Time Sieve + Myr Battlesphere + Extravagant Replication

Time Sieve
Myr Battlesphere
Extravagant Replication

Requires
Time Sieve must be on the battlefield. Myr Battlesphere must be on the battlefield. Extravagant Replication must be on the battlefield.
Steps
  1. At the beginning of your upkeep, Extravagant Replication triggers, creating a token copy of Myr Battlesphere.
  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
0.04% of 13797 decks 5 decks
Breya, Etherium Shaper
0.03% of 13908 decks 4 decks
Urtet, Remnant of Memnarch
0.03% of 14639 decks 4 decks
Tawnos, Solemn Survivor
0.32% of 937 decks 3 decks
Captain N'ghathrod
0.01% of 12664 decks 1 decks
Tivit, Seller of Secrets
0.01% of 11562 decks 1 decks
Lazav, Wearer of Faces
0.15% of 652 decks 1 decks
Soundwave, Sonic Spy
0.07% of 1431 decks 1 decks
Obeka, Splitter of Seconds
0.01% of 10074 decks 1 decks
Toxrill, the Corrosive
0.02% of 5557 decks 1 decks
Kenrith, the Returned King
0.00% of 21730 decks 1 decks
High Synergy Cards
Copper Myr
100% of 5 decks +99% synergy
Iron Myr
60% of 10 decks +57% synergy
Emry, Lurker of the Loch
61% of 23 decks +57% synergy
Ancient Den
53% of 19 decks +47% synergy
Great Furnace
50% of 10 decks +44% synergy
Darksteel Citadel
48% of 23 decks +44% synergy
Jhoira, Weatherlight Captain
50% of 10 decks +44% synergy
Vault of Whispers
48% of 23 decks +43% synergy
Seat of the Synod
48% of 23 decks +42% synergy
Mechanized Production
43% of 23 decks +41% synergy
Top Cards
Unwinding Clock
43% of 23 decks +41% synergy
Gold Myr
42% of 19 decks +39% synergy
Tezzeret, Master of the Bridge
39% of 23 decks +37% synergy
Urza, Prince of Kroog
37% of 19 decks +34% synergy
Anointed Procession
37% of 19 decks +28% synergy
Smothering Tithe
37% of 19 decks +12% synergy
Path to Exile
37% of 19 decks -9% synergy
Swords to Plowshares
37% of 19 decks -26% synergy
Artificer Class
35% of 23 decks +34% synergy
Leaden Myr
35% of 23 decks +33% synergy
Creatures
Sai, Master Thopterist
35% of 23 decks +31% synergy
Foundry Inspector
35% of 23 decks +31% synergy
Alibou, Ancient Witness
33% of 9 decks +31% synergy
Mondrak, Glory Dominus
33% of 15 decks +24% synergy
Mirkwood Bats
33% of 15 decks +21% synergy
Palladium Myr
30% of 23 decks +28% synergy
Silver Myr
30% of 23 decks +28% synergy
Padeem, Consul of Innovation
30% of 23 decks +27% synergy
Marionette Master
30% of 23 decks +27% synergy
Etherium Sculptor
30% of 23 decks +25% synergy
Brudiclad, Telchor Engineer
30% of 10 decks +26% synergy
Reckless Fireweaver
30% of 10 decks +26% synergy
Knighted Myr
26% of 19 decks +26% synergy
Myrsmith
26% of 19 decks +26% synergy
Myr Galvanizer
26% of 23 decks +26% synergy
Thopter Assembly
26% of 23 decks +26% synergy
Steel Overseer
26% of 23 decks +25% synergy
Myr Retriever
26% of 23 decks +24% synergy
Urza, Lord High Artificer
26% of 23 decks +23% synergy
The Reality Chip
26% of 23 decks +22% synergy
Solemn Simulacrum
26% of 23 decks +12% synergy
Cybermen Squadron
25% of 12 decks +24% synergy
Myr Kinsmith
24% of 17 decks +23% synergy
Myr Superion
22% of 23 decks +22% synergy
Myr Welder
22% of 23 decks +21% synergy
Shimmer Myr
22% of 23 decks +20% synergy
Academy Manufactor
22% of 23 decks +18% synergy
Bronze Guardian
21% of 19 decks +19% synergy
Lodestone Myr
17% of 23 decks +17% synergy
Hovermyr
17% of 23 decks +17% synergy
Myr Enforcer
17% of 23 decks +17% synergy
Alloy Myr
17% of 23 decks +17% synergy
Master Transmuter
17% of 23 decks +16% synergy
Jhoira's Familiar
17% of 23 decks +16% synergy
Scrap Trawler
17% of 23 decks +15% synergy
Burnished Hart
17% of 23 decks +13% synergy
Digsite Engineer
16% of 19 decks +15% synergy
Urza, Lord Protector
16% of 19 decks +14% synergy
Cogwork Assembler
13% of 23 decks +13% synergy
Coretapper
13% of 23 decks +13% synergy
Perilous Myr
13% of 23 decks +13% synergy
Myr Propagator
13% of 23 decks +13% synergy
Parcel Myr
13% of 23 decks +13% synergy
Myr Sire
13% of 23 decks +13% synergy
Plague Myr
13% of 23 decks +12% synergy
Liberator, Urza's Battlethopter
13% of 23 decks +11% synergy
Ruthless Technomancer
13% of 23 decks +11% synergy
Cyberdrive Awakener
13% of 23 decks +11% synergy
Ornithopter of Paradise
13% of 23 decks +9% synergy
Baleful Strix
13% of 23 decks -0% synergy
Instants
Counterspell
35% of 23 decks -8% synergy
Dispatch
32% of 19 decks +27% synergy
Enlightened Tutor
26% of 19 decks +9% synergy
Dark Ritual
22% of 23 decks -1% synergy
See Double
20% of 15 decks +18% synergy
Dramatic Reversal
17% of 23 decks +12% synergy
Negate
17% of 23 decks -5% synergy
An Offer You Can't Refuse
13% of 23 decks -8% synergy
Sorceries
Organic Extinction
32% of 19 decks +29% synergy
Fabricate
30% of 23 decks +24% synergy
March of Progress
22% of 23 decks +21% synergy
Saheeli's Artistry
17% of 23 decks +17% synergy
Stolen Identity
17% of 23 decks +16% synergy
Demonic Tutor
17% of 23 decks -5% synergy
Austere Command
16% of 19 decks +3% synergy
Sign in Blood
13% of 23 decks +3% synergy
Utility Artifacts
Thopter Foundry
32% of 19 decks +30% synergy
Darksteel Forge
30% of 23 decks +29% synergy
Ashnod's Altar
30% of 23 decks +23% synergy
Swiftfoot Boots
30% of 23 decks +3% synergy
Skullclamp
26% of 23 decks +14% synergy
Lightning Greaves
26% of 23 decks +1% synergy
Myr Turbine
22% of 23 decks +21% synergy
Mirrorworks
22% of 23 decks +21% synergy
Mycosynth Lattice
22% of 23 decks +21% synergy
Mystic Forge
22% of 23 decks +19% synergy
Helm of the Host
22% of 23 decks +19% synergy
Panharmonicon
22% of 23 decks +18% synergy
Darksteel Monolith
20% of 15 decks +19% synergy
Sword of the Meek
17% of 23 decks +17% synergy
Rings of Brighthearth
17% of 23 decks +16% synergy
Cloud Key
17% of 23 decks +15% synergy
Sculpting Steel
17% of 23 decks +15% synergy
Strionic Resonator
17% of 23 decks +14% synergy
Thopter Shop
16% of 19 decks +15% synergy
Encroaching Mycosynth
15% of 20 decks +14% synergy
Genesis Chamber
13% of 23 decks +12% synergy
Clock of Omens
13% of 23 decks +12% synergy
Krark-Clan Ironworks
13% of 23 decks +12% synergy
Eldrazi Monument
13% of 23 decks +12% synergy
Nevinyrral's Disk
13% of 23 decks +12% synergy
Lithoform Engine
13% of 23 decks +12% synergy
Forsaken Monument
13% of 23 decks +11% synergy
Conjurer's Closet
13% of 23 decks +11% synergy
Idol of Oblivion
13% of 23 decks +9% synergy
Bolas's Citadel
13% of 23 decks +4% synergy
Wayfarer's Bauble
13% of 23 decks +3% synergy
Enchantments
Thopter Spy Network
35% of 23 decks +31% synergy
Storm the Vault
30% of 10 decks +27% synergy
Mirrodin Besieged
26% of 23 decks +24% synergy
Revel in Riches
17% of 23 decks +14% synergy
Rhystic Study
17% of 23 decks -10% synergy
Song of the Worldsoul
16% of 19 decks +15% synergy
Reflections of Littjara
13% of 23 decks +8% synergy
Kindred Discovery
13% of 23 decks +6% synergy
Planeswalkers
Tezzeret the Schemer
17% of 23 decks +17% synergy
Tezzeret, Agent of Bolas
17% of 23 decks +17% synergy
Karn, Scion of Urza
17% of 23 decks +17% synergy
Karn, Living Legacy
17% of 23 decks +17% synergy
Tezzeret the Seeker
17% of 23 decks +15% synergy
Tezzeret, Master of Metal
13% of 23 decks +13% synergy
Tezzeret, Artifice Master
13% of 23 decks +12% synergy
Ugin, the Ineffable
13% of 23 decks +11% synergy
Utility Lands
Inventors' Fair
43% of 23 decks +40% synergy
Urza's Power Plant
26% of 23 decks +24% synergy
Urza's Mine
26% of 23 decks +24% synergy
Urza's Tower
26% of 23 decks +24% synergy
Academy Ruins
26% of 23 decks +21% synergy
Buried Ruin
26% of 23 decks +21% synergy
Karn's Bastion
22% of 23 decks +17% synergy
Urza's Saga
22% of 23 decks +15% synergy
Urza's Workshop
13% of 23 decks +12% synergy
Urborg, Tomb of Yawgmoth
13% of 23 decks +3% synergy
Mana Artifacts
Arcane Signet
96% of 23 decks +24% synergy
Sol Ring
87% of 23 decks +3% synergy
Commander's Sphere
35% of 23 decks +20% synergy
Thran Dynamo
30% of 23 decks +26% synergy
Chromatic Lantern
30% of 23 decks +21% synergy
Dimir Signet
30% of 23 decks +1% synergy
Basalt Monolith
22% of 23 decks +19% synergy
Orzhov Signet
21% of 19 decks -6% synergy
Myr Reservoir
17% of 23 decks +17% synergy
Blinkmoth Urn
17% of 23 decks +17% synergy
Thought Vessel
17% of 23 decks +1% synergy
Fellwar Stone
17% of 23 decks -4% synergy
Talisman of Dominance
17% of 23 decks -14% synergy
Azorius Signet
16% of 19 decks -10% synergy
Powerstone Shard
13% of 23 decks +13% synergy
Slagstone Refinery
13% of 23 decks +13% synergy
The Mightstone and Weakstone
13% of 23 decks +12% synergy
Gilded Lotus
13% of 23 decks +10% synergy
Mind Stone
13% of 23 decks -4% synergy
Lands
Command Tower
83% of 23 decks +9% synergy
Rustvale Bridge
78% of 9 decks +72% synergy
Silverbluff Bridge
70% of 10 decks +64% synergy
Thornglint Bridge
60% of 5 decks +58% synergy
Tanglepool Bridge
60% of 5 decks +57% synergy
Darkmoss Bridge
60% of 5 decks +57% synergy
Drossforge Bridge
60% of 10 decks +56% synergy
The World Tree
60% of 5 decks +27% synergy
Goldmire Bridge
58% of 19 decks +53% synergy
Razortide Bridge
58% of 19 decks +51% synergy
Mistvault Bridge
48% of 23 decks +43% synergy
Path of Ancestry
39% of 23 decks +18% synergy
Power Depot
30% of 23 decks +30% synergy
Spire of Industry
30% of 23 decks +27% synergy
Arcane Sanctum
26% of 19 decks -1% synergy
Prairie Stream
26% of 19 decks -7% synergy
Exotic Orchard
26% of 23 decks -9% synergy
Glimmervoid
22% of 23 decks +21% synergy
Hall of Tagsin
22% of 23 decks +21% synergy
Evolving Wilds
22% of 23 decks +1% synergy
Sunken Hollow
22% of 23 decks -13% synergy
Sea of Clouds
21% of 19 decks -5% synergy
Terramorphic Expanse
17% of 23 decks +2% synergy
Temple of Deceit
17% of 23 decks +1% synergy
Dimir Aqueduct
17% of 23 decks +0% synergy
Deserted Beach
16% of 19 decks -0% synergy
Temple of Silence
16% of 19 decks -2% synergy
The Mycosynth Gardens
15% of 20 decks +13% synergy
Choked Estuary
13% of 23 decks -4% synergy
Watery Grave
13% of 23 decks -28% synergy