Roon of the Hidden Realm + Eternal Witness + Time Warp
Roon of the Hidden Realm
Eternal Witness
Time Warp
Requires
Roon of the Hidden Realm must be on the battlefield.
Eternal Witness must be on the battlefield.
Time Warp must be in hand.
Roon does not have summoning sickness.
Mana needed: 
each turn
each turn
Steps
- Cast Time Warp 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 Time Warp into your hand from your graveyard.
- Repeat each turn.
Results
Infinite turns.
Roon of the Hidden Realm
6.68% of 3161 decks
211 decks
Atraxa, Grand Unifier
0.07% of 14880 decks
10 decks
Chulane, Teller of Tales
0.04% of 7392 decks
3 decks
Lagrella, the Magpie
0.06% of 1603 decks
1 decks
Amareth, the Lustrous
0.07% of 1372 decks
1 decks
Galadriel, Light of Valinor
0.01% of 8614 decks
1 decks
Esika, God of the Tree
0.01% of 18286 decks
1 decks
Ishai, Ojutai Dragonspeaker // Kodama of the East Tree
0.22% of 462 decks
1 decks
Mr. Foxglove
0.05% of 2161 decks
1 decks
Derevi, Empyrial Tactician
0.01% of 7675 decks
1 decks
New Cards
Hare Apparent
75% of 4 decks
+57% synergy
Kykar, Zephyr Awakener
67% of 6 decks
+55% synergy
High Synergy Cards
Soulherder
86% of 230 decks
+81% synergy
Coiling Oracle
84% of 231 decks
+76% synergy
Panharmonicon
80% of 231 decks
+76% synergy
Dour Port-Mage
81% of 31 decks
+75% synergy
Peregrine Drake
73% of 231 decks
+70% synergy
Yarok, the Desecrated
73% of 11 decks
+70% synergy
Mulldrifter
75% of 231 decks
+70% synergy
Ephemerate
75% of 230 decks
+69% synergy
Elesh Norn, Mother of Machines
71% of 170 decks
+66% synergy
Deadeye Navigator
65% of 231 decks
+62% synergy
Top Cards
Baleful Strix
73% of 11 decks
+60% synergy
Eerie Interlude
65% of 231 decks
+61% synergy
Wood Elves
65% of 231 decks
+59% synergy
Teleportation Circle
65% of 217 decks
+61% synergy
Thassa, Deep-Dwelling
63% of 227 decks
+60% synergy
Aether Channeler
63% of 194 decks
+61% synergy
Swords to Plowshares
62% of 231 decks
-0% synergy
Brago, King Eternal
60% of 231 decks
+57% synergy
Archaeomancer
58% of 231 decks
+54% synergy
Agent of Treachery
57% of 230 decks
+55% synergy
Creatures
Venser, Shaper Savant
56% of 231 decks
+54% synergy
Cloudblazer
54% of 231 decks
+51% synergy
Emiel the Blessed
52% of 222 decks
+49% synergy
Acidic Slime
49% of 231 decks
+45% synergy
Wall of Blossoms
49% of 231 decks
+47% synergy
Farhaven Elf
49% of 231 decks
+45% synergy
Knight of Autumn
47% of 230 decks
+45% synergy
Reflector Mage
47% of 231 decks
+45% synergy
Noxious Gearhulk
45% of 11 decks
+42% synergy
Yorion, Sky Nomad
45% of 226 decks
+42% synergy
Seedborn Muse
45% of 231 decks
+36% synergy
Sun Titan
43% of 231 decks
+33% synergy
Reclamation Sage
43% of 231 decks
+32% synergy
Restoration Angel
41% of 231 decks
+39% synergy
Wall of Omens
41% of 231 decks
+38% synergy
Clifftop Lookout
39% of 33 decks
+36% synergy
Solemn Simulacrum
39% of 231 decks
+25% synergy
Karmic Guide
39% of 231 decks
+34% synergy
Charming Prince
38% of 230 decks
+36% synergy
Shriekmaw
36% of 11 decks
+34% synergy
Eldrazi Displacer
35% of 231 decks
+34% synergy
Avenger of Zendikar
35% of 231 decks
+26% synergy
Preston, the Vanisher
35% of 179 decks
+33% synergy
Thragtusk
34% of 231 decks
+34% synergy
Birds of Paradise
34% of 231 decks
+7% synergy
Flickerwisp
32% of 231 decks
+30% synergy
Felidar Guardian
31% of 230 decks
+28% synergy
Stonehorn Dignitary
30% of 231 decks
+30% synergy
Timeless Witness
30% of 219 decks
+27% synergy
Noble Hierarch
29% of 231 decks
+13% synergy
Recruiter of the Guard
28% of 231 decks
+25% synergy
Displacer Kitten
27% of 211 decks
+22% synergy
Risen Reef
27% of 230 decks
+24% synergy
Necron Deathmark
27% of 11 decks
+26% synergy
Elvish Visionary
27% of 231 decks
+25% synergy
Ravenous Chupacabra
27% of 11 decks
+23% synergy
Mystic Snake
26% of 231 decks
+24% synergy
Skyclave Apparition
25% of 221 decks
+22% synergy
Witch Enchanter
25% of 56 decks
+16% synergy
Reveillark
24% of 231 decks
+22% synergy
Solitude
24% of 219 decks
+22% synergy
Beza, the Bounding Spring
24% of 38 decks
+22% synergy
Spirited Companion
24% of 216 decks
+19% synergy
Loran of the Third Path
23% of 181 decks
+16% synergy
Galadriel, Light of Valinor
22% of 86 decks
+19% synergy
Kiora's Follower
20% of 231 decks
+15% synergy
Nadu, Winged Wisdom
18% of 49 decks
+16% synergy
Perplexing Chimera
18% of 231 decks
+17% synergy
Prime Speaker Zegana
18% of 231 decks
+15% synergy
Glen Elendra Archmage
18% of 231 decks
+15% synergy
Instants
Tainted Pact
55% of 11 decks
+51% synergy
Cyclonic Rift
51% of 231 decks
+23% synergy
Ghostly Flicker
48% of 231 decks
+44% synergy
Demonic Consultation
45% of 11 decks
+42% synergy
Malakir Rebirth
45% of 11 decks
+37% synergy
Assassin's Trophy
45% of 11 decks
+15% synergy
Eladamri's Call
45% of 231 decks
+34% synergy
Path to Exile
44% of 231 decks
-2% synergy
Counterspell
42% of 231 decks
-0% synergy
Worldly Tutor
34% of 231 decks
+20% synergy
Beast Within
31% of 231 decks
-8% synergy
Momentary Blink
30% of 231 decks
+27% synergy
Lae'zel's Acrobatics
30% of 211 decks
+28% synergy
Mystical Tutor
28% of 231 decks
+13% synergy
Dovin's Veto
27% of 230 decks
+8% synergy
Enlightened Tutor
26% of 231 decks
+9% synergy
Mana Drain
26% of 231 decks
+10% synergy
Teferi's Protection
23% of 230 decks
+4% synergy
Cloudshift
23% of 231 decks
+19% synergy
Fierce Guardianship
21% of 226 decks
+3% synergy
Heroic Intervention
20% of 230 decks
-10% synergy
Generous Gift
18% of 230 decks
-8% synergy
Swan Song
17% of 231 decks
+1% synergy
Arcane Denial
17% of 231 decks
-2% synergy
Ghostway
17% of 231 decks
+16% synergy
Chord of Calling
16% of 231 decks
+11% synergy
Semester's End
15% of 219 decks
+13% synergy
Disallow
13% of 230 decks
+11% synergy
Displace
12% of 231 decks
+11% synergy
Brainstorm
12% of 231 decks
-9% synergy
Growth Spiral
10% of 230 decks
-12% synergy
Essence Flux
9% of 231 decks
+7% synergy
An Offer You Can't Refuse
9% of 216 decks
-12% synergy
Force of Will
9% of 231 decks
-2% synergy
Parting Gust
9% of 35 decks
+5% synergy
Nature's Claim
8% of 231 decks
-1% synergy
Strix Serenade
8% of 50 decks
+2% synergy
Sink into Stupor
8% of 50 decks
-5% synergy
Force of Negation
8% of 230 decks
-1% synergy
Negate
7% of 231 decks
-15% synergy
Stifle
7% of 231 decks
+6% synergy
Stroke of Midnight
7% of 103 decks
-6% synergy
Cosmic Intervention
6% of 220 decks
+5% synergy
Archdruid's Charm
6% of 66 decks
-1% synergy
Tale's End
6% of 230 decks
+5% synergy
Pact of Negation
6% of 231 decks
-2% synergy
Illusionist's Stratagem
5% of 230 decks
+5% synergy
Bant Charm
5% of 231 decks
+1% synergy
Sorceries
Farseek
42% of 231 decks
+8% synergy
Cultivate
39% of 231 decks
-7% synergy
Toxic Deluge
36% of 11 decks
+19% synergy
Supreme Verdict
30% of 231 decks
+16% synergy
Nature's Lore
29% of 231 decks
-3% synergy
Another Round
29% of 62 decks
+27% synergy
Three Visits
27% of 231 decks
+2% synergy
Kodama's Reach
26% of 231 decks
-5% synergy
Rampant Growth
26% of 231 decks
-8% synergy
Farewell
24% of 216 decks
+10% synergy
Temporal Manipulation
20% of 231 decks
+19% synergy
Bala Ged Recovery
18% of 221 decks
+9% synergy
Green Sun's Zenith
17% of 231 decks
+11% synergy
Time Wipe
17% of 230 decks
+10% synergy
Austere Command
12% of 231 decks
-1% synergy
Neoform
10% of 230 decks
+5% synergy
Finale of Devastation
10% of 230 decks
+2% synergy
Wrath of God
10% of 231 decks
+4% synergy
Skyshroud Claim
9% of 231 decks
-0% synergy
Capture of Jingzhou
9% of 231 decks
+8% synergy
Wargate
9% of 231 decks
+6% synergy
Eldritch Evolution
9% of 231 decks
+4% synergy
Approach of the Second Sun
8% of 230 decks
+4% synergy
Walk the Aeons
7% of 231 decks
+7% synergy
Tooth and Nail
6% of 231 decks
+5% synergy
Ponder
6% of 231 decks
-7% synergy
Rite of Replication
6% of 231 decks
+2% synergy
Solve the Equation
5% of 219 decks
+1% synergy
Sea Gate Restoration
5% of 221 decks
+1% synergy
Utility Artifacts
Conjurer's Closet
45% of 231 decks
+43% synergy
Sword of Hearth and Home
32% of 219 decks
+30% synergy
Swiftfoot Boots
25% of 231 decks
-3% synergy
Lightning Greaves
24% of 231 decks
-2% synergy
Strionic Resonator
19% of 231 decks
+16% synergy
The Great Henge
17% of 230 decks
+7% synergy
Birthing Pod
11% of 231 decks
+8% synergy
The One Ring
11% of 130 decks
+2% synergy
Thousand-Year Elixir
9% of 231 decks
+7% synergy
Sundial of the Infinite
8% of 231 decks
+8% synergy
Altar of the Brood
8% of 231 decks
+7% synergy
Vedalken Orrery
6% of 231 decks
+5% synergy
Sensei's Divining Top
6% of 231 decks
+0% synergy
Sting, the Glinting Dagger
5% of 114 decks
+4% synergy
Enchantments
Guardian Project
44% of 230 decks
+35% synergy
Aura Shards
38% of 231 decks
+29% synergy
Rhystic Study
37% of 231 decks
+10% synergy
Virtue of Knowledge
37% of 103 decks
+34% synergy
Phyrexian Arena
27% of 11 decks
+12% synergy
Smothering Tithe
27% of 230 decks
+2% synergy
Mirari's Wake
22% of 231 decks
+8% synergy
Sylvan Library
20% of 231 decks
+9% synergy
Mystic Remora
14% of 231 decks
-4% synergy
Aid from the Cowl
12% of 230 decks
+12% synergy
Leyline of Anticipation
9% of 231 decks
+5% synergy
Wilderness Reclamation
7% of 230 decks
+4% synergy
Defense of the Heart
7% of 231 decks
+5% synergy
Cathars' Crusade
6% of 231 decks
+0% synergy
Planeswalkers
The Eternal Wanderer
33% of 144 decks
+29% synergy
Aminatou, the Fateshifter
27% of 11 decks
+24% synergy
Venser, the Sojourner
23% of 231 decks
+22% synergy
Teferi, Time Raveler
7% of 230 decks
+1% synergy
Utility Lands
Reliquary Tower
46% of 231 decks
+17% synergy
Takenuma, Abandoned Mire
27% of 11 decks
+17% synergy
Alchemist's Refuge
26% of 231 decks
+20% synergy
Minamo, School at Water's Edge
26% of 231 decks
+21% synergy
Boseiju, Who Endures
22% of 216 decks
+2% synergy
Yavimaya, Cradle of Growth
20% of 219 decks
+11% synergy
Temple of the False God
17% of 231 decks
+7% synergy
Ancient Tomb
17% of 231 decks
+6% synergy
Otawara, Soaring City
15% of 216 decks
-2% synergy
Mystic Sanctuary
12% of 230 decks
-0% synergy
Eiganjo, Seat of the Empire
8% of 216 decks
-1% synergy
Strip Mine
7% of 231 decks
+5% synergy
Gaea's Cradle
6% of 231 decks
+1% synergy
Mana Artifacts
Sol Ring
94% of 231 decks
+10% synergy
Arcane Signet
67% of 230 decks
-5% synergy
Simic Signet
20% of 231 decks
+6% synergy
Selesnya Signet
16% of 231 decks
+7% synergy
Azorius Signet
15% of 231 decks
-11% synergy
Chromatic Lantern
14% of 231 decks
+5% synergy
Mana Crypt
12% of 231 decks
+4% synergy
Thought Vessel
12% of 231 decks
-5% synergy
Fellwar Stone
10% of 231 decks
-11% synergy
Talisman of Curiosity
10% of 230 decks
-3% synergy
Decanter of Endless Water
9% of 211 decks
+4% synergy
Talisman of Unity
8% of 231 decks
+1% synergy
Talisman of Progress
8% of 231 decks
-15% synergy
Commander's Sphere
7% of 231 decks
-8% synergy
Patriar's Seal
6% of 211 decks
+4% synergy
Mana Vault
6% of 231 decks
-0% synergy
Lands
Command Tower
94% of 231 decks
+20% synergy
Overgrown Tomb
82% of 11 decks
+39% synergy
Watery Grave
73% of 11 decks
+32% synergy
Temple Garden
70% of 231 decks
+29% synergy
Hallowed Fountain
70% of 231 decks
+29% synergy
Breeding Pool
67% of 231 decks
+26% synergy
Godless Shrine
64% of 11 decks
+23% synergy
Spara's Headquarters
61% of 216 decks
+29% synergy
Zagoth Triome
55% of 11 decks
+24% synergy
Windswept Heath
49% of 231 decks
+39% synergy
Flooded Strand
48% of 231 decks
+38% synergy
Misty Rainforest
47% of 231 decks
+35% synergy
Indatha Triome
45% of 11 decks
+15% synergy
Rejuvenating Springs
45% of 221 decks
+16% synergy
Glacial Fortress
44% of 231 decks
+18% synergy
Bountiful Promenade
42% of 230 decks
+18% synergy
Hinterland Harbor
42% of 231 decks
+14% synergy
Canopy Vista
42% of 231 decks
+5% synergy
Sunpetal Grove
41% of 231 decks
+18% synergy
Sea of Clouds
40% of 230 decks
+14% synergy
Exotic Orchard
39% of 231 decks
+3% synergy
Seaside Citadel
38% of 231 decks
+12% synergy
Prairie Stream
38% of 231 decks
+5% synergy
Raffine's Tower
36% of 11 decks
+9% synergy
Yavimaya Coast
36% of 231 decks
+9% synergy
Brushland
28% of 231 decks
+12% synergy
Undergrowth Stadium
27% of 11 decks
+1% synergy
Caves of Koilos
27% of 11 decks
-1% synergy
Adarkar Wastes
26% of 231 decks
+8% synergy
Dreamroot Cascade
23% of 217 decks
+4% synergy
Overgrown Farmland
23% of 217 decks
+6% synergy
Tranquil Landscape
22% of 45 decks
+6% synergy
Flooded Grove
22% of 231 decks
+9% synergy
Evolving Wilds
21% of 231 decks
-0% synergy
Selesnya Sanctuary
20% of 231 decks
+6% synergy
Azorius Chancery
20% of 231 decks
+5% synergy
Simic Growth Chamber
20% of 231 decks
+0% synergy
Meticulous Archive
19% of 72 decks
+9% synergy
Hedge Maze
19% of 72 decks
+6% synergy
Lush Portico
18% of 72 decks
+6% synergy
Savannah
17% of 231 decks
+4% synergy
Deserted Beach
17% of 217 decks
+1% synergy
Temple of Mystery
17% of 231 decks
-1% synergy
Tropical Island
16% of 231 decks
+2% synergy
Fabled Passage
16% of 230 decks
+7% synergy
Tundra
16% of 231 decks
+2% synergy
Hengegate Pathway
15% of 220 decks
+7% synergy
Polluted Delta
14% of 231 decks
+3% synergy
Mana Confluence
14% of 231 decks
+7% synergy
Verdant Catacombs
14% of 231 decks
+2% synergy