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.

Top Commanders (1)
Urza, Chief Artificer
0.01% of 10507 decks 1 decks
Creatures (20)
Coretapper
100% of 1 decks +100% synergy
Shirei, Shizo's Caretaker
100% of 1 decks +100% synergy
Cogwork Assembler
100% of 1 decks +100% synergy
Su-Chi Cave Guard
100% of 1 decks +100% synergy
Myr Galvanizer
100% of 1 decks +100% synergy
Eternal Taskmaster
100% of 1 decks +100% synergy
Voltaic Construct
100% of 1 decks +100% synergy
Triplicate Titan
100% of 1 decks +99% synergy
Alloy Myr
100% of 1 decks +99% synergy
Hangarback Walker
100% of 1 decks +99% synergy
Ria Ivor, Bane of Bladehold
100% of 1 decks +99% synergy
Palladium Myr
100% of 1 decks +99% synergy
Thopter Assembly
100% of 1 decks +98% synergy
Scrap Trawler
100% of 1 decks +98% synergy
Leaden Myr
100% of 1 decks +97% synergy
Kappa Cannoneer
100% of 1 decks +97% synergy
Gold Myr
100% of 1 decks +97% synergy
Silver Myr
100% of 1 decks +96% synergy
Sharuum the Hegemon
100% of 1 decks +96% synergy
Urza, Prince of Kroog
100% of 1 decks +94% synergy
Instants (4)
Szat's Will
100% of 1 decks +100% synergy
Dramatic Reversal
100% of 1 decks +96% synergy
Enlightened Tutor
100% of 1 decks +79% synergy
Swords to Plowshares
100% of 1 decks +31% synergy
Sorceries (4)
Morningtide
100% of 1 decks +100% synergy
Fractured Identity
100% of 1 decks +99% synergy
Organic Extinction
100% of 1 decks +95% synergy
Diabolic Tutor
100% of 1 decks +94% synergy
Utility Artifacts (18)
Silent Gravestone
100% of 1 decks +100% synergy
Sentinel Totem
100% of 1 decks +100% synergy
Immortal Coil
100% of 1 decks +100% synergy
Magistrate's Scepter
100% of 1 decks +100% synergy
Animation Module
100% of 1 decks +100% synergy
The Stasis Coffin
100% of 1 decks +100% synergy
Contagion Engine
100% of 1 decks +100% synergy
Mirror Box
100% of 1 decks +99% synergy
Clock of Omens
100% of 1 decks +99% synergy
Mimic Vat
100% of 1 decks +99% synergy
Manifold Key
100% of 1 decks +99% synergy
Lithoform Engine
100% of 1 decks +98% synergy
Mirage Mirror
100% of 1 decks +98% synergy
Sword of the Meek
100% of 1 decks +98% synergy
Thopter Foundry
100% of 1 decks +97% synergy
Sculpting Steel
100% of 1 decks +96% synergy
Ashnod's Altar
100% of 1 decks +91% synergy
Skullclamp
100% of 1 decks +85% synergy
Enchantments (1)
Training Grounds
100% of 1 decks +98% synergy
Utility Lands (11)
Ghost Town
100% of 1 decks +100% synergy
Shrine of the Forsaken Gods
100% of 1 decks +100% synergy
Ghost Quarter
100% of 1 decks +99% synergy
Field of Ruin
100% of 1 decks +99% synergy
Eiganjo, Seat of the Empire
100% of 1 decks +92% synergy
Darksteel Citadel
100% of 1 decks +90% synergy
Vault of Whispers
100% of 1 decks +88% synergy
Ancient Den
100% of 1 decks +87% synergy
Seat of the Synod
100% of 1 decks +87% synergy
Otawara, Soaring City
100% of 1 decks +82% synergy
Reliquary Tower
100% of 1 decks +66% synergy
Mana Artifacts (12)
Nyx Lotus
100% of 1 decks +100% synergy
Stonespeaker Crystal
100% of 1 decks +100% synergy
Machine God's Effigy
100% of 1 decks +99% synergy
Worn Powerstone
100% of 1 decks +98% synergy
Basalt Monolith
100% of 1 decks +98% synergy
Everflowing Chalice
100% of 1 decks +97% synergy
Thran Dynamo
100% of 1 decks +96% synergy
Gilded Lotus
100% of 1 decks +95% synergy
Mind Stone
100% of 1 decks +83% synergy
Thought Vessel
100% of 1 decks +77% synergy
Arcane Signet
100% of 1 decks +14% synergy
Sol Ring
100% of 1 decks +10% synergy
Lands (7)
Spire of Industry
100% of 1 decks +88% synergy
Obscura Storefront
100% of 1 decks +84% synergy
Terramorphic Expanse
100% of 1 decks +81% synergy
Evolving Wilds
100% of 1 decks +72% synergy
Caves of Koilos
100% of 1 decks +71% synergy
Arcane Sanctum
100% of 1 decks +44% synergy
Command Tower
100% of 1 decks +9% synergy