49% synergy
Stonecoil Serpent
50% of 2 decks +49% synergy
Syr Ginger, the Meal Ender
50% of 2 decks +49% synergy
Trinket Mage
50% of 2 decks +49% synergy
Tribute Mage
50% of 2 decks +49% synergy
Padeem, Consul of Innovation
50% of 2 decks +48% synergy
Shimmer Myr
50% of 2 decks +48% synergy
Sai, Master Thopterist
50% of 2 decks +48% synergy
Myr Battlesphere
50% of 2 decks +48% synergy
Meteor Golem
50% of 2 decks +48% synergy
Etherium Sculptor
50% of 2 decks +47% synergy
Mulldrifter
50% of 2 decks +47% synergy
Foundry Inspector
50% of 2 decks +46% synergy
Instants (26)
Reclaim
100% of 1 decks +100% synergy
Jaheira's Respite
100% of 1 decks +99% synergy
Eureka Moment
100% of 1 decks +99% synergy
Roiling Regrowth
100% of 1 decks +98% synergy
Dispel
100% of 2 decks +97% synergy
Entish Restoration
100% of 1 decks +96% synergy
Crop Rotation
100% of 1 decks +95% synergy
Growth Spiral
100% of 1 decks +95% synergy
Harrow
100% of 1 decks +95% synergy
Nature's Claim
100% of 1 decks +95% synergy
Counterspell
100% of 2 decks +79% synergy
Tidal Bore
50% of 2 decks +50% synergy
Reality Heist
50% of 2 decks +50% synergy
Winds of Rebuke
50% of 2 decks +50% synergy
Foil
50% of 2 decks +50% synergy
Otherworldly Gaze
50% of 2 decks +49% synergy
Thirst for Knowledge
50% of 2 decks +49% synergy
Thought Scour
50% of 2 decks +49% synergy
Filter Out
50% of 2 decks +48% synergy
Aetherize
50% of 2 decks +47% synergy
Ghostly Flicker
50% of 2 decks +47% synergy
Muddle the Mixture
50% of 2 decks +47% synergy
Consider
50% of 2 decks +47% synergy
Reality Shift
50% of 2 decks +45% synergy
Frantic Search
50% of 2 decks +44% synergy
Negate
50% of 2 decks +38% synergy
Sorceries (17)
Journey of Discovery
100% of 1 decks +100% synergy
Edge of Autumn
100% of 1 decks +100% synergy
Broken Bond
100% of 1 decks +99% synergy
Urban Evolution
100% of 1 decks +99% synergy
Circuitous Route
100% of 1 decks +99% synergy
Sylvan Scrying
100% of 1 decks +99% synergy
Search for Tomorrow
100% of 1 decks +98% synergy
Curse of the Swine
100% of 2 decks +98% synergy
Explore
100% of 1 decks +96% synergy
Harmonize
100% of 1 decks +95% synergy
Rampant Growth
100% of 1 decks +83% synergy
Cultivate
100% of 1 decks +78% synergy
Forging the Anchor
50% of 2 decks +50% synergy
Flood of Tears
50% of 2 decks +49% synergy
Rise and Shine
50% of 2 decks +49% synergy
Thoughtcast
50% of 2 decks +48% synergy
Treasure Cruise
50% of 2 decks +47% synergy
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Elixir of Immortality
100% of 2 decks +98% synergy
Magistrate's Scepter
50% of 2 decks +50% synergy
Conjurer's Bauble
50% of 2 decks +50% synergy
Ransom Note
50% of 2 decks +49% synergy
Encroaching Mycosynth
50% of 2 decks +49% synergy
Aether Spellbomb
50% of 2 decks +49% synergy
Codex Shredder
50% of 2 decks +49% synergy
Helm of Awakening
50% of 2 decks +49% synergy
Zuran Orb
50% of 2 decks +49% synergy
Mishra's Bauble
50% of 2 decks +49% synergy
Nevinyrral's Disk
50% of 2 decks +49% synergy
Manifold Key
50% of 2 decks +48% synergy
Ichor Wellspring
50% of 2 decks +48% synergy
Wayfarer's Bauble
50% of 2 decks +39% synergy
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Presence of Gond
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Retreat to Kazandu
100% of 1 decks +99% synergy
Druid Class
100% of 1 decks +99% synergy
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100% of 1 decks +98% synergy
Fool's Demise
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Secrets of the Dead
50% of 2 decks +50% synergy
Witness Protection
50% of 2 decks +49% synergy
Planeswalkers (1)
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Alchemist's Refuge
100% of 1 decks +98% synergy
Tranquil Thicket
100% of 1 decks +98% synergy
Mosswort Bridge
100% of 1 decks +95% synergy
Guildless Commons
50% of 2 decks +49% synergy
Thespian's Stage
50% of 2 decks +47% synergy
Scavenger Grounds
50% of 2 decks +46% synergy
Buried Ruin
50% of 2 decks +45% synergy
Mystic Sanctuary
50% of 2 decks +44% synergy
Temple of the False God
50% of 2 decks +40% synergy
Mana Artifacts (9)
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Commander's Sphere
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Slagstone Refinery
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Chromatic Star
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Prismatic Lens
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Midnight Clock
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Mind Stone
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Fellwar Stone
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Lands (10)
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Simic Growth Chamber
100% of 1 decks +96% synergy
Gateway Plaza
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Brokers Hideout
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Riveteers Overlook
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Opal Palace
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Terramorphic Expanse
50% of 2 decks +34% synergy
Myriad Landscape
50% of 2 decks +29% synergy
Evolving Wilds
50% of 2 decks +28% synergy
Command Tower
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