Prototype Portal + Clock of Omens + Grinding Station + Seat of the Synod

Prototype Portal
Clock of Omens
Grinding Station
Seat of the Synod

Requires
Prototype Portal must be on the battlefield. Clock of Omens must be on the battlefield. Grinding Station must be on the battlefield. Seat of the Synod must be in exile (exiled by Prototype Portal).
Steps
  1. Activate Prototype Portal by paying 0 and tapping it, creating a token copy of Seat of the Synod.
  2. The Seat of the Synod token enters, triggering Grinding Station, untapping Grinding Station.
  3. Activate Clock of Omens by tapping the Seat of the Synod token and Grinding Station, untapping Prototype Portal.
  4. Repeat.
Results
Infinite landfall triggers. Infinite tapped land tokens.

Top Commanders (1)
Tameshi, Reality Architect
0.45% of 2471 decks 11 decks
High Synergy Cards (10)
Emry, Lurker of the Loch
61% of 46 decks +59% synergy
Oswald Fiddlebender
48% of 27 decks +47% synergy
Marionette Master
43% of 14 decks +41% synergy
Goblin Welder
39% of 18 decks +37% synergy
Goblin Engineer
39% of 18 decks +37% synergy
Seal of Cleansing
37% of 27 decks +36% synergy
Tezzeret, Master of the Bridge
36% of 14 decks +35% synergy
Whir of Invention
35% of 46 decks +33% synergy
Sai, Master Thopterist
35% of 46 decks +33% synergy
Mirran Spy
30% of 46 decks +30% synergy
Top Cards (10)
Sculpting Steel
59% of 46 decks +56% synergy
Krark-Clan Ironworks
52% of 46 decks +51% synergy
Thopter Foundry
50% of 10 decks +50% synergy
Myr Retriever
50% of 46 decks +48% synergy
Esper Sentinel
48% of 27 decks +38% synergy
Mirrorworks
46% of 46 decks +45% synergy
Master Transmuter
46% of 46 decks +45% synergy
Basalt Monolith
46% of 46 decks +43% synergy
Scrap Trawler
43% of 46 decks +41% synergy
Etherium Sculptor
43% of 46 decks +41% synergy
Creatures (50)
Phyrexian Metamorph
37% of 46 decks +34% synergy
Foundry Inspector
33% of 46 decks +28% synergy
Enthusiastic Mechanaut
31% of 16 decks +30% synergy
Solemn Simulacrum
30% of 46 decks +16% synergy
Teshar, Ancestor's Apostle
30% of 27 decks +28% synergy
Keeper of the Accord
30% of 27 decks +28% synergy
Trinket Mage
28% of 46 decks +27% synergy
Jhoira, Weatherlight Captain
28% of 18 decks +26% synergy
Chief Engineer
26% of 46 decks +26% synergy
Walking Atlas
26% of 46 decks +25% synergy
Shimmer Myr
26% of 46 decks +24% synergy
Drafna, Founder of Lat-Nam
25% of 28 decks +25% synergy
Dross Scorpion
24% of 46 decks +24% synergy
Vedalken Archmage
24% of 46 decks +23% synergy
Kuldotha Forgemaster
24% of 46 decks +23% synergy
The Reality Chip
24% of 42 decks +22% synergy
Emeria Angel
22% of 27 decks +21% synergy
Weathered Wayfarer
22% of 27 decks +21% synergy
Hedron Crab
22% of 46 decks +21% synergy
Thought Monitor
22% of 46 decks +20% synergy
Myr Battlesphere
22% of 46 decks +19% synergy
Leaden Myr
21% of 14 decks +20% synergy
Replication Specialist
19% of 42 decks +19% synergy
Urza, Lord High Artificer
17% of 46 decks +16% synergy
Slobad, Goblin Tinkerer
17% of 18 decks +16% synergy
Brudiclad, Telchor Engineer
17% of 18 decks +16% synergy
Iron Myr
17% of 18 decks +15% synergy
Reckless Fireweaver
17% of 18 decks +14% synergy
Transplant Theorist
16% of 19 decks +15% synergy
Shimmer Dragon
15% of 46 decks +14% synergy
Tribute Mage
15% of 46 decks +14% synergy
Silver Myr
15% of 46 decks +14% synergy
Padeem, Consul of Innovation
15% of 46 decks +13% synergy
Ornithopter
15% of 46 decks +13% synergy
Ruin Ghost
15% of 27 decks +15% synergy
Arcbound Ravager
13% of 46 decks +13% synergy
Trophy Mage
13% of 46 decks +12% synergy
Ruin Crab
13% of 46 decks +12% synergy
Spellskite
13% of 46 decks +11% synergy
Jhoira's Familiar
13% of 46 decks +11% synergy
Palladium Myr
13% of 46 decks +11% synergy
Kappa Cannoneer
12% of 40 decks +12% synergy
Covert Technician
12% of 42 decks +12% synergy
Ethersworn Canonist
11% of 27 decks +10% synergy
Bronze Guardian
11% of 27 decks +10% synergy
Gold Myr
11% of 27 decks +10% synergy
Ranger-Captain of Eos
11% of 27 decks +9% synergy
Knight of the White Orchid
11% of 27 decks +8% synergy
Battered Golem
11% of 46 decks +11% synergy
Voltaic Construct
11% of 46 decks +11% synergy
Instants (25)
Counterspell
35% of 46 decks +14% synergy
Swords to Plowshares
30% of 27 decks +1% synergy
Faithful Mending
26% of 27 decks +25% synergy
Enlightened Tutor
26% of 27 decks +18% synergy
Dovin's Veto
22% of 27 decks +17% synergy
Dramatic Reversal
20% of 46 decks +17% synergy
Cyclonic Rift
20% of 46 decks +5% synergy
Dispatch
19% of 27 decks +16% synergy
Mana Drain
17% of 46 decks +10% synergy
Fierce Guardianship
15% of 46 decks +7% synergy
Silence
15% of 27 decks +12% synergy
Path to Exile
11% of 27 decks -8% synergy
Muddle the Mixture
11% of 46 decks +8% synergy
Negate
11% of 46 decks -1% synergy
Stoic Rebuttal
9% of 46 decks +8% synergy
Thirst for Knowledge
9% of 46 decks +8% synergy
Force of Will
9% of 46 decks +3% synergy
Brainstorm
9% of 46 decks -3% synergy
Disruption Protocol
8% of 40 decks +7% synergy
Geistwave
7% of 44 decks +7% synergy
Retraction Helix
7% of 46 decks +6% synergy
High Tide
7% of 46 decks +5% synergy
Pongify
7% of 46 decks +1% synergy
Swan Song
7% of 46 decks -2% synergy
Arcane Denial
7% of 46 decks -3% synergy
Sorceries (17)
Fabricate
33% of 46 decks +29% synergy
Terisiare's Devastation
25% of 12 decks +25% synergy
Blasphemous Act
22% of 18 decks +6% synergy
Reshape
22% of 46 decks +21% synergy
Supreme Verdict
19% of 27 decks +15% synergy
Thoughtcast
17% of 46 decks +16% synergy
Saheeli's Directive
17% of 18 decks +16% synergy
Scrap Mastery
17% of 18 decks +16% synergy
Trash for Treasure
17% of 18 decks +16% synergy
Jeska's Will
17% of 18 decks +8% synergy
Open the Vaults
11% of 27 decks +10% synergy
Dance of the Manse
11% of 27 decks +10% synergy
Approach of the Second Sun
11% of 27 decks +9% synergy
Sevinne's Reclamation
11% of 27 decks +8% synergy
Preordain
11% of 46 decks +5% synergy
Windfall
11% of 46 decks +4% synergy
Ponder
9% of 46 decks +2% synergy
Utility Artifacts (50)
Rings of Brighthearth
39% of 46 decks +37% synergy
Archaeomancer's Map
37% of 27 decks +35% synergy
Blasting Station
37% of 46 decks +36% synergy
Unwinding Clock
37% of 46 decks +34% synergy
Sensei's Divining Top
33% of 46 decks +26% synergy
Ashnod's Altar
30% of 46 decks +23% synergy
Bolas's Citadel
29% of 14 decks +23% synergy
Wayfarer's Bauble
28% of 46 decks +17% synergy
Salvaging Station
26% of 46 decks +26% synergy
Ugin's Nexus
26% of 46 decks +26% synergy
Aether Spellbomb
26% of 46 decks +25% synergy
Voltaic Key
26% of 46 decks +25% synergy
Mishra's Bauble
26% of 46 decks +25% synergy
Mystic Forge
24% of 46 decks +21% synergy
Expedition Map
24% of 46 decks +20% synergy
Aetherflux Reservoir
24% of 46 decks +20% synergy
Lightning Greaves
24% of 46 decks -2% synergy
The One Ring
24% of 17 decks +15% synergy
Cloud Key
22% of 46 decks +20% synergy
Time Sieve
21% of 14 decks +21% synergy
Moonsilver Key
20% of 44 decks +19% synergy
Myr Turbine
20% of 46 decks +19% synergy
Manifold Key
20% of 46 decks +18% synergy
Swiftfoot Boots
20% of 46 decks -9% synergy
Magistrate's Scepter
17% of 46 decks +17% synergy
Welding Jar
17% of 46 decks +17% synergy
Ghirapur Orrery
17% of 46 decks +17% synergy
Codex Shredder
17% of 46 decks +17% synergy
Trading Post
17% of 46 decks +16% synergy
Darksteel Forge
17% of 46 decks +16% synergy
Flayer Husk
15% of 46 decks +15% synergy
Staff of Domination
15% of 46 decks +13% synergy
Isochron Scepter
15% of 46 decks +12% synergy
Skullclamp
15% of 46 decks +2% synergy
Retrofitter Foundry
13% of 46 decks +13% synergy
Mindslaver
13% of 46 decks +13% synergy
Urza's Bauble
13% of 46 decks +13% synergy
Heartstone
13% of 46 decks +12% synergy
Semblance Anvil
13% of 46 decks +12% synergy
Soul-Guide Lantern
13% of 46 decks +12% synergy
Forsaken Monument
13% of 46 decks +12% synergy
Lithoform Engine
13% of 46 decks +11% synergy
Ichor Wellspring
13% of 46 decks +11% synergy
Idol of Oblivion
13% of 46 decks +9% synergy
Encroaching Mycosynth
12% of 25 decks +11% synergy
Summoning Station
11% of 46 decks +11% synergy
Helm of Awakening
11% of 46 decks +10% synergy
Spine of Ish Sah
11% of 46 decks +10% synergy
Perpetual Timepiece
11% of 46 decks +10% synergy
Tormod's Crypt
11% of 46 decks +10% synergy
Enchantments (28)
Felidar Retreat
30% of 27 decks +26% synergy
Retreat to Coralhelm
28% of 46 decks +27% synergy
Mirrodin Besieged
26% of 46 decks +25% synergy
Mystic Remora
26% of 46 decks +17% synergy
Storm the Vault
22% of 18 decks +21% synergy
Smothering Tithe
22% of 27 decks +10% synergy
Rhystic Study
22% of 46 decks +8% synergy
Angelic Renewal
19% of 27 decks +18% synergy
Solitary Confinement
19% of 27 decks +18% synergy
Aura of Silence
19% of 27 decks +17% synergy
Artificer's Intuition
17% of 46 decks +17% synergy
Seal of Removal
17% of 46 decks +17% synergy
Ghirapur Aether Grid
17% of 18 decks +16% synergy
Mechanized Production
13% of 46 decks +12% synergy
Training Grounds
13% of 46 decks +12% synergy
Thopter Spy Network
13% of 46 decks +11% synergy
Planar Collapse
11% of 27 decks +11% synergy
Retreat to Emeria
11% of 27 decks +11% synergy
Soul Snare
11% of 27 decks +11% synergy
Artificer Class
9% of 34 decks +8% synergy
Trade Routes
9% of 46 decks +8% synergy
Counterbalance
9% of 46 decks +8% synergy
Attunement
7% of 46 decks +6% synergy
Confounding Conundrum
7% of 46 decks +6% synergy
Efficient Construction
7% of 46 decks +6% synergy
Freed from the Real
7% of 46 decks +5% synergy
Mirrormade
7% of 46 decks +5% synergy
Imprisoned in the Moon
7% of 46 decks +5% synergy
Planeswalkers (9)
Daretti, Scrap Savant
28% of 18 decks +26% synergy
Tezzeret the Seeker
22% of 46 decks +20% synergy
Saheeli, Sublime Artificer
17% of 18 decks +15% synergy
Tezzeret, Betrayer of Flesh
15% of 40 decks +14% synergy
Tezzeret, Artifice Master
11% of 46 decks +10% synergy
Karn, Living Legacy
9% of 32 decks +9% synergy
Ugin, the Ineffable
9% of 46 decks +7% synergy
Karn, the Great Creator
7% of 46 decks +5% synergy
Narset, Parter of Veils
7% of 46 decks +3% synergy
Utility Lands (32)
Vault of Whispers
100% of 14 decks +98% synergy
Ancient Den
100% of 27 decks +97% synergy
Great Furnace
89% of 18 decks +86% synergy
Darksteel Citadel
85% of 46 decks +81% synergy
Tree of Tales
83% of 6 decks +82% synergy
Inventors' Fair
57% of 46 decks +52% synergy
Treasure Vault
52% of 46 decks +50% synergy
Academy Ruins
50% of 46 decks +47% synergy
Urza's Saga
41% of 46 decks +34% synergy
Buried Ruin
37% of 46 decks +32% synergy
Reliquary Tower
26% of 46 decks -2% synergy
Mystic Sanctuary
24% of 46 decks +17% synergy
Havengul Laboratory
21% of 14 decks +21% synergy
Tolaria West
17% of 46 decks +17% synergy
Otawara, Soaring City
14% of 42 decks +6% synergy
Ancient Tomb
13% of 46 decks +2% synergy
Glacial Chasm
11% of 46 decks +10% synergy
Terrain Generator
11% of 46 decks +10% synergy
Urza's Tower
11% of 46 decks +9% synergy
Urza's Power Plant
11% of 46 decks +9% synergy
Urza's Mine
11% of 46 decks +9% synergy
Guildless Commons
9% of 46 decks +7% synergy
Ghost Town
7% of 46 decks +6% synergy
Mishra's Workshop
7% of 46 decks +6% synergy
Oboro, Palace in the Clouds
7% of 46 decks +6% synergy
Phyrexia's Core
7% of 46 decks +6% synergy
Sunscorched Desert
7% of 46 decks +6% synergy
Mishra's Factory
7% of 46 decks +6% synergy
Wasteland
7% of 46 decks +5% synergy
Minamo, School at Water's Edge
7% of 46 decks +5% synergy
Strip Mine
7% of 46 decks +3% synergy
Rogue's Passage
7% of 46 decks -12% synergy
Mana Artifacts (37)
Sol Ring
91% of 46 decks +7% synergy
Arcane Signet
61% of 46 decks -10% synergy
Azorius Signet
44% of 27 decks +38% synergy
Lotus Petal
33% of 46 decks +26% synergy
Thran Dynamo
30% of 46 decks +26% synergy
Lotus Bloom
30% of 46 decks +30% synergy
Orzhov Signet
30% of 10 decks +23% synergy
Talisman of Progress
30% of 27 decks +25% synergy
Dimir Signet
29% of 14 decks +20% synergy
Izzet Signet
28% of 18 decks +21% synergy
Mox Opal
26% of 46 decks +22% synergy
Mana Crypt
26% of 46 decks +15% synergy
Mana Vault
22% of 46 decks +15% synergy
Thought Vessel
20% of 46 decks +4% synergy
Mind Stone
20% of 46 decks +1% synergy
Cursed Mirror
17% of 18 decks +14% synergy
Talisman of Creativity
17% of 18 decks +10% synergy
Grim Monolith
15% of 46 decks +13% synergy
Everflowing Chalice
15% of 46 decks +10% synergy
Machine God's Effigy
14% of 28 decks +14% synergy
Empowered Autogenerator
13% of 46 decks +13% synergy
Chromatic Orrery
13% of 46 decks +11% synergy
Hedron Archive
13% of 46 decks +10% synergy
Liquimetal Torque
13% of 46 decks +9% synergy
Fellwar Stone
13% of 46 decks -8% synergy
Chromatic Star
11% of 46 decks +10% synergy
Mox Tantalite
9% of 46 decks +8% synergy
Blinkmoth Urn
9% of 46 decks +8% synergy
Sol Talisman
9% of 46 decks +8% synergy
Dreamstone Hedron
9% of 46 decks +8% synergy
Skyclave Relic
9% of 46 decks +7% synergy
Chromatic Lantern
9% of 46 decks -1% synergy
Commander's Sphere
9% of 46 decks -8% synergy
Moonsnare Prototype
7% of 42 decks +7% synergy
Powerstone Shard
7% of 46 decks +6% synergy
Myr Reservoir
7% of 46 decks +6% synergy
Sky Diamond
7% of 46 decks +4% synergy
Lands (50)
Drossforge Bridge
91% of 11 decks +90% synergy
Goldmire Bridge
90% of 10 decks +89% synergy
Mistvault Bridge
86% of 14 decks +84% synergy
Slagwoods Bridge
75% of 4 decks +74% synergy
Rustvale Bridge
75% of 8 decks +74% synergy
Silverbluff Bridge
72% of 18 decks +71% synergy
Tanglepool Bridge
67% of 6 decks +66% synergy
Razortide Bridge
63% of 27 decks +61% synergy
Command Tower
57% of 46 decks -17% synergy
Hallowed Fountain
48% of 27 decks +39% synergy
The Mycosynth Gardens
44% of 25 decks +41% synergy
Watery Grave
43% of 14 decks +32% synergy
Steam Vents
39% of 18 decks +30% synergy
Blood Crypt
36% of 11 decks +27% synergy
Shivan Reef
33% of 18 decks +28% synergy
Godless Shrine
30% of 10 decks +20% synergy
Xander's Lounge
27% of 11 decks +24% synergy
Spire of Industry
24% of 46 decks +21% synergy
Azorius Chancery
22% of 27 decks +19% synergy
Izzet Boilerworks
22% of 18 decks +18% synergy
Glacial Fortress
22% of 27 decks +17% synergy
Prairie Stream
22% of 27 decks +15% synergy
Underground River
21% of 14 decks +17% synergy
Irrigated Farmland
19% of 27 decks +17% synergy
Deserted Beach
19% of 27 decks +15% synergy
Sea of Clouds
19% of 27 decks +13% synergy
Power Depot
17% of 46 decks +17% synergy
Exotic Orchard
17% of 46 decks -17% synergy
Sulfur Falls
17% of 18 decks +10% synergy
Hengegate Pathway
15% of 27 decks +13% synergy
Glimmervoid
13% of 46 decks +13% synergy
Flooded Strand
13% of 46 decks +3% synergy
Evolving Wilds
13% of 46 decks -9% synergy
Adarkar Wastes
11% of 27 decks +8% synergy
Tundra
11% of 27 decks +8% synergy
City of Brass
11% of 46 decks +2% synergy
Polluted Delta
11% of 46 decks +0% synergy
Scalding Tarn
11% of 46 decks -0% synergy
Marsh Flats
11% of 46 decks -1% synergy
Reflecting Pool
9% of 46 decks +3% synergy
Terramorphic Expanse
9% of 46 decks -7% synergy
Tarnished Citadel
7% of 46 decks +6% synergy
Ash Barrens
7% of 46 decks +2% synergy
Prismatic Vista
7% of 46 decks +0% synergy
Mana Confluence
7% of 46 decks -1% synergy
Fabled Passage
7% of 46 decks -3% synergy
Arid Mesa
7% of 46 decks -4% synergy
Misty Rainforest
7% of 46 decks -5% synergy
Path of Ancestry
7% of 46 decks -13% synergy
Myriad Landscape
7% of 46 decks -15% synergy