Clock of Omens
Prototype Portal
Doubling Season

   Prerequisites

What do I need to start this combo?
All permanents on the battlefield.
Any artifact with mana value 0 exiled by Prototype Portal.

   Steps

How does this combo work?
1
Activate Prototype Portal by paying 0 and tapping it, creating two token copies of the imprinted artifact.
2
Activate Clock of Omens by tapping the two artifact tokens, untapping Prototype Portal.
3
Repeat.

   Results

What do I get from this combo?
Infinite copies of a specific artifact
Urtet, Remnant of Memnarch
0.1%inclusion24 decks17.3K decks
Adrix and Nev, Twincasters
0.1%inclusion6 decks8.41K decks
Gimbal, Gremlin Prodigy
0.2%inclusion6 decks3.12K decks
Roxanne, Starfall Savant
0.0%inclusion4 decks9.17K decks
The Cabbage Merchant
0.1%inclusion4 decks3.33K decks
Vorinclex, Monstrous Raider
0.1%inclusion3 decks4.37K decks
Garth One-Eye
0.1%inclusion3 decks5.34K decks
Peregrin Took
0.4%inclusion2 decks545 decks
Nissa, Worldsoul Speaker
0.1%inclusion2 decks2.07K decks
The Sixth Doctor
2.9%inclusion2 decks69 decks
Atraxa, Praetors' Voice
0.0%inclusion2 decks42.1K decks
Ich-Tekik, Salvage Splicer // Toggo, Goblin Weaponsmith
0.3%inclusion2 decks623 decks
Rashmi and Ragavan
0.0%inclusion2 decks4.34K decks
Esika, God of the Tree
0.0%inclusion2 decks24.4K decks
Ramos, Dragon Engine
0.0%inclusion2 decks12.1K decks
Morophon, the Boundless
0.0%inclusion2 decks14.9K decks
Kodama of the East Tree // Toggo, Goblin Weaponsmith
0.1%inclusion2 decks1.46K decks
Mutagen Man, Living Ooze
0.5%inclusion2 decks380 decks
Gluntch, the Bestower
0.0%inclusion1 decks7.42K decks
Sam, Loyal Attendant
0.7%inclusion1 decks147 decks
Jyoti, Moag Ancient
0.0%inclusion1 decks2.60K decks
The First Doctor // Clara Oswald
2.0%inclusion1 decks50 decks
Aatchik, Emerald Radian
0.0%inclusion1 decks2.49K decks
Ikra Shidiqi, the Usurper // Sakashima of a Thousand Faces
0.3%inclusion1 decks369 decks
New Cards
The Unbeatable Squirrel Girl
20%inclusion1 decks5 decks
Germination Practicum
6.3%inclusion1 decks16 decks
Wildgrowth Archaic
6.3%inclusion1 decks16 decks
High Synergy Cards
Great Furnace
64%inclusion39 decks61 decks
Tree of Tales
56%inclusion58 decks103 decks
Leaden Myr
53%inclusion24 decks45 decks
Vault of Whispers
56%inclusion25 decks45 decks
Seat of the Synod
58%inclusion37 decks64 decks
Unwinding Clock
50%inclusion52 decks103 decks
Ancient Den
53%inclusion26 decks49 decks
Brudiclad, Telchor Engineer
50%inclusion23 decks46 decks
Gold Myr
49%inclusion24 decks49 decks
Parallel Lives
50%inclusion52 decks103 decks
Top Cards
Mirrorworks
39%inclusion40 decks103 decks
Academy Manufactor
38%inclusion39 decks103 decks
Iron Myr
38%inclusion23 decks61 decks
Silver Myr
38%inclusion24 decks64 decks
Mechanized Production
38%inclusion24 decks64 decks
Anointed Procession
37%inclusion18 decks49 decks
Fabricate
34%inclusion22 decks64 decks
Counterspell
34%inclusion22 decks64 decks
Sculpting Steel
31%inclusion32 decks103 decks
Myr Battlesphere
30%inclusion31 decks103 decks
Game Changers
Enlightened Tutor
37%inclusion18 decks49 decks
Demonic Tutor
27%inclusion12 decks45 decks
Cyclonic Rift
23%inclusion15 decks64 decks
Rhystic Study
22%inclusion14 decks64 decks
Teferi's Protection
18%inclusion9 decks49 decks
Vampiric Tutor
13%inclusion6 decks45 decks
Ancient Tomb
11%inclusion11 decks103 decks
Seedborn Muse
8.7%inclusion9 decks103 decks
Mana Vault
6.8%inclusion7 decks103 decks
Gaea's Cradle
6.8%inclusion7 decks103 decks
Creatures
Tireless Provisioner
29%inclusion30 decks103 decks
Mondrak, Glory Dominus
27%inclusion13 decks49 decks
Palladium Myr
26%inclusion27 decks103 decks
Jaheira, Friend of the Forest
26%inclusion27 decks103 decks
Copper Myr
25%inclusion26 decks103 decks
Urza, Lord High Artificer
25%inclusion16 decks64 decks
Myr Retriever
24%inclusion25 decks103 decks
Myr Galvanizer
23%inclusion24 decks103 decks
Myr Kinsmith
22%inclusion23 decks103 decks
Alloy Myr
21%inclusion22 decks103 decks
Steel Overseer
21%inclusion22 decks103 decks
Peregrin Took
21%inclusion22 decks103 decks
Shimmer Myr
20%inclusion21 decks103 decks
Foundry Inspector
20%inclusion21 decks103 decks
Myr Propagator
19%inclusion20 decks103 decks
Padeem, Consul of Innovation
19%inclusion12 decks64 decks
Adrix and Nev, Twincasters
19%inclusion12 decks64 decks
Etherium Sculptor
19%inclusion12 decks64 decks
Phyrexian Metamorph
19%inclusion12 decks64 decks
Shadow the Hedgehog
18%inclusion4 decks22 decks
Ingenious Artillerist
18%inclusion11 decks61 decks
Displaced Dinosaurs
17%inclusion17 decks103 decks
Plague Myr
17%inclusion17 decks103 decks
Reckless Fireweaver
16%inclusion10 decks61 decks
Myrsmith
16%inclusion8 decks49 decks
Urza, Prince of Kroog
16%inclusion7 decks43 decks
Alibou, Ancient Witness
16%inclusion6 decks38 decks
Jhoira, Weatherlight Captain
15%inclusion7 decks46 decks
Kuldotha Forgemaster
15%inclusion15 decks103 decks
Tireless Tracker
15%inclusion15 decks103 decks
Roaming Throne
15%inclusion15 decks103 decks
Esper Sentinel
14%inclusion7 decks49 decks
Shimmer Dragon
14%inclusion9 decks64 decks
Zirda, the Dawnwaker
13%inclusion5 decks38 decks
Svella, Ice Shaper
13%inclusion8 decks61 decks
Myr Sire
13%inclusion13 decks103 decks
Gilded Goose
13%inclusion13 decks103 decks
Losheel, Clockwork Scholar
12%inclusion6 decks49 decks
Mirror Entity
12%inclusion6 decks49 decks
Darksteel Myr
12%inclusion12 decks103 decks
Myr Enforcer
12%inclusion12 decks103 decks
Solemn Simulacrum
12%inclusion12 decks103 decks
Eternal Witness
12%inclusion12 decks103 decks
Roxanne, Starfall Savant
11%inclusion7 decks61 decks
Ancient Copper Dragon
11%inclusion7 decks61 decks
Vedalken Archmage
11%inclusion7 decks64 decks
Cyberdrive Awakener
11%inclusion7 decks64 decks
Emry, Lurker of the Loch
11%inclusion7 decks64 decks
Mutagen Man, Living Ooze
11%inclusion3 decks28 decks
Hovermyr
11%inclusion11 decks103 decks
Instants
Heroic Intervention
30%inclusion31 decks103 decks
Swords to Plowshares
24%inclusion12 decks49 decks
Second Harvest
23%inclusion24 decks103 decks
Dispatch
22%inclusion11 decks49 decks
Path to Exile
20%inclusion10 decks49 decks
Beast Within
18%inclusion19 decks103 decks
Scour for Scrap
16%inclusion5 decks31 decks
Generous Gift
14%inclusion7 decks49 decks
Mana Drain
14%inclusion9 decks64 decks
Fierce Guardianship
14%inclusion9 decks64 decks
Swan Song
13%inclusion8 decks64 decks
Negate
11%inclusion7 decks64 decks
Chaos Warp
10%inclusion6 decks61 decks
Archdruid's Charm
8.7%inclusion9 decks103 decks
Masterful Replication
7.8%inclusion5 decks64 decks
Three Steps Ahead
7.8%inclusion5 decks64 decks
Growth Spiral
7.8%inclusion5 decks64 decks
An Offer You Can't Refuse
7.8%inclusion5 decks64 decks
Worldly Tutor
7.8%inclusion8 decks103 decks
Krosan Grip
6.8%inclusion7 decks103 decks
Crop Rotation
6.8%inclusion7 decks103 decks
Assassin's Trophy
6.7%inclusion3 decks45 decks
Access Denied
6.3%inclusion4 decks64 decks
Whir of Invention
6.3%inclusion4 decks64 decks
Double Major
6.3%inclusion4 decks64 decks
Dramatic Reversal
6.3%inclusion4 decks64 decks
Dawn's Truce
6.3%inclusion3 decks48 decks
Mystical Tutor
6.3%inclusion4 decks64 decks
Brainstorm
6.3%inclusion4 decks64 decks
Arcane Denial
6.3%inclusion4 decks64 decks
Eladamri's Call
6.1%inclusion3 decks49 decks
Rampage of the Clans
5.8%inclusion6 decks103 decks
Collective Resistance
5.8%inclusion6 decks103 decks
Sorceries
Cultivate
24%inclusion25 decks103 decks
Organic Extinction
22%inclusion11 decks49 decks
Kodama's Reach
21%inclusion22 decks103 decks
Wake the Past
18%inclusion7 decks38 decks
Thoughtcast
16%inclusion10 decks64 decks
For the Common Good
12%inclusion12 decks102 decks
Rampant Growth
12%inclusion12 decks103 decks
Saheeli's Artistry
11%inclusion7 decks64 decks
Reshape
11%inclusion7 decks64 decks
Rite of Replication
11%inclusion7 decks64 decks
Blasphemous Act
10%inclusion6 decks61 decks
Nature's Lore
10%inclusion10 decks103 decks
Farseek
10%inclusion10 decks103 decks
March of Progress
9.4%inclusion6 decks64 decks
Rise and Shine
9.4%inclusion6 decks64 decks
Their Name Is Death
8.9%inclusion4 decks45 decks
Diabolic Tutor
8.9%inclusion4 decks45 decks
Relm's Sketching
8.6%inclusion3 decks35 decks
Molten Duplication
8.2%inclusion5 decks61 decks
Brass's Bounty
8.2%inclusion5 decks61 decks
Idyllic Tutor
8.2%inclusion4 decks49 decks
Blasphemous Edict
7.9%inclusion3 decks38 decks
Revive the Shire
6.8%inclusion7 decks103 decks
Three Visits
6.8%inclusion7 decks103 decks
Decimate
6.6%inclusion4 decks61 decks
Echo Storm
6.3%inclusion4 decks64 decks
Stolen Identity
6.3%inclusion4 decks64 decks
Doppelgang
6.3%inclusion4 decks64 decks
Irenicus's Vile Duplication
6.3%inclusion4 decks64 decks
Distant Melody
6.3%inclusion4 decks64 decks
All Is Dust
5.8%inclusion6 decks103 decks
Many Partings
5.8%inclusion6 decks103 decks
Harmonize
5.8%inclusion6 decks103 decks
Utility Artifacts
Darksteel Forge
28%inclusion29 decks103 decks
Time Sieve
26%inclusion10 decks39 decks
Bootleggers' Stash
24%inclusion25 decks103 decks
Mirrormind Crown
24%inclusion7 decks29 decks
Transmutation Font
23%inclusion24 decks103 decks
Mystic Forge
23%inclusion24 decks103 decks
Myr Turbine
22%inclusion23 decks103 decks
Nuka-Cola Vending Machine
21%inclusion22 decks103 decks
Helm of the Host
17%inclusion18 decks103 decks
Idol of Oblivion
17%inclusion18 decks103 decks
The Earth Crystal
16%inclusion10 decks62 decks
Simulacrum Synthesizer
16%inclusion10 decks64 decks
Myr Matrix
16%inclusion16 decks103 decks
Inspiring Statuary
16%inclusion16 decks103 decks
Mycosynth Lattice
15%inclusion15 decks103 decks
The Ozolith
15%inclusion15 decks103 decks
Lightning Greaves
15%inclusion15 decks103 decks
Swiftfoot Boots
15%inclusion15 decks103 decks
Door to Nothingness
14%inclusion5 decks36 decks
Mirror Box
14%inclusion14 decks103 decks
The Fire Crystal
13%inclusion5 decks38 decks
Voltaic Key
13%inclusion13 decks103 decks
Forsaken Monument
13%inclusion13 decks103 decks
Worldwalker Helm
13%inclusion8 decks64 decks
Combine Chrysalis
13%inclusion8 decks64 decks
Nexus of Becoming
12%inclusion12 decks103 decks
Lithoform Engine
12%inclusion12 decks103 decks
Rings of Brighthearth
12%inclusion12 decks103 decks
Staff of Domination
12%inclusion12 decks103 decks
Ashnod's Altar
12%inclusion12 decks103 decks
The Ooze
11%inclusion3 decks27 decks
Soul Foundry
11%inclusion11 decks103 decks
Genesis Chamber
11%inclusion11 decks103 decks
Krark-Clan Ironworks
11%inclusion11 decks103 decks
The Great Henge
11%inclusion11 decks103 decks
Retrofitter Foundry
10%inclusion10 decks103 decks
Grinding Station
10%inclusion10 decks103 decks
Semblance Anvil
10%inclusion10 decks103 decks
Agatha's Soul Cauldron
10%inclusion10 decks103 decks
Blade of Selves
10%inclusion10 decks103 decks
Isochron Scepter
10%inclusion10 decks103 decks
Panharmonicon
10%inclusion10 decks103 decks
Skullclamp
10%inclusion10 decks103 decks
Encroaching Mycosynth
9.4%inclusion6 decks64 decks
Nettlecyst
8.7%inclusion9 decks103 decks
Summoning Station
7.8%inclusion8 decks103 decks
Ugin's Nexus
7.8%inclusion8 decks103 decks
The Millennium Calendar
7.8%inclusion8 decks103 decks
Lux Artillery
7.8%inclusion8 decks103 decks
Witch's Oven
7.8%inclusion8 decks103 decks
Enchantments
Mirrodin Besieged
28%inclusion18 decks64 decks
Primal Vigor
21%inclusion22 decks103 decks
Thopter Spy Network
19%inclusion12 decks64 decks
Smothering Tithe
18%inclusion9 decks49 decks
Cryptolith Rite
13%inclusion13 decks103 decks
Artificer Class
13%inclusion8 decks64 decks
Curse of Opulence
11%inclusion7 decks61 decks
Mirrormade
11%inclusion7 decks64 decks
City of Death
11%inclusion11 decks103 decks
Tempered Steel
10%inclusion5 decks49 decks
Inexorable Tide
9.4%inclusion6 decks64 decks
Kindred Discovery
9.4%inclusion6 decks64 decks
Jeskai Ascendancy
8.3%inclusion3 decks36 decks
Leyline of the Guildpact
8.3%inclusion3 decks36 decks
Mana Echoes
8.2%inclusion5 decks61 decks
All Will Be One
8.2%inclusion5 decks61 decks
Extravagant Replication
7.8%inclusion5 decks64 decks
Sphere Grid
7.8%inclusion5 decks64 decks
Reflections of Littjara
7.8%inclusion5 decks64 decks
Night of the Sweets' Revenge
6.8%inclusion7 decks103 decks
Branching Evolution
6.8%inclusion7 decks103 decks
Revel in Riches
6.7%inclusion3 decks45 decks
Exquisite Blood
6.7%inclusion3 decks45 decks
Fable of the Mirror-Breaker
6.6%inclusion4 decks61 decks
Dazzling Theater // Prop Room
6.5%inclusion3 decks46 decks
Storm the Vault
6.5%inclusion3 decks46 decks
Court of Vantress
6.3%inclusion4 decks64 decks
Copy Enchantment
6.3%inclusion4 decks64 decks
Caretaker's Talent
6.3%inclusion3 decks48 decks
Resourceful Defense
6.1%inclusion3 decks49 decks
Trail of Crumbs
5.8%inclusion6 decks103 decks
Guardian Project
5.8%inclusion6 decks103 decks
Sylvan Library
5.8%inclusion6 decks103 decks
Hardened Scales
5.8%inclusion6 decks103 decks
Leyline of Resonance
5.3%inclusion3 decks57 decks
Planeswalkers
Tezzeret, Master of the Bridge
23%inclusion9 decks39 decks
Tezzeret the Seeker
13%inclusion8 decks64 decks
Saheeli, Sublime Artificer
8.7%inclusion4 decks46 decks
Karn, Living Legacy
7.8%inclusion8 decks103 decks
Tezzeret, Cruel Captain
6.8%inclusion4 decks59 decks
Oko, Thief of Crowns
6.3%inclusion4 decks64 decks
Karn, the Great Creator
5.8%inclusion6 decks103 decks
Utility Lands
Darksteel Citadel
44%inclusion45 decks103 decks
Inventors' Fair
40%inclusion41 decks103 decks
Reliquary Tower
38%inclusion39 decks103 decks
Academy Ruins
28%inclusion18 decks64 decks
Treasure Vault
24%inclusion25 decks103 decks
Urza's Saga
20%inclusion21 decks103 decks
Archway of Innovation
19%inclusion12 decks64 decks
Boseiju, Who Endures
17%inclusion18 decks103 decks
Buried Ruin
17%inclusion17 decks103 decks
Rogue's Passage
17%inclusion17 decks103 decks
Karn's Bastion
16%inclusion16 decks103 decks
Uthros, Titanic Godcore
13%inclusion4 decks31 decks
Cascading Cataracts
13%inclusion13 decks103 decks
Yavimaya, Cradle of Growth
13%inclusion13 decks103 decks
Urza's Power Plant
12%inclusion12 decks103 decks
Urza's Mine
12%inclusion12 decks103 decks
Urza's Tower
12%inclusion12 decks103 decks
Three Tree City
11%inclusion11 decks102 decks
Fomori Vault
11%inclusion11 decks103 decks
Bojuka Bog
8.9%inclusion4 decks45 decks
Tomb of the Spirit Dragon
8.7%inclusion9 decks103 decks
Temple of the False God
8.7%inclusion9 decks103 decks
Otawara, Soaring City
7.8%inclusion5 decks64 decks
Urza's Workshop
7.8%inclusion8 decks103 decks
Gingerbread Cabin
7.8%inclusion8 decks103 decks
Evendo, Waking Haven
7.0%inclusion4 decks57 decks
The Shire
6.8%inclusion7 decks103 decks
Mines of Moria
6.6%inclusion4 decks61 decks
Kessig Wolf Run
6.6%inclusion4 decks61 decks
Gavony Township
6.1%inclusion3 decks49 decks
Fountainport
5.9%inclusion6 decks102 decks
Inkmoth Nexus
5.8%inclusion6 decks103 decks
Mana Artifacts
Sol Ring
80%inclusion82 decks103 decks
Arcane Signet
53%inclusion55 decks103 decks
Myr Reservoir
20%inclusion21 decks103 decks
Replicating Ring
16%inclusion16 decks103 decks
Thought Vessel
15%inclusion15 decks103 decks
Chromatic Lantern
14%inclusion14 decks103 decks
Thran Dynamo
13%inclusion13 decks103 decks
Simic Signet
13%inclusion8 decks64 decks
Basalt Monolith
12%inclusion12 decks103 decks
Everflowing Chalice
12%inclusion12 decks103 decks
Gruul Signet
11%inclusion7 decks61 decks
Timeless Lotus
11%inclusion4 decks36 decks
Skyclave Relic
11%inclusion11 decks103 decks
Mox Opal
10%inclusion10 decks103 decks
Talisman of Curiosity
9.4%inclusion6 decks64 decks
Liquimetal Torque
8.7%inclusion9 decks103 decks
Gilded Lotus
8.7%inclusion9 decks103 decks
Commander's Sphere
8.7%inclusion9 decks103 decks
Izzet Signet
8.7%inclusion4 decks46 decks
Machine God's Effigy
7.8%inclusion5 decks64 decks
Blinkmoth Urn
7.8%inclusion8 decks103 decks
Lotus Petal
7.8%inclusion8 decks103 decks
Fellwar Stone
7.8%inclusion8 decks103 decks
The Eternity Elevator
7.0%inclusion4 decks57 decks
Azorius Signet
7.0%inclusion3 decks43 decks
Chromatic Orrery
6.8%inclusion7 decks103 decks
Selesnya Signet
6.1%inclusion3 decks49 decks
Agility Bobblehead
5.8%inclusion6 decks103 decks
Luck Bobblehead
5.8%inclusion6 decks103 decks
Astral Cornucopia
5.8%inclusion6 decks103 decks
Lands
Command Tower
73%inclusion75 decks103 decks
Silverbluff Bridge
54%inclusion25 decks46 decks
Drossforge Bridge
47%inclusion17 decks36 decks
Goldmire Bridge
46%inclusion18 decks39 decks
Slagwoods Bridge
46%inclusion28 decks61 decks
Rustvale Bridge
45%inclusion17 decks38 decks
Razortide Bridge
44%inclusion19 decks43 decks
Mistvault Bridge
44%inclusion17 decks39 decks
Tanglepool Bridge
42%inclusion27 decks64 decks
Thornglint Bridge
37%inclusion18 decks49 decks
Darkmoss Bridge
36%inclusion16 decks45 decks
Breeding Pool
28%inclusion18 decks64 decks
Rejuvenating Springs
27%inclusion17 decks64 decks
Stomping Ground
26%inclusion16 decks61 decks
The World Tree
25%inclusion9 decks36 decks
Power Depot
23%inclusion24 decks103 decks
Exotic Orchard
23%inclusion24 decks103 decks
Frontier Bivouac
22%inclusion10 decks46 decks
Ketria Triome
22%inclusion10 decks46 decks
Evolving Wilds
21%inclusion22 decks103 decks
Cinder Glade
20%inclusion12 decks61 decks
Path of Ancestry
18%inclusion19 decks103 decks
Plateau
18%inclusion7 decks38 decks
Spire Garden
18%inclusion11 decks61 decks
Rootbound Crag
18%inclusion11 decks61 decks
Underground Sea
18%inclusion7 decks39 decks
Training Center
17%inclusion8 decks46 decks
Scene of the Crime
17%inclusion17 decks103 decks
Taiga
16%inclusion10 decks61 decks
Hallowed Fountain
16%inclusion7 decks43 decks
Tropical Island
16%inclusion10 decks64 decks
The Mycosynth Gardens
16%inclusion16 decks103 decks
Terramorphic Expanse
16%inclusion16 decks103 decks
Scrubland
15%inclusion6 decks39 decks
Shivan Reef
15%inclusion7 decks46 decks
Fabled Passage
15%inclusion15 decks103 decks
Misty Rainforest
15%inclusion15 decks103 decks
Savannah
14%inclusion7 decks49 decks
Temple Garden
14%inclusion7 decks49 decks
Temple of Mystery
14%inclusion9 decks64 decks
Simic Growth Chamber
14%inclusion9 decks64 decks
Hinterland Harbor
14%inclusion9 decks64 decks
Tundra
14%inclusion6 decks43 decks
Myriad Landscape
14%inclusion14 decks103 decks
Game Trail
13%inclusion8 decks61 decks
Steam Vents
13%inclusion6 decks46 decks
Seaside Citadel
12%inclusion5 decks43 decks
Crystal Quarry
11%inclusion4 decks36 decks
Badlands
11%inclusion4 decks36 decks
Volcanic Island
11%inclusion5 decks46 decks