Prototype Portal + Clock of Omens + Battered Golem + Great Furnace

Prototype Portal
Clock of Omens
Battered Golem
Great Furnace

Requires
Prototype Portal must be on the battlefield. Clock of Omens must be on the battlefield. Battered Golem must be on the battlefield. Great Furnace must be in exile (exiled by Prototype Portal).
Steps
  1. Activate Prototype Portal by paying 0, creating a token copy of Great Furnace.
  2. When the Great Furnace token enters the battlefield, Battered Golem triggers, untapping itself.
  3. Activate Clock of Omens by tapping Battered Golem and the Great Furnace token, untapping Prototype Portal.
  4. Repeat.
Results
Infinite landfall triggers. Infinite tapped Great Furnace tokens.

Meria, Scholar of Antiquity
0.13% of 3818 decks 5 decks
Urtet, Remnant of Memnarch
0.01% of 14706 decks 2 decks
Mishra, Claimed by Gix
0.05% of 3687 decks 2 decks
Saheeli, the Gifted
0.05% of 1993 decks 1 decks
Jan Jansen, Chaos Crafter
0.02% of 4386 decks 1 decks
Osgir, the Reconstructor
0.02% of 5657 decks 1 decks
Kodama of the East Tree // Toggo, Goblin Weaponsmith
0.09% of 1095 decks 1 decks
Breya, Etherium Shaper
0.01% of 13938 decks 1 decks
Kurkesh, Onakke Ancient
0.23% of 437 decks 1 decks
Lord Windgrace
0.01% of 9154 decks 1 decks
Svella, Ice Shaper
0.04% of 2598 decks 1 decks
Slobad, Goblin Tinkerer
0.49% of 205 decks 1 decks
Magda, Brazen Outlaw
0.01% of 11307 decks 1 decks
Reaper King
0.02% of 5493 decks 1 decks
High Synergy Cards
Darksteel Citadel
100% of 20 decks +96% synergy
Vault of Whispers
100% of 8 decks +96% synergy
Ancient Den
100% of 6 decks +95% synergy
Padeem, Consul of Innovation
80% of 5 decks +77% synergy
Etherium Sculptor
80% of 5 decks +75% synergy
Seat of the Synod
80% of 5 decks +74% synergy
Tree of Tales
73% of 11 decks +71% synergy
Sculpting Steel
60% of 20 decks +58% synergy
Unwinding Clock
60% of 20 decks +57% synergy
Foundry Inspector
60% of 20 decks +56% synergy
Top Cards
Mystic Forge
55% of 20 decks +52% synergy
Reckless Fireweaver
55% of 20 decks +51% synergy
Beast Within
55% of 11 decks +16% synergy
Myr Retriever
50% of 20 decks +48% synergy
Sarinth Steelseeker
45% of 11 decks +44% synergy
Mycosynth Lattice
45% of 20 decks +44% synergy
Myr Turbine
40% of 20 decks +40% synergy
Kuldotha Forgemaster
40% of 20 decks +39% synergy
Goblin Welder
40% of 20 decks +37% synergy
Thran Dynamo
40% of 20 decks +35% synergy
Creatures
Enthusiastic Mechanaut
60% of 5 decks +56% synergy
Leaden Myr
38% of 8 decks +35% synergy
Sarinth Greatwurm
36% of 11 decks +36% synergy
Shimmer Myr
35% of 20 decks +33% synergy
Goblin Engineer
35% of 20 decks +32% synergy
Traxos, Scourge of Kroog
30% of 20 decks +30% synergy
Scrap Trawler
30% of 20 decks +28% synergy
Ornithopter
30% of 20 decks +28% synergy
Myr Battlesphere
30% of 20 decks +28% synergy
Ingenious Artillerist
30% of 20 decks +28% synergy
Iron Myr
30% of 20 decks +27% synergy
Karn, Legacy Reforged
29% of 14 decks +28% synergy
Vexing Shusher
27% of 11 decks +25% synergy
Mycosynth Golem
25% of 20 decks +25% synergy
Toggo, Goblin Weaponsmith
25% of 20 decks +24% synergy
Palladium Myr
25% of 20 decks +23% synergy
Cybermen Squadron
23% of 13 decks +22% synergy
Cogwork Assembler
20% of 20 decks +20% synergy
Dross Scorpion
20% of 20 decks +20% synergy
Myr Galvanizer
20% of 20 decks +20% synergy
Quicksmith Genius
20% of 20 decks +19% synergy
Hellkite Igniter
20% of 20 decks +19% synergy
Junk Diver
20% of 20 decks +19% synergy
Phyrexian Triniform
20% of 20 decks +19% synergy
Hangarback Walker
20% of 20 decks +19% synergy
Jhoira's Familiar
20% of 20 decks +18% synergy
Walking Ballista
20% of 20 decks +17% synergy
Solemn Simulacrum
20% of 20 decks +6% synergy
Su-Chi Cave Guard
15% of 20 decks +15% synergy
Myr Welder
15% of 20 decks +15% synergy
Farid, Enterprising Salvager
15% of 20 decks +15% synergy
Pili-Pala
15% of 20 decks +15% synergy
Workshop Assistant
15% of 20 decks +14% synergy
Memnite
15% of 20 decks +14% synergy
Wurmcoil Engine
15% of 20 decks +13% synergy
Meteor Golem
15% of 20 decks +13% synergy
Academy Manufactor
15% of 20 decks +11% synergy
Dockside Extortionist
15% of 20 decks +3% synergy
Instants
Nature's Claim
27% of 11 decks +18% synergy
Crop Rotation
27% of 11 decks +17% synergy
Tibalt's Trickery
15% of 20 decks +9% synergy
Thrill of Possibility
15% of 20 decks +5% synergy
Abrade
15% of 20 decks +4% synergy
Sorceries
Demonic Tutor
50% of 8 decks +28% synergy
Grim Tutor
38% of 8 decks +33% synergy
Vandalblast
35% of 20 decks +19% synergy
Genesis Wave
27% of 11 decks +25% synergy
Blasphemous Act
25% of 20 decks -9% synergy
Trash for Treasure
20% of 20 decks +19% synergy
Saheeli's Directive
15% of 20 decks +15% synergy
Grapeshot
15% of 20 decks +11% synergy
Utility Artifacts
Cloud Key
35% of 20 decks +33% synergy
Ashnod's Altar
35% of 20 decks +27% synergy
Krark-Clan Ironworks
30% of 20 decks +29% synergy
Darksteel Forge
30% of 20 decks +29% synergy
Sensei's Divining Top
30% of 20 decks +25% synergy
Grinding Station
25% of 20 decks +24% synergy
Semblance Anvil
25% of 20 decks +24% synergy
Rings of Brighthearth
25% of 20 decks +23% synergy
Howling Mine
25% of 20 decks +23% synergy
Lightning Greaves
25% of 20 decks -0% synergy
Welding Jar
20% of 20 decks +19% synergy
Voltaic Key
20% of 20 decks +19% synergy
Trading Post
20% of 20 decks +19% synergy
Staff of Domination
20% of 20 decks +18% synergy
Portal to Phyrexia
20% of 20 decks +18% synergy
Skullclamp
20% of 20 decks +8% synergy
Lux Cannon
15% of 20 decks +15% synergy
Pithing Needle
15% of 20 decks +15% synergy
Liquimetal Coating
15% of 20 decks +14% synergy
Blasting Station
15% of 20 decks +14% synergy
Genesis Chamber
15% of 20 decks +14% synergy
Hammer of Purphoros
15% of 20 decks +14% synergy
Nevinyrral's Disk
15% of 20 decks +14% synergy
Mirage Mirror
15% of 20 decks +13% synergy
Crucible of Worlds
15% of 20 decks +12% synergy
Hedron Archive
15% of 20 decks +12% synergy
Aetherflux Reservoir
15% of 20 decks +11% synergy
Wayfarer's Bauble
15% of 20 decks +5% synergy
Enchantments
Ghirapur Aether Grid
25% of 20 decks +24% synergy
Impact Tremors
15% of 20 decks +5% synergy
Planeswalkers
Daretti, Scrap Savant
30% of 20 decks +28% synergy
Karn, the Great Creator
20% of 20 decks +19% synergy
Karn, Living Legacy
15% of 20 decks +14% synergy
Ugin, the Ineffable
15% of 20 decks +13% synergy
Utility Lands
Buried Ruin
55% of 20 decks +50% synergy
Inventors' Fair
45% of 20 decks +41% synergy
Urza's Saga
45% of 20 decks +38% synergy
Treasure Vault
40% of 20 decks +37% synergy
Reliquary Tower
30% of 20 decks +0% synergy
Kessig Wolf Run
27% of 11 decks +11% synergy
Mines of Moria
21% of 14 decks +17% synergy
Guildless Commons
15% of 20 decks +14% synergy
Urborg, Tomb of Yawgmoth
15% of 20 decks +5% synergy
Rogue's Passage
15% of 20 decks -4% synergy
Mana Artifacts
Sol Ring
90% of 20 decks +6% synergy
Arcane Signet
60% of 20 decks -12% synergy
Basalt Monolith
35% of 20 decks +32% synergy
Liquimetal Torque
35% of 20 decks +31% synergy
Mind Stone
30% of 20 decks +13% synergy
Everflowing Chalice
25% of 20 decks +20% synergy
Chromatic Lantern
25% of 20 decks +15% synergy
Lotus Petal
20% of 20 decks +13% synergy
Thought Vessel
20% of 20 decks +3% synergy
Fellwar Stone
20% of 20 decks -1% synergy
Slagstone Refinery
15% of 20 decks +15% synergy
Chromatic Orrery
15% of 20 decks +13% synergy
Mox Opal
15% of 20 decks +11% synergy
Mana Vault
15% of 20 decks +9% synergy
Lands
Command Tower
60% of 20 decks -14% synergy
Drossforge Bridge
50% of 8 decks +46% synergy
Rustvale Bridge
50% of 6 decks +45% synergy
Slagwoods Bridge
45% of 11 decks +43% synergy
Karplusan Forest
45% of 11 decks +29% synergy
Rootbound Crag
45% of 11 decks +22% synergy
Cinder Glade
45% of 11 decks +7% synergy
Stomping Ground
45% of 11 decks +4% synergy
Haunted Ridge
38% of 8 decks +22% synergy
Blood Crypt
38% of 8 decks -1% synergy
Spire Garden
36% of 11 decks +12% synergy
The Mycosynth Gardens
35% of 17 decks +33% synergy
Gruul Turf
27% of 11 decks +11% synergy
Power Depot
25% of 20 decks +24% synergy
Evolving Wilds
25% of 20 decks +4% synergy
Spire of Industry
15% of 20 decks +12% synergy
Wooded Foothills
15% of 20 decks +5% synergy
Bloodstained Mire
15% of 20 decks +5% synergy
Arid Mesa
15% of 20 decks +4% synergy
Terramorphic Expanse
15% of 20 decks -1% synergy
Exotic Orchard
15% of 20 decks -21% synergy