Time Sieve + Myr Battlesphere + Helm of the Host

Time Sieve
Myr Battlesphere
Helm of the Host

Requires
Time Sieve must be on the battlefield. Myr Battlesphere must be on the battlefield. Helm of the Host must be on the battlefield. Helm of the Host attached to Myr Battlesphere.
Steps
  1. At the beginning of your combat phase, Helm of the Host triggers, creating a token copy of Myr Battlesphere with haste.
  2. The Myr Battlesphere token enters the battlefield, creating four 1/1 Myr creature tokens.
  3. Activate Time Sieve by tapping it, sacrificing the Myr Battlesphere token and sacrificing the four Myr tokens, causing you to take an extra turn after this one.
  4. Repeat each turn.
Results
Infinite turns.

Urza, Chief Artificer
0.45% of 14102 decks 64 decks
Breya, Etherium Shaper
0.42% of 13853 decks 58 decks
Urtet, Remnant of Memnarch
0.38% of 14156 decks 54 decks
Tivit, Seller of Secrets
0.06% of 11500 decks 7 decks
Mishra, Eminent One
0.09% of 7731 decks 7 decks
Tawnos, Solemn Survivor
0.32% of 949 decks 3 decks
Marneus Calgar
0.03% of 10468 decks 3 decks
Ashnod the Uncaring
0.10% of 2943 decks 3 decks
Sydri, Galvanic Genius
0.09% of 2180 decks 2 decks
Sharuum the Hegemon
0.10% of 1960 decks 2 decks
Lazav, Wearer of Faces
0.16% of 630 decks 1 decks
Kodama of the East Tree // Silas Renn, Seeker Adept
0.63% of 158 decks 1 decks
Eloise, Nephalia Sleuth
0.07% of 1406 decks 1 decks
Sarevok, Deathbringer // Clan Crafter
0.71% of 141 decks 1 decks
Ravos, Soultender // Silas Renn, Seeker Adept
1.92% of 52 decks 1 decks
Ramos, Dragon Engine
0.01% of 8576 decks 1 decks
Jodah, Archmage Eternal
0.01% of 8074 decks 1 decks
Yarok, the Desecrated
0.01% of 10412 decks 1 decks
High Synergy Cards
Copper Myr
76% of 62 decks +75% synergy
Seat of the Synod
71% of 227 decks +65% synergy
Vault of Whispers
68% of 227 decks +63% synergy
Ancient Den
67% of 203 decks +62% synergy
Unwinding Clock
64% of 227 decks +62% synergy
Great Furnace
64% of 132 decks +58% synergy
Darksteel Citadel
59% of 227 decks +56% synergy
Etherium Sculptor
60% of 227 decks +54% synergy
Tree of Tales
53% of 62 decks +51% synergy
Foundry Inspector
52% of 227 decks +47% synergy
Top Cards
Swords to Plowshares
53% of 203 decks -10% synergy
Jhoira, Weatherlight Captain
49% of 132 decks +43% synergy
Brudiclad, Telchor Engineer
49% of 130 decks +45% synergy
Sai, Master Thopterist
49% of 225 decks +45% synergy
Padeem, Consul of Innovation
47% of 227 decks +43% synergy
Emry, Lurker of the Loch
47% of 225 decks +43% synergy
Urza, Prince of Kroog
44% of 188 decks +41% synergy
Counterspell
42% of 227 decks -1% synergy
Darksteel Forge
42% of 227 decks +41% synergy
Thopter Spy Network
41% of 227 decks +38% synergy
Creatures
Urza, Lord High Artificer
40% of 225 decks +37% synergy
Iron Myr
38% of 132 decks +35% synergy
Baleful Strix
37% of 227 decks +24% synergy
Steel Overseer
37% of 227 decks +35% synergy
Solemn Simulacrum
35% of 227 decks +21% synergy
Gold Myr
34% of 203 decks +32% synergy
Silver Myr
34% of 227 decks +31% synergy
Master Transmuter
33% of 227 decks +32% synergy
Alibou, Ancient Witness
32% of 116 decks +29% synergy
Thopter Assembly
32% of 227 decks +31% synergy
Bronze Guardian
31% of 200 decks +29% synergy
Myr Kinsmith
31% of 139 decks +31% synergy
Shimmer Myr
30% of 227 decks +29% synergy
Myr Retriever
30% of 227 decks +28% synergy
Mondrak, Glory Dominus
30% of 132 decks +20% synergy
Leaden Myr
30% of 227 decks +27% synergy
Palladium Myr
29% of 227 decks +27% synergy
Phyrexian Metamorph
29% of 227 decks +22% synergy
Master of Etherium
28% of 227 decks +27% synergy
Sharding Sphinx
27% of 227 decks +26% synergy
Enthusiastic Mechanaut
27% of 128 decks +22% synergy
Myr Galvanizer
26% of 227 decks +26% synergy
Illustrious Wanderglyph
26% of 50 decks +23% synergy
Esper Sentinel
25% of 200 decks +4% synergy
Thought Monitor
25% of 224 decks +21% synergy
Wurmcoil Engine
24% of 227 decks +22% synergy
Ojer Taq, Deepest Foundation
24% of 55 decks +17% synergy
Losheel, Clockwork Scholar
24% of 200 decks +21% synergy
Alloy Myr
23% of 227 decks +23% synergy
Sharuum the Hegemon
23% of 203 decks +21% synergy
Cayth, Famed Mechanist
23% of 13 decks +18% synergy
Marionette Master
21% of 227 decks +18% synergy
Digsite Engineer
21% of 200 decks +20% synergy
Cybermen Squadron
21% of 67 decks +20% synergy
Kuldotha Forgemaster
21% of 227 decks +20% synergy
Jan Jansen, Chaos Crafter
20% of 109 decks +17% synergy
Urza, Lord Protector
20% of 188 decks +18% synergy
Myr Convert
19% of 149 decks +18% synergy
Roaming Throne
19% of 63 decks +9% synergy
Goblin Welder
19% of 132 decks +16% synergy
Plague Myr
19% of 227 decks +17% synergy
Urza, Chief Artificer
18% of 188 decks +16% synergy
Scrap Trawler
18% of 227 decks +16% synergy
Myrsmith
18% of 203 decks +17% synergy
Goblin Engineer
18% of 130 decks +14% synergy
Chief of the Foundry
17% of 227 decks +17% synergy
Jhoira's Familiar
17% of 227 decks +15% synergy
Noxious Gearhulk
16% of 227 decks +13% synergy
Oltec Matterweaver
16% of 37 decks +14% synergy
Cyberman Patrol
15% of 67 decks +14% synergy
Instants
Desynchronization
33% of 18 decks +29% synergy
Dispatch
31% of 203 decks +26% synergy
Enlightened Tutor
25% of 203 decks +7% synergy
Path to Exile
25% of 203 decks -21% synergy
Cyclonic Rift
23% of 227 decks -5% synergy
Despark
20% of 201 decks +5% synergy
Teferi's Protection
19% of 203 decks -1% synergy
Vampiric Tutor
19% of 227 decks +0% synergy
Heroic Intervention
16% of 62 decks -14% synergy
Mana Drain
14% of 227 decks -2% synergy
Unbreakable Formation
13% of 201 decks +6% synergy
Beast Within
13% of 62 decks -26% synergy
Void Rend
13% of 194 decks -2% synergy
Chaos Warp
13% of 132 decks -19% synergy
Negate
12% of 227 decks -10% synergy
Anguished Unmaking
12% of 203 decks -12% synergy
Dovin's Veto
12% of 201 decks -7% synergy
Dramatic Reversal
11% of 227 decks +6% synergy
Whir of Invention
11% of 227 decks +8% synergy
Fierce Guardianship
10% of 225 decks -8% synergy
Inspiring Call
10% of 62 decks +2% synergy
Worldly Tutor
10% of 62 decks -4% synergy
Mystical Tutor
8% of 227 decks -7% synergy
Access Denied
8% of 223 decks +6% synergy
Arcane Denial
7% of 227 decks -12% synergy
Brainstorm
7% of 227 decks -14% synergy
Swan Song
7% of 227 decks -10% synergy
Deflecting Swat
5% of 130 decks -11% synergy
Thirst for Knowledge
5% of 227 decks +4% synergy
Sorceries
Fabricate
33% of 227 decks +27% synergy
Organic Extinction
26% of 199 decks +24% synergy
March of Progress
26% of 208 decks +25% synergy
Demonic Tutor
22% of 227 decks +0% synergy
Thoughtcast
19% of 227 decks +15% synergy
One with the Machine
16% of 225 decks +15% synergy
Wake the Past
16% of 116 decks +13% synergy
Vindicate
14% of 203 decks +8% synergy
Vandalblast
14% of 132 decks -3% synergy
Austere Command
13% of 203 decks -0% synergy
Their Name Is Death
12% of 212 decks +11% synergy
Trash for Treasure
11% of 132 decks +10% synergy
All Is Dust
11% of 227 decks +9% synergy
Diabolic Intent
11% of 227 decks +2% synergy
Phyrexian Rebirth
10% of 203 decks +9% synergy
Farseek
10% of 62 decks -25% synergy
Preordain
9% of 227 decks -2% synergy
Blasphemous Act
9% of 132 decks -25% synergy
Dance of the Manse
8% of 201 decks +4% synergy
Rampant Growth
8% of 62 decks -27% synergy
Cultivate
8% of 62 decks -38% synergy
Reshape
8% of 227 decks +6% synergy
Open the Vaults
8% of 203 decks +7% synergy
Farewell
7% of 199 decks -6% synergy
Urza's Ruinous Blast
7% of 203 decks +4% synergy
Diabolic Tutor
7% of 227 decks +0% synergy
Kodama's Reach
6% of 62 decks -25% synergy
Brilliant Restoration
6% of 199 decks +4% synergy
Supreme Verdict
6% of 203 decks -8% synergy
Reckless Handling
6% of 51 decks +4% synergy
Rite of Replication
6% of 227 decks +2% synergy
Saheeli's Directive
5% of 130 decks +5% synergy
Toxic Deluge
5% of 227 decks -12% synergy
Utility Artifacts
Skullclamp
36% of 227 decks +23% synergy
Mystic Forge
35% of 225 decks +32% synergy
Sculpting Steel
32% of 227 decks +30% synergy
Swiftfoot Boots
31% of 227 decks +3% synergy
Ashnod's Altar
30% of 227 decks +23% synergy
Thousand Moons Smithy
30% of 50 decks +27% synergy
Thopter Foundry
27% of 203 decks +25% synergy
Worldwalker Helm
24% of 41 decks +22% synergy
Myr Turbine
24% of 227 decks +23% synergy
Lightning Greaves
23% of 227 decks -2% synergy
Cranial Ram
23% of 13 decks +21% synergy
Simulacrum Synthesizer
22% of 41 decks +20% synergy
Cranial Plating
21% of 227 decks +19% synergy
Sword of the Meek
20% of 227 decks +20% synergy
Mycosynth Lattice
20% of 227 decks +19% synergy
Forsaken Monument
20% of 225 decks +18% synergy
Sensei's Divining Top
20% of 227 decks +14% synergy
Mirrorworks
19% of 227 decks +19% synergy
Cloud Key
19% of 227 decks +17% synergy
Clock of Omens
19% of 227 decks +18% synergy
Krark-Clan Ironworks
18% of 227 decks +17% synergy
Bident of Thassa
18% of 227 decks +11% synergy
Thopter Shop
18% of 188 decks +17% synergy
Myr Matrix
17% of 227 decks +17% synergy
Encroaching Mycosynth
16% of 157 decks +15% synergy
Staff of Domination
15% of 227 decks +13% synergy
Ozolith, the Shattered Spire
14% of 21 decks +8% synergy
Bolas's Citadel
14% of 225 decks +5% synergy
Nim Deathmantle
14% of 227 decks +13% synergy
Bootleggers' Stash
13% of 60 decks +11% synergy
Genesis Chamber
12% of 227 decks +12% synergy
Aetherflux Reservoir
12% of 227 decks +9% synergy
Esoteric Duplicator
12% of 41 decks +11% synergy
The One Ring
12% of 100 decks +3% synergy
Panharmonicon
12% of 227 decks +8% synergy
Door to Nothingness
12% of 60 decks +8% synergy
Rings of Brighthearth
11% of 227 decks +9% synergy
Conjurer's Closet
11% of 227 decks +9% synergy
Isochron Scepter
11% of 227 decks +8% synergy
Lux Artillery
11% of 123 decks +10% synergy
Lithoform Engine
10% of 225 decks +8% synergy
Akroma's Memorial
10% of 227 decks +8% synergy
Nettlecyst
9% of 224 decks +8% synergy
Portal to Phyrexia
9% of 208 decks +7% synergy
Urza's Incubator
8% of 227 decks +5% synergy
Nevinyrral's Disk
8% of 227 decks +7% synergy
Vedalken Orrery
8% of 227 decks +7% synergy
Strionic Resonator
8% of 227 decks +5% synergy
Scourglass
8% of 203 decks +8% synergy
Idol of Oblivion
8% of 225 decks +3% synergy
Enchantments
Mechanized Production
39% of 227 decks +37% synergy
Cryptolith Rite
39% of 62 decks +35% synergy
Mirrodin Besieged
36% of 225 decks +34% synergy
Smothering Tithe
32% of 201 decks +7% synergy
Doubling Season
26% of 62 decks +17% synergy
Tempered Steel
25% of 203 decks +23% synergy
Anointed Procession
25% of 203 decks +16% synergy
Storm the Vault
25% of 132 decks +22% synergy
Rhystic Study
24% of 227 decks -4% synergy
Artificer Class
19% of 216 decks +18% synergy
Parallel Lives
19% of 62 decks +12% synergy
Elven Chorus
19% of 16 decks +14% synergy
Simic Ascendancy
15% of 62 decks +9% synergy
Efficient Construction
13% of 227 decks +12% synergy
Kindred Discovery
11% of 227 decks +4% synergy
Mystic Remora
10% of 227 decks -8% synergy
Biotransference
10% of 212 decks +9% synergy
Mana Echoes
10% of 132 decks +9% synergy
Revel in Riches
6% of 227 decks +2% synergy
Reflections of Littjara
5% of 225 decks +0% synergy
Impact Tremors
5% of 132 decks -4% synergy
The Flesh Is Weak
5% of 190 decks +4% synergy
Planeswalkers
Tezzeret, Master of the Bridge
36% of 225 decks +33% synergy
Daretti, Scrap Savant
30% of 132 decks +27% synergy
Tezzeret the Seeker
14% of 227 decks +12% synergy
Tezzeret, Artifice Master
13% of 225 decks +12% synergy
Saheeli, the Gifted
12% of 130 decks +12% synergy
Saheeli, Sublime Artificer
9% of 130 decks +4% synergy
Karn, Scion of Urza
9% of 227 decks +8% synergy
Karn, the Great Creator
8% of 225 decks +7% synergy
Ugin, the Ineffable
8% of 225 decks +6% synergy
Saheeli, Filigree Master
8% of 117 decks +7% synergy
Karn, Living Legacy
7% of 215 decks +7% synergy
Tezzeret, Agent of Bolas
7% of 227 decks +6% synergy
Daretti, Ingenious Iconoclast
6% of 132 decks +5% synergy
Saheeli Rai
6% of 132 decks +5% synergy
Tezzeret, Betrayer of Flesh
6% of 223 decks +5% synergy
Utility Lands
Inventors' Fair
37% of 227 decks +33% synergy
Academy Ruins
36% of 227 decks +31% synergy
Reliquary Tower
33% of 227 decks +4% synergy
Archway of Innovation
32% of 22 decks +27% synergy
Buried Ruin
31% of 227 decks +26% synergy
Urza's Saga
24% of 224 decks +16% synergy
Bojuka Bog
23% of 227 decks -7% synergy
Urza's Power Plant
20% of 227 decks +18% synergy
Urza's Mine
20% of 227 decks +18% synergy
Urza's Tower
20% of 227 decks +18% synergy
Three Tree City
20% of 15 decks +10% synergy
Treasure Vault
16% of 224 decks +14% synergy
Temple of the False God
14% of 227 decks +4% synergy
Urza's Workshop
13% of 208 decks +13% synergy
Tomb of the Spirit Dragon
11% of 227 decks +10% synergy
Ancient Tomb
10% of 227 decks -0% synergy
Urborg, Tomb of Yawgmoth
9% of 227 decks -1% synergy
Shrine of the Forsaken Gods
7% of 227 decks +6% synergy
Rogue's Passage
7% of 227 decks -12% synergy
Karn's Bastion
7% of 225 decks +2% synergy
Gaea's Cradle
6% of 62 decks +1% synergy
Otawara, Soaring City
6% of 223 decks -11% synergy
Cascading Cataracts
5% of 227 decks +4% synergy
Mana Artifacts
Sol Ring
95% of 227 decks +10% synergy
Arcane Signet
80% of 225 decks +8% synergy
Crystal Skull, Isu Spyglass
37% of 19 decks +33% synergy
Chromatic Lantern
34% of 227 decks +24% synergy
Thought Vessel
26% of 227 decks +9% synergy
Commander's Sphere
23% of 227 decks +8% synergy
Azorius Signet
23% of 203 decks -3% synergy
Dimir Signet
21% of 227 decks -9% synergy
Thran Dynamo
20% of 227 decks +15% synergy
Fellwar Stone
20% of 227 decks -1% synergy
Orzhov Signet
20% of 203 decks -7% synergy
The Mightstone and Weakstone
18% of 208 decks +17% synergy
Timeless Lotus
17% of 58 decks +3% synergy
Myr Reservoir
17% of 227 decks +17% synergy
Liquimetal Torque
16% of 224 decks +12% synergy
Mana Crypt
15% of 227 decks +6% synergy
Gilded Lotus
15% of 227 decks +11% synergy
Basalt Monolith
14% of 227 decks +11% synergy
Talisman of Dominance
14% of 227 decks -17% synergy
Izzet Signet
13% of 132 decks -16% synergy
Mox Opal
12% of 227 decks +8% synergy
Sonic Screwdriver
12% of 68 decks +10% synergy
Talisman of Creativity
12% of 130 decks -17% synergy
Chromatic Orrery
11% of 225 decks +9% synergy
Mind Stone
11% of 227 decks -7% synergy
Talisman of Progress
10% of 203 decks -13% synergy
Cursed Mirror
9% of 129 decks +4% synergy
Mox Amber
9% of 227 decks +5% synergy
Mana Vault
8% of 227 decks +2% synergy
Rakdos Signet
8% of 132 decks -21% synergy
Talisman of Hierarchy
8% of 201 decks -17% synergy
Blinkmoth Urn
8% of 227 decks +7% synergy
Talisman of Conviction
8% of 117 decks -15% synergy
Talisman of Indulgence
8% of 132 decks -19% synergy
Boros Signet
8% of 119 decks -16% synergy
Hedron Archive
6% of 227 decks +3% synergy
Lotus Petal
6% of 227 decks -1% synergy
Jeweled Lotus
6% of 225 decks -0% synergy
Darksteel Ingot
5% of 227 decks +4% synergy
Lands
Command Tower
90% of 227 decks +16% synergy
Mistvault Bridge
57% of 224 decks +52% synergy
Razortide Bridge
56% of 200 decks +48% synergy
Goldmire Bridge
54% of 200 decks +49% synergy
Silverbluff Bridge
50% of 129 decks +44% synergy
Exotic Orchard
48% of 227 decks +13% synergy
Tanglepool Bridge
43% of 61 decks +40% synergy
Rustvale Bridge
41% of 116 decks +35% synergy
Drossforge Bridge
40% of 129 decks +36% synergy
Thornglint Bridge
39% of 59 decks +37% synergy
Darkmoss Bridge
34% of 61 decks +31% synergy
Arcane Sanctum
34% of 203 decks +6% synergy
Slagwoods Bridge
34% of 59 decks +31% synergy
Watery Grave
31% of 227 decks -10% synergy
Steam Vents
31% of 132 decks -8% synergy
Hallowed Fountain
31% of 203 decks -10% synergy
Path of Ancestry
30% of 227 decks +9% synergy
Spire of Industry
30% of 227 decks +27% synergy
Godless Shrine
29% of 203 decks -12% synergy
Raffine's Tower
28% of 194 decks -0% synergy
The Mycosynth Gardens
26% of 157 decks +24% synergy
Sunken Hollow
26% of 227 decks -9% synergy
Blood Crypt
24% of 132 decks -15% synergy
Prairie Stream
24% of 203 decks -9% synergy
Xander's Lounge
24% of 123 decks -4% synergy
Sacred Foundry
24% of 119 decks -13% synergy
Evolving Wilds
23% of 227 decks +2% synergy
Contaminated Landscape
23% of 22 decks +10% synergy
Temple of Enlightenment
21% of 203 decks +4% synergy
Crumbling Necropolis
20% of 132 decks -11% synergy
Temple of Silence
19% of 203 decks +1% synergy
Temple of Deceit
19% of 227 decks +3% synergy
The World Tree
18% of 60 decks -15% synergy
Flooded Strand
18% of 227 decks +8% synergy
Dimir Aqueduct
18% of 227 decks +1% synergy
Raugrin Triome
18% of 117 decks -9% synergy
Orzhov Basilica
17% of 203 decks +1% synergy
Skycloud Expanse
17% of 203 decks +4% synergy
Polluted Delta
17% of 227 decks +5% synergy
Azorius Chancery
16% of 203 decks +1% synergy
Smoldering Marsh
16% of 132 decks -17% synergy
Savai Triome
15% of 117 decks -12% synergy
Scalding Tarn
15% of 227 decks +4% synergy
Sea of Clouds
15% of 201 decks -11% synergy
Marsh Flats
15% of 227 decks +3% synergy
Glimmervoid
14% of 227 decks +13% synergy
Vault of Champions
13% of 201 decks -12% synergy
Savannah
13% of 60 decks +0% synergy
Adarkar Wastes
13% of 203 decks -4% synergy
Caves of Koilos
13% of 203 decks -15% synergy