Kenrith, the Returned King + Eternal Witness + Capture of Jingzhou + Ashnod's Altar

Kenrith, the Returned King
Eternal Witness
Capture of Jingzhou
Ashnod's Altar

Requires
Kenrith, the Returned King must be on the battlefield. Eternal Witness must be on the battlefield. Capture of Jingzhou must be in the graveyard. Ashnod's Altar must be on the battlefield. Mana needed: 5 each turn
Steps
  1. Activate Ashnod's Altar by sacrificing Eternal Witness, adding .
  2. Activate Kenrith's last ability by paying 4, returning Eternal Witness from your graveyard to the battlefield.
  3. Eternal Witness enters the battlefield, returning Capture of Jingzhou from your graveyard to your hand.
  4. Cast Capture of Jingzhou by paying 3, causing you to take an extra turn after this one.
  5. Repeat.
Results
Infinite turns.

Kenrith, the Returned King
0.01% of 21550 decks 2 decks
Creatures
Great Whale
100% of 2 decks +100% synergy
Prize Pig
100% of 1 decks +100% synergy
Palinchron
100% of 2 decks +100% synergy
Archaeomancer
100% of 2 decks +100% synergy
Peregrine Drake
100% of 2 decks +99% synergy
Agatha of the Vile Cauldron
100% of 1 decks +96% synergy
Thassa's Oracle
100% of 2 decks +95% synergy
Cache Raiders
50% of 2 decks +50% synergy
Ministrant of Obligation
50% of 2 decks +50% synergy
Su-Chi
50% of 2 decks +50% synergy
Orzhov Enforcer
50% of 2 decks +50% synergy
Priest of Gix
50% of 2 decks +50% synergy
Deranged Hermit
50% of 2 decks +50% synergy
Salvager of Secrets
50% of 2 decks +50% synergy
Mitotic Slime
50% of 2 decks +50% synergy
Tithe Taker
50% of 2 decks +50% synergy
Seraph of the Scales
50% of 2 decks +50% synergy
Deep Forest Hermit
50% of 2 decks +50% synergy
Scholar of the Ages
50% of 2 decks +50% synergy
Su-Chi Cave Guard
50% of 2 decks +50% synergy
Soulfire Grand Master
50% of 2 decks +50% synergy
Blood Celebrant
50% of 2 decks +50% synergy
Ardent Elementalist
50% of 2 decks +50% synergy
Mnemonic Wall
50% of 2 decks +50% synergy
Izzet Chronarch
50% of 2 decks +50% synergy
Timestream Navigator
50% of 2 decks +50% synergy
Prismite
50% of 2 decks +50% synergy
Cloud of Faeries
50% of 2 decks +50% synergy
Oriq Loremage
50% of 2 decks +50% synergy
Hornet Queen
50% of 2 decks +50% synergy
Preston, the Vanisher
50% of 2 decks +50% synergy
Riku of Two Reflections
50% of 2 decks +50% synergy
K'rrik, Son of Yawgmoth
50% of 2 decks +50% synergy
Greenwarden of Murasa
50% of 2 decks +50% synergy
World Shaper
50% of 2 decks +50% synergy
Blood Artist
50% of 2 decks +50% synergy
Mistmeadow Witch
50% of 2 decks +50% synergy
Crystalline Crawler
50% of 2 decks +50% synergy
Signpost Scarecrow
50% of 2 decks +50% synergy
Viscera Seer
50% of 2 decks +50% synergy
Timeless Witness
50% of 2 decks +50% synergy
Crossroads Candleguide
50% of 2 decks +49% synergy
Composite Golem
50% of 2 decks +49% synergy
Progenitor Mimic
50% of 2 decks +49% synergy
Walking Ballista
50% of 2 decks +49% synergy
Deadeye Navigator
50% of 2 decks +49% synergy
Avenger of Zendikar
50% of 2 decks +48% synergy
Soulherder
50% of 2 decks +48% synergy
Heliod, God of the Sun
50% of 2 decks +48% synergy
Thassa, Deep-Dwelling
50% of 2 decks +48% synergy
Instants
Illusionist's Stratagem
50% of 2 decks +50% synergy
Acrobatic Maneuver
50% of 2 decks +50% synergy
Blur
50% of 2 decks +50% synergy
Essence Flux
50% of 2 decks +50% synergy
Displace
50% of 2 decks +49% synergy
Ghostway
50% of 2 decks +49% synergy
Momentary Blink
50% of 2 decks +49% synergy
Lae'zel's Acrobatics
50% of 2 decks +49% synergy
Cloudshift
50% of 2 decks +49% synergy
Semester's End
50% of 2 decks +49% synergy
Ghostly Flicker
50% of 2 decks +49% synergy
Flicker of Fate
50% of 2 decks +49% synergy
Eerie Interlude
50% of 2 decks +48% synergy
Ephemerate
50% of 2 decks +47% synergy
Brain Freeze
50% of 2 decks +47% synergy
Demonic Consultation
50% of 2 decks +46% synergy
Sorceries
Temporal Manipulation
100% of 2 decks +100% synergy
Time Warp
100% of 2 decks +99% synergy
Walk the Aeons
50% of 2 decks +50% synergy
Time Stretch
50% of 2 decks +49% synergy
Rite of Replication
50% of 2 decks +48% synergy
Utility Artifacts
Altar of Dementia
100% of 2 decks +99% synergy
Phyrexian Altar
100% of 2 decks +99% synergy
Life Chisel
50% of 2 decks +50% synergy
Transmogrant Altar
50% of 2 decks +50% synergy
Erratic Portal
50% of 2 decks +50% synergy
Blasting Station
50% of 2 decks +50% synergy
Altar of the Brood
50% of 2 decks +50% synergy
Crystal Shard
50% of 2 decks +50% synergy
Conjurer's Closet
50% of 2 decks +49% synergy
Panharmonicon
50% of 2 decks +47% synergy
Enchantments
Carnival of Souls
50% of 2 decks +50% synergy
Sunbond
50% of 2 decks +50% synergy
Light of Promise
50% of 2 decks +50% synergy
Squandered Resources
50% of 2 decks +50% synergy
Followed Footsteps
50% of 2 decks +50% synergy
Outpost Siege
50% of 2 decks +50% synergy
Molten Echoes
50% of 2 decks +49% synergy
Impact Tremors
50% of 2 decks +48% synergy
Teleportation Circle
50% of 2 decks +48% synergy
Underworld Breach
50% of 2 decks +47% synergy
Training Grounds
50% of 2 decks +45% synergy
Smothering Tithe
50% of 2 decks +29% synergy
Planeswalkers
Aminatou, the Fateshifter
50% of 2 decks +48% synergy
Utility Lands
City of Shadows
50% of 2 decks +50% synergy
Scorched Ruins
50% of 2 decks +50% synergy
Lotus Vale
50% of 2 decks +50% synergy
Guildless Commons
50% of 2 decks +50% synergy
City of Traitors
50% of 2 decks +49% synergy
Lotus Field
50% of 2 decks +49% synergy
Vesuva
50% of 2 decks +48% synergy
Command Beacon
50% of 2 decks +48% synergy
Thespian's Stage
50% of 2 decks +47% synergy
Temple of the False God
50% of 2 decks +43% synergy
Mana Artifacts
Lion's Eye Diamond
50% of 2 decks +47% synergy
Relic of Legends
50% of 2 decks +40% synergy
Lands
Rakdos Carnarium
50% of 2 decks +48% synergy
Orzhov Basilica
50% of 2 decks +48% synergy
Dimir Aqueduct
50% of 2 decks +48% synergy
Izzet Boilerworks
50% of 2 decks +48% synergy
Boros Garrison
50% of 2 decks +48% synergy
Golgari Rot Farm
50% of 2 decks +48% synergy
Azorius Chancery
50% of 2 decks +48% synergy
Gruul Turf
50% of 2 decks +48% synergy
Selesnya Sanctuary
50% of 2 decks +48% synergy
Simic Growth Chamber
50% of 2 decks +48% synergy
Gemstone Caverns
50% of 2 decks +44% synergy
Badlands
50% of 2 decks +38% synergy
Plateau
50% of 2 decks +38% synergy
Scrubland
50% of 2 decks +38% synergy
Volcanic Island
50% of 2 decks +38% synergy
Underground Sea
50% of 2 decks +38% synergy
Tundra
50% of 2 decks +37% synergy
Savannah
50% of 2 decks +37% synergy
Taiga
50% of 2 decks +37% synergy
Bayou
50% of 2 decks +37% synergy
Tropical Island
50% of 2 decks +37% synergy
Mana Confluence
50% of 2 decks +30% synergy
City of Brass
50% of 2 decks +29% synergy
Bloodstained Mire
50% of 2 decks +28% synergy
Polluted Delta
50% of 2 decks +27% synergy
Flooded Strand
50% of 2 decks +26% synergy
Scalding Tarn
50% of 2 decks +25% synergy
Steam Vents
50% of 2 decks +25% synergy
Wooded Foothills
50% of 2 decks +25% synergy
Watery Grave
50% of 2 decks +25% synergy
Godless Shrine
50% of 2 decks +24% synergy
Arid Mesa
50% of 2 decks +24% synergy
Marsh Flats
50% of 2 decks +24% synergy
Windswept Heath
50% of 2 decks +23% synergy
Hallowed Fountain
50% of 2 decks +22% synergy
Verdant Catacombs
50% of 2 decks +22% synergy
Misty Rainforest
50% of 2 decks +21% synergy
Stomping Ground
50% of 2 decks +20% synergy
Overgrown Tomb
50% of 2 decks +20% synergy
Breeding Pool
50% of 2 decks +20% synergy
Temple Garden
50% of 2 decks +20% synergy
Command Tower
50% of 2 decks -38% synergy