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.

Urtet, Remnant of Memnarch
0.04% of 13909 decks 6 decks
Breya, Etherium Shaper
0.03% of 15305 decks 5 decks
Tameshi, Reality Architect
0.19% of 2640 decks 5 decks
Emry, Lurker of the Loch
0.09% of 4643 decks 4 decks
Iron Man, Titan of Innovation
0.08% of 4773 decks 4 decks
Silas Renn, Seeker Adept // Toggo, Goblin Weaponsmith
0.87% of 229 decks 2 decks
Urza, Lord High Artificer
0.01% of 14145 decks 2 decks
Arcum Dagsson
0.13% of 1540 decks 2 decks
Brudiclad, Telchor Engineer
0.04% of 5337 decks 2 decks
Thrasios, Triton Hero // Toggo, Goblin Weaponsmith
0.27% of 753 decks 2 decks
Drafna, Founder of Lat-Nam
0.10% of 983 decks 1 decks
Saheeli, the Gifted
0.05% of 1929 decks 1 decks
Gimbal, Gremlin Prodigy
0.03% of 3374 decks 1 decks
Rashmi and Ragavan
0.02% of 5952 decks 1 decks
Tawnos, Solemn Survivor
0.10% of 984 decks 1 decks
Reaper King
0.02% of 5861 decks 1 decks
Omnath, Locus of All
0.01% of 14805 decks 1 decks
Padeem, Consul of Innovation
0.27% of 365 decks 1 decks
New Cards
Demonic Junker
20% of 10 decks +19% synergy
Repurposing Bay
14% of 21 decks +13% synergy
Riptide Gearhulk
11% of 9 decks +8% synergy
Voyager Quickwelder
11% of 9 decks +9% synergy
Pactdoll Terror
11% of 9 decks +11% synergy
High Synergy Cards
Vault of Whispers
95% of 21 decks +91% synergy
Ancient Den
89% of 27 decks +84% synergy
Great Furnace
84% of 31 decks +78% synergy
Tree of Tales
80% of 15 decks +78% synergy
Darksteel Citadel
78% of 59 decks +74% synergy
Krark-Clan Ironworks
51% of 59 decks +50% synergy
Inventors' Fair
53% of 59 decks +49% synergy
Myr Retriever
47% of 59 decks +46% synergy
Scrap Trawler
46% of 59 decks +44% synergy
Etherium Sculptor
49% of 59 decks +44% synergy
Top Cards
Foundry Inspector
41% of 59 decks +37% synergy
Sensei's Divining Top
41% of 59 decks +36% synergy
Copper Myr
40% of 15 decks +39% synergy
Blasting Station
39% of 59 decks +38% synergy
Sculpting Steel
39% of 59 decks +37% synergy
Unwinding Clock
39% of 59 decks +36% synergy
Emry, Lurker of the Loch
39% of 59 decks +35% synergy
Counterspell
39% of 59 decks -4% synergy
Thopter Foundry
38% of 16 decks +36% synergy
Mystic Forge
37% of 59 decks +34% synergy
Game Changers
Enlightened Tutor
30% of 27 decks +13% synergy
Urza, Lord High Artificer
19% of 59 decks +15% synergy
Grim Monolith
15% of 59 decks +13% synergy
Bolas's Citadel
14% of 21 decks +6% synergy
The One Ring
14% of 59 decks +6% synergy
Mana Vault
12% of 59 decks +6% synergy
Thassa's Oracle
12% of 59 decks +5% synergy
Ancient Tomb
8% of 59 decks -2% synergy
Mox Diamond
5% of 59 decks +1% synergy
Force of Will
5% of 59 decks -6% synergy
Creatures
Esper Sentinel
37% of 27 decks +17% synergy
Phyrexian Metamorph
36% of 59 decks +29% synergy
Master Transmuter
34% of 59 decks +32% synergy
Sai, Master Thopterist
34% of 59 decks +30% synergy
Leaden Myr
33% of 21 decks +31% synergy
Goblin Welder
32% of 31 decks +30% synergy
Solemn Simulacrum
31% of 59 decks +17% synergy
Oswald Fiddlebender
30% of 27 decks +28% synergy
Goblin Engineer
29% of 31 decks +26% synergy
Enthusiastic Mechanaut
29% of 31 decks +25% synergy
Thought Monitor
27% of 59 decks +24% synergy
Jaheira, Friend of the Forest
27% of 15 decks +22% synergy
Adrix and Nev, Twincasters
27% of 15 decks +21% synergy
Ethersworn Canonist
26% of 27 decks +24% synergy
Teshar, Ancestor's Apostle
26% of 27 decks +24% synergy
Gold Myr
26% of 27 decks +23% synergy
Iron Myr
26% of 31 decks +23% synergy
Shimmer Myr
25% of 59 decks +24% synergy
Myr Battlesphere
25% of 59 decks +24% synergy
Silver Myr
25% of 59 decks +23% synergy
The Reality Chip
25% of 59 decks +22% synergy
Marionette Master
24% of 21 decks +21% synergy
Dross Scorpion
24% of 59 decks +24% synergy
Kuldotha Forgemaster
24% of 59 decks +23% synergy
Reckless Fireweaver
23% of 31 decks +18% synergy
Vedalken Archmage
22% of 59 decks +21% synergy
Tireless Tracker
20% of 15 decks +15% synergy
Tireless Provisioner
20% of 15 decks +9% synergy
Jhoira, Weatherlight Captain
19% of 31 decks +14% synergy
Baleful Strix
19% of 21 decks +6% synergy
Sharuum the Hegemon
19% of 16 decks +17% synergy
Ethersworn Adjudicator
19% of 16 decks +17% synergy
Palladium Myr
19% of 59 decks +17% synergy
Academy Manufactor
19% of 59 decks +15% synergy
Mirran Spy
17% of 59 decks +17% synergy
Chief Engineer
17% of 59 decks +16% synergy
Jhoira's Familiar
17% of 59 decks +15% synergy
Shimmer Dragon
17% of 59 decks +15% synergy
Ornithopter
17% of 59 decks +15% synergy
Trinket Mage
17% of 59 decks +15% synergy
Crime Novelist
17% of 24 decks +14% synergy
Myr Galvanizer
15% of 59 decks +15% synergy
Alloy Myr
15% of 59 decks +15% synergy
Drafna, Founder of Lat-Nam
15% of 59 decks +15% synergy
Junk Diver
15% of 59 decks +15% synergy
Plague Myr
15% of 59 decks +14% synergy
Tribute Mage
15% of 59 decks +13% synergy
Walking Ballista
15% of 59 decks +13% synergy
Keeper of the Accord
15% of 27 decks +11% synergy
Imotekh the Stormlord
14% of 21 decks +14% synergy
Instants
Whir of Invention
25% of 59 decks +23% synergy
Swords to Plowshares
22% of 27 decks -40% synergy
Beast Within
20% of 15 decks -17% synergy
Dramatic Reversal
17% of 59 decks +12% synergy
Arcane Denial
15% of 59 decks -5% synergy
Dispatch
15% of 27 decks +10% synergy
Silence
15% of 27 decks +9% synergy
Dovin's Veto
15% of 27 decks -3% synergy
Drown in the Loch
14% of 21 decks +9% synergy
Thirst for Knowledge
14% of 59 decks +12% synergy
Muddle the Mixture
14% of 59 decks +9% synergy
Cyclonic Rift
14% of 59 decks -13% synergy
Chaos Warp
13% of 31 decks -18% synergy
Fierce Guardianship
12% of 59 decks -6% synergy
Mana Drain
10% of 59 decks -5% synergy
An Offer You Can't Refuse
10% of 59 decks -11% synergy
Negate
10% of 59 decks -12% synergy
Stoic Rebuttal
8% of 59 decks +8% synergy
Disruption Protocol
8% of 59 decks +8% synergy
Snap
8% of 59 decks +1% synergy
Brainstorm
8% of 59 decks -11% synergy
Desynchronization
8% of 36 decks +6% synergy
Sink into Stupor
8% of 37 decks -1% synergy
Opt
7% of 59 decks -3% synergy
Frantic Search
7% of 59 decks -6% synergy
Swan Song
7% of 59 decks -10% synergy
Banishing Knack
5% of 59 decks +5% synergy
Retraction Helix
5% of 59 decks +5% synergy
Mystic Reflection
5% of 59 decks +4% synergy
Blue Sun's Zenith
5% of 59 decks +3% synergy
Brain Freeze
5% of 59 decks +2% synergy
Resculpt
5% of 59 decks +0% synergy
Pact of Negation
5% of 59 decks -2% synergy
Reality Shift
5% of 59 decks -4% synergy
Pongify
5% of 59 decks -6% synergy
Sorceries
Fabricate
29% of 59 decks +23% synergy
Blasphemous Act
23% of 31 decks -11% synergy
Farseek
20% of 15 decks -14% synergy
Cultivate
20% of 15 decks -25% synergy
Trash for Treasure
19% of 31 decks +18% synergy
Thoughtcast
17% of 59 decks +14% synergy
Saheeli's Directive
16% of 31 decks +16% synergy
Scrap Mastery
16% of 31 decks +16% synergy
Reshape
15% of 59 decks +14% synergy
Organic Extinction
15% of 27 decks +12% synergy
Terisiare's Devastation
14% of 21 decks +14% synergy
Brilliant Restoration
11% of 27 decks +9% synergy
Approach of the Second Sun
11% of 27 decks +8% synergy
Supreme Verdict
11% of 27 decks -3% synergy
Haunt the Network
10% of 10 decks +10% synergy
Echo Storm
7% of 59 decks +6% synergy
Transmute Artifact
7% of 59 decks +6% synergy
Ponder
7% of 59 decks -6% synergy
Windfall
7% of 59 decks -6% synergy
Forging the Anchor
5% of 59 decks +5% synergy
Saheeli's Artistry
5% of 59 decks +4% synergy
One with the Machine
5% of 59 decks +4% synergy
Quasiduplicate
5% of 59 decks +4% synergy
Rise and Shine
5% of 59 decks +4% synergy
Sea Gate Restoration
5% of 59 decks +1% synergy
Preordain
5% of 59 decks -5% synergy
Utility Artifacts
Mind Stone
34% of 59 decks +17% synergy
Salvaging Station
29% of 59 decks +29% synergy
Mirrorworks
29% of 59 decks +28% synergy
Time Sieve
29% of 21 decks +26% synergy
Myr Turbine
27% of 59 decks +27% synergy
Lotus Petal
27% of 59 decks +20% synergy
Aether Spellbomb
25% of 59 decks +24% synergy
Expedition Map
25% of 59 decks +22% synergy
Voltaic Key
24% of 59 decks +23% synergy
Trading Post
24% of 59 decks +23% synergy
Mishra's Bauble
22% of 59 decks +21% synergy
Rings of Brighthearth
22% of 59 decks +21% synergy
Ashnod's Altar
22% of 59 decks +15% synergy
Ugin's Nexus
20% of 59 decks +20% synergy
Manifold Key
20% of 59 decks +19% synergy
Ichor Wellspring
20% of 59 decks +19% synergy
Cloud Key
20% of 59 decks +18% synergy
Bootleggers' Stash
20% of 15 decks +18% synergy
Summoning Station
19% of 59 decks +19% synergy
Darksteel Forge
19% of 59 decks +17% synergy
Archaeomancer's Map
19% of 27 decks +15% synergy
Legion Extruder
18% of 22 decks +18% synergy
Semblance Anvil
17% of 59 decks +16% synergy
Lightning Greaves
17% of 59 decks -8% synergy
Flayer Husk
15% of 59 decks +15% synergy
Retrofitter Foundry
15% of 59 decks +15% synergy
Lotus Bloom
15% of 59 decks +15% synergy
Mycosynth Lattice
15% of 59 decks +14% synergy
Lithoform Engine
15% of 59 decks +14% synergy
Forsaken Monument
15% of 59 decks +14% synergy
Aetherflux Reservoir
15% of 59 decks +12% synergy
Idol of Oblivion
15% of 59 decks +11% synergy
Skullclamp
15% of 59 decks +3% synergy
Swiftfoot Boots
15% of 59 decks -12% synergy
Dowsing Device
14% of 28 decks +14% synergy
Cranial Plating
14% of 21 decks +12% synergy
Brass's Tunnel-Grinder
14% of 28 decks +12% synergy
Encroaching Mycosynth
14% of 59 decks +13% synergy
Moonsilver Key
14% of 59 decks +12% synergy
Inspiring Statuary
14% of 59 decks +12% synergy
Commander's Sphere
14% of 59 decks -1% synergy
Pyrite Spellbomb
13% of 31 decks +13% synergy
Esoteric Duplicator
12% of 41 decks +12% synergy
Simulacrum Synthesizer
12% of 41 decks +11% synergy
Magistrate's Scepter
12% of 59 decks +12% synergy
Nevinyrral's Disk
12% of 59 decks +11% synergy
Altar of the Brood
12% of 59 decks +11% synergy
Staff of Domination
12% of 59 decks +10% synergy
Isochron Scepter
12% of 59 decks +10% synergy
Wayfarer's Bauble
12% of 59 decks +2% synergy
Enchantments
Ghirapur Aether Grid
23% of 31 decks +22% synergy
Mirrodin Besieged
20% of 59 decks +19% synergy
Mystic Remora
20% of 59 decks +3% synergy
Rhystic Study
20% of 59 decks -6% synergy
Storm the Vault
19% of 31 decks +16% synergy
Retreat to Coralhelm
17% of 59 decks +15% synergy
Mechanized Production
17% of 59 decks +14% synergy
Training Grounds
15% of 59 decks +12% synergy
Seal of Cleansing
15% of 27 decks +13% synergy
Smothering Tithe
15% of 27 decks -9% synergy
Efficient Construction
12% of 59 decks +11% synergy
Artificer's Intuition
10% of 59 decks +10% synergy
Thopter Spy Network
10% of 59 decks +7% synergy
Seal of Removal
8% of 59 decks +8% synergy
Artificer Class
8% of 59 decks +7% synergy
Freed from the Real
7% of 59 decks +5% synergy
Intruder Alarm
7% of 59 decks +5% synergy
Propaganda
5% of 59 decks -7% synergy
Planeswalkers
Daretti, Scrap Savant
23% of 31 decks +20% synergy
Saheeli, Sublime Artificer
23% of 31 decks +18% synergy
Tezzeret the Seeker
17% of 59 decks +15% synergy
Karn, the Great Creator
15% of 59 decks +14% synergy
Tezzeret, Master of the Bridge
14% of 21 decks +12% synergy
Saheeli, the Gifted
10% of 31 decks +9% synergy
Ugin, the Ineffable
7% of 59 decks +5% synergy
Narset, Parter of Veils
5% of 59 decks +0% synergy
Utility Lands
Buried Ruin
42% of 59 decks +37% synergy
Treasure Vault
41% of 59 decks +38% synergy
Academy Ruins
39% of 59 decks +34% synergy
Urza's Saga
32% of 59 decks +25% synergy
Reliquary Tower
27% of 59 decks -3% synergy
Archway of Innovation
25% of 36 decks +22% synergy
Urza's Power Plant
15% of 59 decks +13% synergy
Urza's Mine
15% of 59 decks +13% synergy
Urza's Tower
15% of 59 decks +13% synergy
Fomori Vault
12% of 41 decks +11% synergy
Tolaria West
10% of 59 decks +9% synergy
Minamo, School at Water's Edge
10% of 59 decks +6% synergy
Mystic Sanctuary
10% of 59 decks -1% synergy
Guildless Commons
8% of 59 decks +7% synergy
Phyrexia's Core
7% of 59 decks +6% synergy
Urza's Factory
7% of 59 decks +6% synergy
Otawara, Soaring City
7% of 59 decks -10% synergy
Rogue's Passage
7% of 59 decks -13% synergy
Ghost Town
5% of 59 decks +5% synergy
Mishra's Workshop
5% of 59 decks +5% synergy
Oboro, Palace in the Clouds
5% of 59 decks +4% synergy
Mishra's Factory
5% of 59 decks +4% synergy
Strip Mine
5% of 59 decks +2% synergy
Castle Vantress
5% of 59 decks +1% synergy
Temple of the False God
5% of 59 decks -5% synergy
Mana Artifacts
Sol Ring
92% of 59 decks +7% synergy
Arcane Signet
53% of 59 decks -20% synergy
Azorius Signet
33% of 27 decks +8% synergy
Basalt Monolith
31% of 59 decks +28% synergy
Talisman of Progress
26% of 27 decks +2% synergy
Izzet Signet
26% of 31 decks -2% synergy
Crystal Skull, Isu Spyglass
25% of 36 decks +23% synergy
Dimir Signet
24% of 21 decks -5% synergy
Everflowing Chalice
24% of 59 decks +19% synergy
Talisman of Creativity
23% of 31 decks -6% synergy
Thran Dynamo
22% of 59 decks +17% synergy
Mox Opal
20% of 59 decks +16% synergy
Liquimetal Torque
19% of 59 decks +15% synergy
Thought Vessel
19% of 59 decks +2% synergy
Machine God's Effigy
14% of 59 decks +12% synergy
Mana Crypt
14% of 59 decks +7% synergy
Cursed Mirror
13% of 31 decks +8% synergy
The Mightstone and Weakstone
12% of 59 decks +11% synergy
Chromatic Orrery
12% of 59 decks +10% synergy
Blinkmoth Urn
10% of 59 decks +10% synergy
Mox Tantalite
10% of 59 decks +10% synergy
Sol Talisman
10% of 59 decks +9% synergy
Gilded Lotus
10% of 59 decks +7% synergy
Fellwar Stone
10% of 59 decks -11% synergy
Chromatic Lantern
8% of 59 decks -1% synergy
Empowered Autogenerator
7% of 59 decks +7% synergy
Mox Amber
7% of 59 decks +3% synergy
Powerstone Shard
5% of 59 decks +5% synergy
Myr Reservoir
5% of 59 decks +5% synergy
Prophetic Prism
5% of 59 decks +5% synergy
Gauntlet of Power
5% of 59 decks +4% synergy
Skyclave Relic
5% of 59 decks +4% synergy
Prismatic Lens
5% of 59 decks +4% synergy
Caged Sun
5% of 59 decks +3% synergy
Worn Powerstone
5% of 59 decks +2% synergy
Sky Diamond
5% of 59 decks +0% synergy
Midnight Clock
5% of 59 decks -0% synergy
Lands
Silverbluff Bridge
77% of 31 decks +72% synergy
Rustvale Bridge
69% of 13 decks +64% synergy
Drossforge Bridge
69% of 16 decks +65% synergy
Goldmire Bridge
62% of 16 decks +58% synergy
Thornglint Bridge
60% of 10 decks +58% synergy
Tanglepool Bridge
60% of 15 decks +57% synergy
Slagwoods Bridge
58% of 12 decks +56% synergy
Razortide Bridge
56% of 27 decks +49% synergy
Command Tower
53% of 59 decks -22% synergy
Mistvault Bridge
52% of 21 decks +48% synergy
Darkmoss Bridge
44% of 9 decks +41% synergy
Hallowed Fountain
37% of 27 decks -3% synergy
Shivan Reef
32% of 31 decks +5% synergy
The Mycosynth Gardens
27% of 59 decks +25% synergy
Breeding Pool
27% of 15 decks -14% synergy
Deserted Beach
26% of 27 decks +10% synergy
Izzet Boilerworks
26% of 31 decks +10% synergy
Sulfur Falls
26% of 31 decks -6% synergy
Ketria Triome
25% of 12 decks -7% synergy
Watery Grave
24% of 21 decks -17% synergy
Power Depot
24% of 59 decks +23% synergy
Spire of Industry
24% of 59 decks +21% synergy
Dreamroot Cascade
20% of 15 decks +1% synergy
Yavimaya Coast
20% of 15 decks -7% synergy
Rejuvenating Springs
20% of 15 decks -8% synergy
Cascade Bluffs
19% of 31 decks +7% synergy
Underground River
19% of 21 decks -2% synergy
Morphic Pool
19% of 21 decks -7% synergy
Hengegate Pathway
19% of 27 decks +11% synergy
Sea of Clouds
19% of 27 decks -7% synergy
Glacial Fortress
19% of 27 decks -9% synergy
Exotic Orchard
17% of 59 decks -19% synergy
Steam Vents
16% of 31 decks -22% synergy
Scene of the Crime
15% of 46 decks +15% synergy
Azorius Chancery
15% of 27 decks +0% synergy
Adarkar Wastes
15% of 27 decks -5% synergy
Dimir Aqueduct
14% of 21 decks -2% synergy
Evolving Wilds
14% of 59 decks -7% synergy
Stormcarved Coast
13% of 31 decks -5% synergy
Fabled Passage
12% of 59 decks +3% synergy
Terramorphic Expanse
12% of 59 decks -4% synergy
Skycloud Expanse
11% of 27 decks -2% synergy
Glimmervoid
10% of 59 decks +10% synergy
City of Brass
10% of 59 decks +2% synergy
Scalding Tarn
10% of 59 decks -1% synergy
Polluted Delta
10% of 59 decks -1% synergy
Path of Ancestry
10% of 59 decks -12% synergy
Hall of Tagsin
8% of 59 decks +8% synergy
Myriad Landscape
8% of 59 decks -10% synergy
Urza's Cave
8% of 38 decks +5% synergy