Dour Port-Mage + Capture of Jingzhou + Eternal Witness

Dour Port-Mage
Capture of Jingzhou
Eternal Witness

Requires
Dour Port-Mage must be on the battlefield. Capture of Jingzhou must be in hand. Eternal Witness must be in hand.
Steps
  1. Cast Capture of Jingzhou by paying its mana cost, causing you to take an extra turn after this one.
  2. Cast Eternal Witness by paying its mana cost.
  3. When Eternal Witness enters the battlefield, it triggers, returning Capture of Jingzhou from your graveyard to your hand.
  4. Move to your next turn.
  5. Activate Dour Port-Mage by paying 1 and tapping it, returning Eternal Witness from the battlefield to your hand.
  6. Dour Port-Mage triggers, causing you to draw a card.
  7. Repeat.
Results
Infinite turns.

Roon of the Hidden Realm
0.41% of 1459 decks 6 decks
Atraxa, Grand Unifier
0.06% of 6598 decks 4 decks
Loot, the Pathfinder
0.08% of 2539 decks 2 decks
Galadriel, Light of Valinor
0.03% of 6256 decks 2 decks
Glarb, Calamity's Augur
0.02% of 9439 decks 2 decks
Clement, the Worrywort
0.02% of 4067 decks 1 decks
Jenara, Asura of War
0.31% of 322 decks 1 decks
The Second Doctor // Susan Foreman
1.06% of 94 decks 1 decks
Chulane, Teller of Tales
0.03% of 3729 decks 1 decks
Alora, Merry Thief // Raised by Giants
7.14% of 14 decks 1 decks
Lagrella, the Magpie
0.12% of 861 decks 1 decks
New Cards
Songcrafter Mage
100% of 1 decks +98% synergy
Nature's Rhythm
20% of 5 decks +17% synergy
Winternight Stories
17% of 6 decks +16% synergy
High Synergy Cards
Soulherder
94% of 16 decks +89% synergy
Cloudshift
69% of 16 decks +66% synergy
Ephemerate
69% of 16 decks +63% synergy
Peregrine Drake
64% of 22 decks +60% synergy
Ghostly Flicker
59% of 22 decks +54% synergy
Baleful Strix
67% of 6 decks +54% synergy
Time Warp
55% of 22 decks +52% synergy
Elesh Norn, Mother of Machines
56% of 16 decks +52% synergy
Archaeomancer
55% of 22 decks +51% synergy
Panharmonicon
55% of 22 decks +51% synergy
Top Cards
Path to Exile
56% of 16 decks +9% synergy
Deadeye Navigator
50% of 22 decks +48% synergy
Teleportation Circle
50% of 16 decks +46% synergy
Coiling Oracle
50% of 22 decks +43% synergy
Swords to Plowshares
50% of 16 decks -13% synergy
Venser, Shaper Savant
45% of 22 decks +44% synergy
Farseek
45% of 22 decks +11% synergy
Cultivate
45% of 22 decks +0% synergy
Momentary Blink
44% of 16 decks +41% synergy
Thassa, Deep-Dwelling
41% of 22 decks +38% synergy
Game Changers
Cyclonic Rift
59% of 22 decks +33% synergy
Vampiric Tutor
50% of 6 decks +33% synergy
Enlightened Tutor
38% of 16 decks +20% synergy
Mystical Tutor
36% of 22 decks +22% synergy
Rhystic Study
36% of 22 decks +10% synergy
Fierce Guardianship
32% of 22 decks +14% synergy
The One Ring
18% of 22 decks +10% synergy
Mox Diamond
14% of 22 decks +9% synergy
Chrome Mox
14% of 22 decks +7% synergy
Thassa's Oracle
14% of 22 decks +7% synergy
Creatures
Displacer Kitten
41% of 22 decks +36% synergy
Mulldrifter
41% of 22 decks +36% synergy
Eldrazi Displacer
38% of 16 decks +36% synergy
Restoration Angel
38% of 16 decks +35% synergy
Reclamation Sage
36% of 22 decks +26% synergy
Yorion, Sky Nomad
31% of 16 decks +29% synergy
Wall of Omens
31% of 16 decks +28% synergy
Brago, King Eternal
31% of 16 decks +28% synergy
Noble Hierarch
31% of 16 decks +15% synergy
Riptide Gearhulk
30% of 10 decks +27% synergy
Wall of Blossoms
27% of 22 decks +26% synergy
Lilysplash Mentor
27% of 22 decks +25% synergy
Wood Elves
27% of 22 decks +21% synergy
Birds of Paradise
27% of 22 decks -0% synergy
Mistmeadow Witch
25% of 16 decks +24% synergy
Abuelo, Ancestral Echo
25% of 16 decks +24% synergy
Reflector Mage
25% of 16 decks +23% synergy
Felidar Guardian
25% of 16 decks +23% synergy
Skyclave Apparition
25% of 16 decks +22% synergy
Spirited Companion
25% of 16 decks +21% synergy
Loran of the Third Path
25% of 16 decks +19% synergy
Witch Enchanter
25% of 16 decks +18% synergy
Faeburrow Elder
25% of 16 decks +14% synergy
Clifftop Lookout
23% of 22 decks +21% synergy
Agent of Treachery
23% of 22 decks +21% synergy
Elvish Visionary
23% of 22 decks +21% synergy
Timeless Witness
23% of 22 decks +20% synergy
Farhaven Elf
23% of 22 decks +19% synergy
Spellseeker
23% of 22 decks +19% synergy
Seedborn Muse
23% of 22 decks +15% synergy
Solitude
19% of 16 decks +17% synergy
Cloudblazer
19% of 16 decks +16% synergy
Recruiter of the Guard
19% of 16 decks +16% synergy
Emiel the Blessed
19% of 16 decks +16% synergy
Karmic Guide
19% of 16 decks +15% synergy
Sun Titan
19% of 16 decks +9% synergy
Avacyn's Pilgrim
19% of 16 decks +5% synergy
Esper Sentinel
19% of 16 decks -1% synergy
Cloud of Faeries
18% of 22 decks +16% synergy
Aether Channeler
18% of 22 decks +16% synergy
Risen Reef
18% of 22 decks +15% synergy
Hullbreaker Horror
18% of 22 decks +11% synergy
Bloom Tender
18% of 22 decks +10% synergy
Solemn Simulacrum
18% of 22 decks +5% synergy
Palinchron
14% of 22 decks +13% synergy
Thragtusk
14% of 22 decks +13% synergy
Long River Lurker
14% of 22 decks +13% synergy
Pond Prophet
14% of 22 decks +12% synergy
Mystic Snake
14% of 22 decks +12% synergy
Snapcaster Mage
14% of 22 decks +12% synergy
Instants
Assassin's Trophy
50% of 6 decks +20% synergy
Worldly Tutor
41% of 22 decks +27% synergy
Eerie Interlude
38% of 16 decks +34% synergy
Heroic Intervention
36% of 22 decks +7% synergy
Counterspell
36% of 22 decks -6% synergy
Mana Drain
32% of 22 decks +17% synergy
Growth Spiral
32% of 22 decks +10% synergy
Dovin's Veto
31% of 16 decks +13% synergy
An Offer You Can't Refuse
27% of 22 decks +6% synergy
Eladamri's Call
25% of 16 decks +15% synergy
Essence Flux
23% of 22 decks +20% synergy
Ghostway
19% of 16 decks +18% synergy
Displace
18% of 22 decks +17% synergy
Swan Song
18% of 22 decks +2% synergy
Disallow
14% of 22 decks +12% synergy
Voidslime
14% of 22 decks +12% synergy
Force of Vigor
14% of 22 decks +10% synergy
Sink into Stupor
14% of 22 decks +4% synergy
Brainstorm
14% of 22 decks -6% synergy
Beast Within
14% of 22 decks -24% synergy
Sorceries
Temporal Manipulation
36% of 22 decks +35% synergy
Nature's Lore
36% of 22 decks +5% synergy
Rampant Growth
36% of 22 decks +2% synergy
Three Visits
32% of 22 decks +7% synergy
Kodama's Reach
32% of 22 decks +1% synergy
Approach of the Second Sun
31% of 16 decks +28% synergy
Explore
27% of 22 decks +18% synergy
Bala Ged Recovery
23% of 22 decks +14% synergy
Eldritch Evolution
18% of 22 decks +14% synergy
Green Sun's Zenith
18% of 22 decks +13% synergy
Regrowth
14% of 22 decks +10% synergy
Finale of Devastation
14% of 22 decks +6% synergy
Utility Artifacts
Conjurer's Closet
32% of 22 decks +30% synergy
Cloudstone Curio
14% of 22 decks +13% synergy
Lotus Petal
14% of 22 decks +7% synergy
Commander's Sphere
14% of 22 decks -1% synergy
Swiftfoot Boots
14% of 22 decks -14% synergy
Enchantments
Guardian Project
27% of 22 decks +19% synergy
Smothering Tithe
25% of 16 decks +1% synergy
Exploration
23% of 22 decks +15% synergy
Sylvan Library
23% of 22 decks +12% synergy
Mystic Remora
23% of 22 decks +5% synergy
Virtue of Knowledge
18% of 22 decks +16% synergy
Utopia Sprawl
18% of 22 decks +10% synergy
Wild Growth
14% of 22 decks +3% synergy
Planeswalkers
Teferi, Time Raveler
31% of 16 decks +25% synergy
Venser, the Sojourner
25% of 16 decks +24% synergy
Utility Lands
Reliquary Tower
41% of 22 decks +11% synergy
Boseiju, Who Endures
27% of 22 decks +9% synergy
Alchemist's Refuge
23% of 22 decks +16% synergy
Field of the Dead
18% of 22 decks +15% synergy
Mystic Sanctuary
18% of 22 decks +7% synergy
Otawara, Soaring City
18% of 22 decks +2% synergy
Yavimaya, Cradle of Growth
14% of 22 decks +5% synergy
Mana Artifacts
Sol Ring
91% of 22 decks +7% synergy
Arcane Signet
68% of 22 decks -4% synergy
Talisman of Progress
31% of 16 decks +7% synergy
Talisman of Unity
25% of 16 decks +17% synergy
Talisman of Curiosity
23% of 22 decks +10% synergy
Thought Vessel
23% of 22 decks +6% synergy
Fellwar Stone
23% of 22 decks +2% synergy
Azorius Signet
19% of 16 decks -6% synergy
Lands
Godless Shrine
100% of 4 decks +60% synergy
Watery Grave
100% of 6 decks +60% synergy
Command Tower
86% of 22 decks +12% synergy
Overgrown Tomb
83% of 6 decks +42% synergy
Indatha Triome
75% of 4 decks +45% synergy
Breeding Pool
73% of 22 decks +32% synergy
Temple Garden
62% of 16 decks +23% synergy
Misty Rainforest
59% of 22 decks +48% synergy
Hallowed Fountain
56% of 16 decks +16% synergy
Flooded Strand
50% of 22 decks +39% synergy
Hinterland Harbor
50% of 22 decks +20% synergy
Woodland Cemetery
50% of 6 decks +20% synergy
Spara's Headquarters
50% of 16 decks +20% synergy
Windswept Heath
45% of 22 decks +35% synergy
Sunpetal Grove
38% of 16 decks +13% synergy
Glacial Fortress
38% of 16 decks +10% synergy
Yavimaya Coast
36% of 22 decks +9% synergy
Rejuvenating Springs
36% of 22 decks +8% synergy
Scalding Tarn
32% of 22 decks +21% synergy
Verdant Catacombs
32% of 22 decks +21% synergy
Polluted Delta
32% of 22 decks +20% synergy
Exotic Orchard
32% of 22 decks -4% synergy
Bountiful Promenade
31% of 16 decks +7% synergy
Sea of Clouds
31% of 16 decks +5% synergy
Wooded Foothills
27% of 22 decks +17% synergy
Temple of Plenty
25% of 16 decks +12% synergy
Brushland
25% of 16 decks +8% synergy
Adarkar Wastes
25% of 16 decks +5% synergy
Seaside Citadel
25% of 16 decks -1% synergy
Canopy Vista
25% of 16 decks -12% synergy
Fabled Passage
23% of 22 decks +14% synergy
Dreamroot Cascade
23% of 22 decks +3% synergy
Hengegate Pathway
19% of 16 decks +12% synergy
Branchloft Pathway
19% of 16 decks +11% synergy
Temple of Enlightenment
19% of 16 decks +2% synergy
Prairie Stream
19% of 16 decks -15% synergy
Reflecting Pool
18% of 22 decks +13% synergy
Arid Mesa
18% of 22 decks +8% synergy
Hedge Maze
18% of 22 decks +7% synergy
Marsh Flats
18% of 22 decks +7% synergy
Flooded Grove
18% of 22 decks +5% synergy
Temple of Mystery
18% of 22 decks +1% synergy
Barkchannel Pathway
14% of 22 decks +6% synergy
Tropical Island
14% of 22 decks -0% synergy
Terramorphic Expanse
14% of 22 decks -2% synergy
Evolving Wilds
14% of 22 decks -7% synergy