Roon of the Hidden Realm + Eternal Witness + Temporal Manipulation
Roon of the Hidden Realm
Eternal Witness
Temporal Manipulation
Requires
Roon of the Hidden Realm must be on the battlefield.
Eternal Witness must be on the battlefield.
Temporal Manipulation must be in hand.
Roon does not have summoning sickness.
Mana needed: 
each turn
each turn
Steps
- Cast Temporal Manipulation by paying
, causing you to take an extra turn after this one. - Activate Roon by paying
and tapping it, exiling Eternal Witness until the beginning of your end step. - At the beginning of your end step, Roon triggers, returning Eternal Witness from exile to the battlefield.
- Eternal Witness enters the battlefield, putting Temporal Manipulation into your hand from your graveyard.
- Repeat each turn.
Results
Infinite turns.
Roon of the Hidden Realm
1.70% of 3233 decks
55 decks
Atraxa, Grand Unifier
0.04% of 14209 decks
6 decks
Chulane, Teller of Tales
0.03% of 7344 decks
2 decks
Kynaios and Tiro of Meletis
0.01% of 7795 decks
1 decks
Derevi, Empyrial Tactician
0.01% of 7409 decks
1 decks
Esika, God of the Tree
0.01% of 17767 decks
1 decks
High Synergy Cards
Yarok, the Desecrated
86% of 7 decks
+83% synergy
Dour Port-Mage
83% of 6 decks
+77% synergy
Soulherder
74% of 66 decks
+69% synergy
Ravenous Chupacabra
71% of 7 decks
+67% synergy
Coiling Oracle
73% of 66 decks
+65% synergy
Elesh Norn, Mother of Machines
68% of 44 decks
+63% synergy
Ephemerate
68% of 66 decks
+62% synergy
Mulldrifter
68% of 66 decks
+62% synergy
Peregrine Drake
65% of 66 decks
+62% synergy
Time Warp
64% of 66 decks
+61% synergy
Top Cards
Swords to Plowshares
64% of 66 decks
+1% synergy
Cyclonic Rift
62% of 66 decks
+34% synergy
Panharmonicon
61% of 66 decks
+57% synergy
Archaeomancer
59% of 66 decks
+55% synergy
Aether Channeler
58% of 55 decks
+56% synergy
Teleportation Circle
58% of 62 decks
+54% synergy
Baleful Strix
57% of 7 decks
+44% synergy
Birds of Paradise
56% of 66 decks
+29% synergy
Wood Elves
55% of 66 decks
+48% synergy
Thassa, Deep-Dwelling
54% of 65 decks
+51% synergy
Creatures
Emiel the Blessed
52% of 62 decks
+48% synergy
Deadeye Navigator
52% of 66 decks
+49% synergy
Venser, Shaper Savant
50% of 66 decks
+48% synergy
Noble Hierarch
50% of 66 decks
+34% synergy
Wall of Blossoms
44% of 66 decks
+42% synergy
Farhaven Elf
42% of 66 decks
+39% synergy
Knight of Autumn
39% of 66 decks
+37% synergy
Cloudblazer
39% of 66 decks
+36% synergy
Wall of Omens
38% of 66 decks
+35% synergy
Brago, King Eternal
38% of 66 decks
+34% synergy
Seedborn Muse
38% of 66 decks
+30% synergy
Timeless Witness
37% of 62 decks
+34% synergy
Yorion, Sky Nomad
37% of 65 decks
+35% synergy
Karmic Guide
35% of 66 decks
+30% synergy
Preston, the Vanisher
35% of 46 decks
+34% synergy
Dreamdew Entrancer
33% of 9 decks
+30% synergy
Pond Prophet
33% of 9 decks
+30% synergy
Acidic Slime
33% of 66 decks
+29% synergy
Phelia, Exuberant Shepherd
31% of 13 decks
+28% synergy
Solitude
31% of 62 decks
+29% synergy
Eldrazi Displacer
30% of 66 decks
+29% synergy
Felidar Guardian
30% of 66 decks
+28% synergy
Bloom Tender
30% of 66 decks
+22% synergy
Reclamation Sage
30% of 66 decks
+19% synergy
Reflector Mage
29% of 66 decks
+27% synergy
Agent of Treachery
29% of 66 decks
+27% synergy
Recruiter of the Guard
29% of 66 decks
+26% synergy
Skyclave Apparition
27% of 62 decks
+24% synergy
Spirited Companion
27% of 62 decks
+23% synergy
Elvish Visionary
27% of 66 decks
+25% synergy
Gilded Drake
27% of 66 decks
+25% synergy
Risen Reef
27% of 66 decks
+24% synergy
Loran of the Third Path
25% of 48 decks
+18% synergy
Mystic Snake
24% of 66 decks
+23% synergy
Charming Prince
24% of 66 decks
+22% synergy
Esper Sentinel
24% of 62 decks
+3% synergy
Displacer Kitten
23% of 60 decks
+18% synergy
Restoration Angel
23% of 66 decks
+20% synergy
Reveillark
21% of 66 decks
+19% synergy
Spellseeker
21% of 66 decks
+18% synergy
Avenger of Zendikar
21% of 66 decks
+12% synergy
Sun Titan
21% of 66 decks
+11% synergy
Avacyn's Pilgrim
21% of 66 decks
+6% synergy
Llanowar Elves
21% of 66 decks
+0% synergy
Grand Abolisher
20% of 66 decks
+11% synergy
Flickerwisp
18% of 66 decks
+16% synergy
Topiary Stomper
18% of 61 decks
+14% synergy
Palinchron
17% of 66 decks
+16% synergy
Stonehorn Dignitary
17% of 66 decks
+16% synergy
Thragtusk
17% of 66 decks
+16% synergy
Instants
Eerie Interlude
50% of 66 decks
+46% synergy
Eladamri's Call
50% of 66 decks
+39% synergy
Worldly Tutor
47% of 66 decks
+33% synergy
Tainted Pact
43% of 7 decks
+39% synergy
Malakir Rebirth
43% of 7 decks
+35% synergy
Assassin's Trophy
43% of 7 decks
+13% synergy
Ghostly Flicker
41% of 66 decks
+36% synergy
Mystical Tutor
36% of 66 decks
+21% synergy
Mana Drain
36% of 66 decks
+21% synergy
Enlightened Tutor
36% of 66 decks
+19% synergy
Counterspell
33% of 66 decks
-10% synergy
Path to Exile
33% of 66 decks
-12% synergy
Swan Song
30% of 66 decks
+14% synergy
Dovin's Veto
30% of 66 decks
+11% synergy
Beast Within
29% of 66 decks
-10% synergy
Cloudshift
26% of 66 decks
+23% synergy
Chord of Calling
23% of 66 decks
+17% synergy
Fierce Guardianship
22% of 65 decks
+4% synergy
Teferi's Protection
21% of 66 decks
+1% synergy
Momentary Blink
20% of 66 decks
+17% synergy
Force of Will
20% of 66 decks
+9% synergy
Heroic Intervention
20% of 66 decks
-10% synergy
Lae'zel's Acrobatics
18% of 60 decks
+17% synergy
Force of Negation
18% of 66 decks
+9% synergy
Nature's Claim
18% of 66 decks
+9% synergy
Brainstorm
18% of 66 decks
-3% synergy
Ghostway
17% of 66 decks
+16% synergy
Displace
15% of 66 decks
+14% synergy
Everybody Lives!
14% of 22 decks
+11% synergy
Veil of Summer
14% of 66 decks
+7% synergy
Growth Spiral
12% of 66 decks
-10% synergy
Essence Flux
11% of 66 decks
+8% synergy
Generous Gift
11% of 66 decks
-15% synergy
Semester's End
10% of 62 decks
+8% synergy
Pact of Negation
9% of 66 decks
+2% synergy
Crop Rotation
9% of 66 decks
-1% synergy
An Offer You Can't Refuse
8% of 61 decks
-12% synergy
Arcane Denial
8% of 66 decks
-12% synergy
Negate
8% of 66 decks
-15% synergy
Illusionist's Stratagem
6% of 66 decks
+5% synergy
Tale's End
6% of 66 decks
+5% synergy
Nexus of Fate
6% of 66 decks
+4% synergy
Disallow
6% of 66 decks
+4% synergy
Delay
6% of 66 decks
+3% synergy
Sphinx's Revelation
6% of 66 decks
+3% synergy
Force of Vigor
6% of 66 decks
+3% synergy
Flusterstorm
6% of 66 decks
-1% synergy
Sorceries
Nature's Lore
44% of 66 decks
+12% synergy
Toxic Deluge
43% of 7 decks
+26% synergy
Farseek
38% of 66 decks
+4% synergy
Three Visits
30% of 66 decks
+6% synergy
Cultivate
29% of 66 decks
-18% synergy
Rampant Growth
27% of 66 decks
-7% synergy
Supreme Verdict
24% of 66 decks
+10% synergy
Green Sun's Zenith
23% of 66 decks
+16% synergy
Finale of Devastation
21% of 66 decks
+13% synergy
Kodama's Reach
18% of 66 decks
-14% synergy
Capture of Jingzhou
17% of 66 decks
+16% synergy
Eldritch Evolution
17% of 66 decks
+12% synergy
Bala Ged Recovery
16% of 62 decks
+7% synergy
Neoform
15% of 66 decks
+10% synergy
Solve the Equation
13% of 62 decks
+8% synergy
Walk the Aeons
12% of 66 decks
+11% synergy
Skyshroud Claim
12% of 66 decks
+3% synergy
Farewell
10% of 62 decks
-4% synergy
Approach of the Second Sun
9% of 66 decks
+5% synergy
Tooth and Nail
8% of 66 decks
+6% synergy
Wrath of God
8% of 66 decks
+1% synergy
Time Wipe
8% of 66 decks
+1% synergy
Austere Command
8% of 66 decks
-5% synergy
Ponder
8% of 66 decks
-5% synergy
Ondu Inversion
6% of 62 decks
+4% synergy
Turntimber Symbiosis
6% of 62 decks
+4% synergy
Winds of Abandon
6% of 66 decks
+4% synergy
Utility Artifacts
Conjurer's Closet
42% of 66 decks
+40% synergy
The One Ring
25% of 32 decks
+16% synergy
Sword of Hearth and Home
16% of 62 decks
+14% synergy
The Great Henge
15% of 66 decks
+5% synergy
Lightning Greaves
14% of 66 decks
-12% synergy
Birthing Pod
11% of 66 decks
+8% synergy
Sensei's Divining Top
11% of 66 decks
+5% synergy
Swiftfoot Boots
9% of 66 decks
-19% synergy
Altar of the Brood
8% of 66 decks
+6% synergy
Vedalken Orrery
8% of 66 decks
+6% synergy
Thousand-Year Elixir
8% of 66 decks
+5% synergy
Strionic Resonator
8% of 66 decks
+4% synergy
Sundial of the Infinite
6% of 66 decks
+5% synergy
Golden Argosy
5% of 55 decks
+5% synergy
Enchantments
Rhystic Study
39% of 66 decks
+12% synergy
Aura Shards
32% of 66 decks
+23% synergy
Smothering Tithe
32% of 66 decks
+7% synergy
Sylvan Library
27% of 66 decks
+15% synergy
Virtue of Knowledge
27% of 26 decks
+24% synergy
Mystic Remora
26% of 66 decks
+8% synergy
Guardian Project
21% of 66 decks
+13% synergy
Mirari's Wake
17% of 66 decks
+3% synergy
Carpet of Flowers
12% of 66 decks
+8% synergy
Wild Growth
12% of 66 decks
+1% synergy
Leyline of Anticipation
11% of 66 decks
+6% synergy
Utopia Sprawl
11% of 66 decks
+3% synergy
Survival of the Fittest
8% of 66 decks
+6% synergy
Training Grounds
8% of 66 decks
+5% synergy
Touch the Spirit Realm
6% of 62 decks
+4% synergy
Wilderness Reclamation
6% of 66 decks
+2% synergy
Land Tax
6% of 66 decks
-1% synergy
Propaganda
6% of 66 decks
-5% synergy
Planeswalkers
Aminatou, the Fateshifter
43% of 7 decks
+40% synergy
The Eternal Wanderer
26% of 35 decks
+22% synergy
Venser, the Sojourner
20% of 66 decks
+18% synergy
Teferi, Time Raveler
15% of 66 decks
+9% synergy
Oko, Thief of Crowns
9% of 66 decks
+3% synergy
Utility Lands
Reliquary Tower
42% of 66 decks
+13% synergy
Ancient Tomb
27% of 66 decks
+17% synergy
Boseiju, Who Endures
26% of 62 decks
+6% synergy
Alchemist's Refuge
26% of 66 decks
+19% synergy
Minamo, School at Water's Edge
23% of 66 decks
+19% synergy
Yavimaya, Cradle of Growth
23% of 62 decks
+13% synergy
Otawara, Soaring City
18% of 62 decks
+1% synergy
Gaea's Cradle
17% of 66 decks
+11% synergy
Strip Mine
11% of 66 decks
+8% synergy
Mystic Sanctuary
11% of 66 decks
-2% synergy
Urza's Saga
10% of 62 decks
+2% synergy
Eiganjo, Seat of the Empire
10% of 62 decks
+1% synergy
Wasteland
8% of 66 decks
+6% synergy
Field of the Dead
8% of 66 decks
+4% synergy
Dryad Arbor
8% of 66 decks
+3% synergy
Temple of the False God
8% of 66 decks
-2% synergy
Mana Artifacts
Sol Ring
97% of 66 decks
+12% synergy
Arcane Signet
73% of 66 decks
+1% synergy
Mana Crypt
26% of 66 decks
+17% synergy
Selesnya Signet
21% of 66 decks
+12% synergy
Simic Signet
21% of 66 decks
+7% synergy
Talisman of Curiosity
18% of 66 decks
+6% synergy
Azorius Signet
18% of 66 decks
-8% synergy
Chromatic Lantern
15% of 66 decks
+6% synergy
Talisman of Unity
14% of 66 decks
+6% synergy
Talisman of Progress
14% of 66 decks
-9% synergy
Mana Vault
12% of 66 decks
+6% synergy
Jeweled Lotus
11% of 62 decks
+5% synergy
Chrome Mox
11% of 66 decks
+4% synergy
Thought Vessel
11% of 66 decks
-6% synergy
Commander's Sphere
9% of 66 decks
-6% synergy
Patriar's Seal
8% of 60 decks
+6% synergy
Fellwar Stone
8% of 66 decks
-13% synergy
Mox Diamond
6% of 66 decks
+2% synergy
Lands
Command Tower
94% of 66 decks
+20% synergy
Overgrown Tomb
86% of 7 decks
+43% synergy
Temple Garden
80% of 66 decks
+40% synergy
Hallowed Fountain
79% of 66 decks
+38% synergy
Breeding Pool
76% of 66 decks
+35% synergy
Flooded Strand
70% of 66 decks
+59% synergy
Windswept Heath
65% of 66 decks
+55% synergy
Misty Rainforest
59% of 66 decks
+47% synergy
Zagoth Triome
57% of 7 decks
+26% synergy
Indatha Triome
57% of 7 decks
+26% synergy
Godless Shrine
57% of 7 decks
+16% synergy
Watery Grave
57% of 7 decks
+16% synergy
Spara's Headquarters
51% of 61 decks
+19% synergy
Bountiful Promenade
44% of 66 decks
+20% synergy
Rejuvenating Springs
44% of 62 decks
+15% synergy
Raffine's Tower
43% of 7 decks
+15% synergy
Glacial Fortress
39% of 66 decks
+14% synergy
Exotic Orchard
38% of 66 decks
+2% synergy
Prairie Stream
36% of 66 decks
+3% synergy
Sunpetal Grove
35% of 66 decks
+11% synergy
Sea of Clouds
35% of 66 decks
+9% synergy
Canopy Vista
35% of 66 decks
-1% synergy
Seaside Citadel
32% of 66 decks
+6% synergy
Yavimaya Coast
32% of 66 decks
+5% synergy
Hinterland Harbor
32% of 66 decks
+5% synergy
Meticulous Archive
29% of 17 decks
+19% synergy
Hedge Maze
29% of 17 decks
+15% synergy
Marsh Flats
29% of 66 decks
+17% synergy
Verdant Catacombs
27% of 66 decks
+16% synergy
Brushland
27% of 66 decks
+11% synergy
Arid Mesa
26% of 66 decks
+15% synergy
Scalding Tarn
26% of 66 decks
+15% synergy
Adarkar Wastes
26% of 66 decks
+9% synergy
Lush Portico
24% of 17 decks
+11% synergy
City of Brass
23% of 66 decks
+15% synergy
Polluted Delta
23% of 66 decks
+11% synergy
Savannah
23% of 66 decks
+10% synergy
Wooded Foothills
21% of 66 decks
+11% synergy
Tropical Island
21% of 66 decks
+7% synergy
Mana Confluence
20% of 66 decks
+12% synergy
Flooded Grove
20% of 66 decks
+8% synergy
Tundra
20% of 66 decks
+6% synergy
Overgrown Farmland
19% of 62 decks
+3% synergy
Waterlogged Grove
18% of 66 decks
+11% synergy
Dreamroot Cascade
18% of 62 decks
-1% synergy
Wooded Bastion
15% of 66 decks
+11% synergy
Reflecting Pool
15% of 66 decks
+10% synergy
Mystic Gate
15% of 66 decks
+9% synergy
Selesnya Sanctuary
15% of 66 decks
+1% synergy
Azorius Chancery
15% of 66 decks
+0% synergy