Time Sieve + Myr Battlesphere + Harnessed Snubhorn

Time Sieve
Myr Battlesphere
Harnessed Snubhorn

Requires
Time Sieve must be on the battlefield. Myr Battlesphere must be in the graveyard. Harnessed Snubhorn must be on the battlefield. Harnessed Snubhorn does not have summoning sickness and cannot be blocked by an opponent.
Steps
  1. Deal combat damage with Harnessed Snubhorn.
  2. Harnessed Snubhorn triggers, returning Myr Battlesphere from your graveyard to the battlefield.
  3. Myr Battlesphere enters the battlefield, creating four 1/1 Myr creature tokens.
  4. Activate Time Sieve by tapping it, sacrificing Myr Battlesphere and sacrificing the four Myr tokens, causing you to take an extra turn after this one.
  5. Repeat each turn.
Results
Infinite turns.

Sharuum the Hegemon
0.05% of 1960 decks 1 decks
Urza, Chief Artificer
0.01% of 14102 decks 1 decks
Creatures
Refurbished Familiar
100% of 1 decks +99% synergy
Gandalf the White
100% of 1 decks +99% synergy
Coretapper
50% of 2 decks +50% synergy
Shirei, Shizo's Caretaker
50% of 2 decks +50% synergy
Cogwork Assembler
50% of 2 decks +50% synergy
Myr Galvanizer
50% of 2 decks +50% synergy
Su-Chi Cave Guard
50% of 2 decks +50% synergy
Eternal Taskmaster
50% of 2 decks +50% synergy
Pirated Copy
50% of 2 decks +50% synergy
Voltaic Construct
50% of 2 decks +50% synergy
Ironsoul Enforcer
50% of 2 decks +50% synergy
Mirror Image
50% of 2 decks +50% synergy
Lodestone Golem
50% of 2 decks +50% synergy
Triplicate Titan
50% of 2 decks +50% synergy
Alloy Myr
50% of 2 decks +49% synergy
Ria Ivor, Bane of Bladehold
50% of 2 decks +49% synergy
Hangarback Walker
50% of 2 decks +49% synergy
Thopter Assembly
50% of 2 decks +49% synergy
Palladium Myr
50% of 2 decks +49% synergy
Restoration Angel
50% of 2 decks +48% synergy
Trinket Mage
50% of 2 decks +48% synergy
Ethersworn Sphinx
50% of 2 decks +48% synergy
Scrap Trawler
50% of 2 decks +48% synergy
Armix, Filigree Thrasher
50% of 2 decks +47% synergy
Felidar Guardian
50% of 2 decks +47% synergy
Jin-Gitaxias, Progress Tyrant
50% of 2 decks +47% synergy
Ethersworn Canonist
50% of 2 decks +47% synergy
Leaden Myr
50% of 2 decks +47% synergy
Spellskite
50% of 2 decks +47% synergy
Tivit, Seller of Secrets
50% of 2 decks +47% synergy
Gold Myr
50% of 2 decks +46% synergy
Gold-Forged Thopteryx
50% of 2 decks +46% synergy
Kappa Cannoneer
50% of 2 decks +46% synergy
Silver Myr
50% of 2 decks +46% synergy
Sharuum the Hegemon
50% of 2 decks +46% synergy
Elesh Norn, Mother of Machines
50% of 2 decks +46% synergy
Urza, Prince of Kroog
50% of 2 decks +45% synergy
Grand Arbiter Augustin IV
50% of 2 decks +44% synergy
Emry, Lurker of the Loch
50% of 2 decks +43% synergy
Urza, Lord High Artificer
50% of 2 decks +43% synergy
Mulldrifter
50% of 2 decks +42% synergy
Thought Monitor
50% of 2 decks +42% synergy
Etherium Sculptor
50% of 2 decks +38% synergy
Baleful Strix
50% of 2 decks +27% synergy
Instants
Getaway Glamer
100% of 1 decks +100% synergy
Fell the Profane
100% of 1 decks +92% synergy
Sink into Stupor
100% of 1 decks +88% synergy
Swords to Plowshares
100% of 2 decks +31% synergy
Szat's Will
50% of 2 decks +50% synergy
Dig Through Time
50% of 2 decks +48% synergy
Dramatic Reversal
50% of 2 decks +47% synergy
Spell Pierce
50% of 2 decks +46% synergy
Deadly Dispute
50% of 2 decks +46% synergy
Dispel
50% of 2 decks +45% synergy
Ephemerate
50% of 2 decks +44% synergy
Dark Ritual
50% of 2 decks +34% synergy
Brainstorm
50% of 2 decks +31% synergy
Enlightened Tutor
50% of 2 decks +28% synergy
Path to Exile
50% of 2 decks +7% synergy
Sorceries
Organic Extinction
100% of 2 decks +95% synergy
Morningtide
50% of 2 decks +50% synergy
Fractured Identity
50% of 2 decks +49% synergy
Treasure Cruise
50% of 2 decks +47% synergy
Gitaxian Probe
50% of 2 decks +46% synergy
Diabolic Tutor
50% of 2 decks +45% synergy
Sevinne's Reclamation
50% of 2 decks +42% synergy
Windfall
50% of 2 decks +37% synergy
Supreme Verdict
50% of 2 decks +33% synergy
Utility Artifacts
Unstable Glyphbridge
100% of 1 decks +99% synergy
Thopter Foundry
100% of 2 decks +98% synergy
Sentinel Totem
50% of 2 decks +50% synergy
Silent Gravestone
50% of 2 decks +50% synergy
Immortal Coil
50% of 2 decks +50% synergy
Magistrate's Scepter
50% of 2 decks +50% synergy
Animation Module
50% of 2 decks +50% synergy
The Stasis Coffin
50% of 2 decks +50% synergy
Contagion Engine
50% of 2 decks +50% synergy
Clock of Omens
50% of 2 decks +49% synergy
Mimic Vat
50% of 2 decks +49% synergy
Mirror Box
50% of 2 decks +49% synergy
Manifold Key
50% of 2 decks +49% synergy
Semblance Anvil
50% of 2 decks +49% synergy
Lithoform Engine
50% of 2 decks +49% synergy
Mirage Mirror
50% of 2 decks +48% synergy
Sword of the Meek
50% of 2 decks +48% synergy
Altar of the Brood
50% of 2 decks +48% synergy
Sculpting Steel
50% of 2 decks +46% synergy
The Golden Throne
50% of 2 decks +46% synergy
Shorikai, Genesis Engine
50% of 2 decks +45% synergy
Ashnod's Altar
50% of 2 decks +41% synergy
Bolas's Citadel
50% of 2 decks +40% synergy
Skullclamp
50% of 2 decks +35% synergy
Enchantments
Kozilek's Unsealing
100% of 1 decks +100% synergy
Training Grounds
50% of 2 decks +48% synergy
Mirrormade
50% of 2 decks +41% synergy
Planeswalkers
Tezzeret the Seeker
50% of 2 decks +47% synergy
The Eternal Wanderer
50% of 2 decks +47% synergy
Aminatou, the Fateshifter
50% of 2 decks +47% synergy
Dakkon, Shadow Slayer
50% of 2 decks +46% synergy
Utility Lands
Seat of the Synod
100% of 2 decks +87% synergy
Ghost Town
50% of 2 decks +50% synergy
Shrine of the Forsaken Gods
50% of 2 decks +50% synergy
Ghost Quarter
50% of 2 decks +49% synergy
Field of Ruin
50% of 2 decks +49% synergy
Cephalid Coliseum
50% of 2 decks +48% synergy
Eiganjo, Seat of the Empire
50% of 2 decks +43% synergy
Darksteel Citadel
50% of 2 decks +41% synergy
Vault of Whispers
50% of 2 decks +38% synergy
Ancient Den
50% of 2 decks +38% synergy
Otawara, Soaring City
50% of 2 decks +32% synergy
Reliquary Tower
50% of 2 decks +16% synergy
Mana Artifacts
Arcane Signet
100% of 2 decks +13% synergy
Sol Ring
100% of 2 decks +10% synergy
Nyx Lotus
50% of 2 decks +50% synergy
Stonespeaker Crystal
50% of 2 decks +50% synergy
Machine God's Effigy
50% of 2 decks +49% synergy
Worn Powerstone
50% of 2 decks +48% synergy
Basalt Monolith
50% of 2 decks +48% synergy
Everflowing Chalice
50% of 2 decks +47% synergy
Thran Dynamo
50% of 2 decks +46% synergy
Gilded Lotus
50% of 2 decks +45% synergy
Mind Stone
50% of 2 decks +33% synergy
Thought Vessel
50% of 2 decks +27% synergy
Fellwar Stone
50% of 2 decks +13% synergy
Talisman of Progress
50% of 2 decks +12% synergy
Talisman of Hierarchy
50% of 2 decks +12% synergy
Dimir Signet
50% of 2 decks +11% synergy
Azorius Signet
50% of 2 decks +8% synergy
Orzhov Signet
50% of 2 decks +8% synergy
Talisman of Dominance
50% of 2 decks +7% synergy
Lands
Spire of Industry
100% of 2 decks +88% synergy
Contaminated Landscape
100% of 1 decks +71% synergy
Command Tower
100% of 2 decks +8% synergy
Ice Tunnel
50% of 2 decks +48% synergy
Glacial Floodplain
50% of 2 decks +48% synergy
The Mycosynth Gardens
50% of 2 decks +47% synergy
Fetid Pools
50% of 2 decks +46% synergy
Seachrome Coast
50% of 2 decks +46% synergy
Irrigated Farmland
50% of 2 decks +45% synergy
Tainted Isle
50% of 2 decks +45% synergy
Windswept Heath
50% of 2 decks +41% synergy
Razortide Bridge
50% of 2 decks +40% synergy
Darkwater Catacombs
50% of 2 decks +36% synergy
Obscura Storefront
50% of 2 decks +36% synergy
Skycloud Expanse
50% of 2 decks +35% synergy
Choked Estuary
50% of 2 decks +33% synergy
Port Town
50% of 2 decks +32% synergy
Terramorphic Expanse
50% of 2 decks +31% synergy
Shipwreck Marsh
50% of 2 decks +29% synergy
Path of Ancestry
50% of 2 decks +24% synergy
Drowned Catacomb
50% of 2 decks +24% synergy
Evolving Wilds
50% of 2 decks +23% synergy
Caves of Koilos
50% of 2 decks +19% synergy
Polluted Delta
50% of 2 decks +18% synergy
Sunken Hollow
50% of 2 decks +10% synergy
Prairie Stream
50% of 2 decks +9% synergy
Godless Shrine
50% of 2 decks +2% synergy
Hallowed Fountain
50% of 2 decks +1% synergy
Arcane Sanctum
50% of 2 decks -6% synergy
Exotic Orchard
50% of 2 decks -8% synergy