Roon of the Hidden Realm
Eternal Witness
Walk the Aeons

   Prerequisites

What do I need to start this combo?
Walk the Aeons in hand.
Roon of the Hidden Realm and Eternal Witness on the battlefield.
Roon does not have summoning sickness.
6 each turn available

   Steps

How does this combo work?
1
Cast Walk the Aeons by paying 4, causing you to take an extra turn after this one.
2
Activate Roon by paying 2 and tapping it, exiling Eternal Witness until the beginning of your end step.
3
At the beginning of your end step, Roon triggers, returning Eternal Witness from exile to the battlefield.
4
Eternal Witness enters the battlefield, putting Walk the Aeons into your hand from your graveyard.
5
Repeat each turn.

   Results

What do I get from this combo?
Infinite turns
Lock
Roon of the Hidden Realm
0.8%inclusion26 decks3.28K decks
Mr. Foxglove
0.0%inclusion1 decks5.64K decks
Lagrella, the Magpie
0.1%inclusion1 decks1.88K decks
Phelddagrif
0.0%inclusion1 decks3.28K decks
High Synergy Cards
Soulherder
90%inclusion26 decks29 decks
86%synergy
Archaeomancer
72%inclusion21 decks29 decks
71%synergy
Coiling Oracle
69%inclusion20 decks29 decks
62%synergy
Panharmonicon
66%inclusion19 decks29 decks
58%synergy
Mulldrifter
66%inclusion19 decks29 decks
58%synergy
Ephemerate
62%inclusion18 decks29 decks
56%synergy
Wood Elves
59%inclusion17 decks29 decks
53%synergy
Time Warp
52%inclusion15 decks29 decks
51%synergy
Peregrine Drake
55%inclusion16 decks29 decks
51%synergy
Ghostly Flicker
52%inclusion15 decks29 decks
49%synergy
Top Cards
Swords to Plowshares
62%inclusion18 decks29 decks
0%synergy
Farhaven Elf
52%inclusion15 decks29 decks
48%synergy
Brago, King Eternal
48%inclusion14 decks29 decks
46%synergy
Emiel the Blessed
45%inclusion13 decks29 decks
39%synergy
Eerie Interlude
45%inclusion13 decks29 decks
39%synergy
Cloudblazer
41%inclusion12 decks29 decks
40%synergy
Momentary Blink
41%inclusion12 decks29 decks
39%synergy
Acidic Slime
41%inclusion12 decks29 decks
39%synergy
Aether Channeler
41%inclusion12 decks29 decks
39%synergy
Path to Exile
41%inclusion12 decks29 decks
-7%synergy
Game Changers
Cyclonic Rift
17%inclusion5 decks29 decks
-1%synergy
Mystical Tutor
14%inclusion4 decks29 decks
8%synergy
Aura Shards
10%inclusion3 decks29 decks
4%synergy
Worldly Tutor
10%inclusion3 decks29 decks
0%synergy
Fierce Guardianship
10%inclusion3 decks29 decks
-4%synergy
Smothering Tithe
10%inclusion3 decks29 decks
-6%synergy
Farewell
10%inclusion3 decks29 decks
-7%synergy
Rhystic Study
10%inclusion3 decks29 decks
-10%synergy
Creatures
Dour Port-Mage
41%inclusion9 decks22 decks
38%synergy
Timeless Witness
38%inclusion11 decks29 decks
36%synergy
Deadeye Navigator
38%inclusion11 decks29 decks
35%synergy
Wall of Omens
38%inclusion11 decks29 decks
30%synergy
Restoration Angel
34%inclusion10 decks29 decks
31%synergy
Reclamation Sage
34%inclusion10 decks29 decks
28%synergy
Solemn Simulacrum
34%inclusion10 decks29 decks
27%synergy
Starfield Vocalist
33%inclusion3 decks9 decks
28%synergy
Sun Titan
31%inclusion9 decks29 decks
26%synergy
Wall of Blossoms
31%inclusion9 decks29 decks
23%synergy
Prime Speaker Zegana
28%inclusion8 decks29 decks
25%synergy
Venser, Shaper Savant
28%inclusion8 decks29 decks
24%synergy
Noble Hierarch
28%inclusion8 decks29 decks
2%synergy
Birds of Paradise
28%inclusion8 decks29 decks
-7%synergy
Lavinia of the Tenth
24%inclusion7 decks29 decks
24%synergy
Mistmeadow Witch
24%inclusion7 decks29 decks
24%synergy
Stonehorn Dignitary
24%inclusion7 decks29 decks
23%synergy
Eldrazi Displacer
24%inclusion7 decks29 decks
23%synergy
Thragtusk
24%inclusion7 decks29 decks
23%synergy
Agent of Treachery
24%inclusion7 decks29 decks
23%synergy
Terastodon
24%inclusion7 decks29 decks
23%synergy
Thassa, Deep-Dwelling
24%inclusion7 decks29 decks
22%synergy
Knight of Autumn
24%inclusion7 decks29 decks
22%synergy
Felidar Guardian
24%inclusion7 decks29 decks
21%synergy
Spirited Companion
24%inclusion7 decks29 decks
21%synergy
Avacyn's Pilgrim
24%inclusion7 decks29 decks
10%synergy
Reflector Mage
21%inclusion6 decks29 decks
19%synergy
Yorion, Sky Nomad
21%inclusion6 decks29 decks
19%synergy
Karmic Guide
21%inclusion6 decks29 decks
19%synergy
Elvish Visionary
21%inclusion6 decks29 decks
18%synergy
Mnemonic Wall
21%inclusion6 decks29 decks
18%synergy
Mystic Snake
21%inclusion6 decks29 decks
18%synergy
Elvish Mystic
21%inclusion6 decks29 decks
9%synergy
Witch Enchanter
19%inclusion5 decks27 decks
12%synergy
Clifftop Lookout
18%inclusion4 decks22 decks
16%synergy
Phyrexian Ingester
17%inclusion5 decks29 decks
17%synergy
Abdel Adrian, Gorion's Ward
17%inclusion5 decks29 decks
17%synergy
Flickerwisp
17%inclusion5 decks29 decks
16%synergy
Meteor Golem
17%inclusion5 decks29 decks
16%synergy
Skyclave Apparition
17%inclusion5 decks29 decks
15%synergy
Displacer Kitten
17%inclusion5 decks29 decks
14%synergy
Elesh Norn, Mother of Machines
17%inclusion5 decks29 decks
14%synergy
Llanowar Elves
17%inclusion5 decks29 decks
3%synergy
Perplexing Chimera
14%inclusion4 decks29 decks
13%synergy
Llanowar Visionary
14%inclusion4 decks29 decks
13%synergy
Reveillark
14%inclusion4 decks29 decks
13%synergy
Topiary Stomper
14%inclusion4 decks29 decks
13%synergy
Charming Prince
14%inclusion4 decks29 decks
12%synergy
Recruiter of the Guard
14%inclusion4 decks29 decks
12%synergy
Kodama of the East Tree
14%inclusion4 decks29 decks
11%synergy
Instants
Beast Within
38%inclusion11 decks29 decks
11%synergy
Cloudshift
34%inclusion10 decks29 decks
31%synergy
Eladamri's Call
31%inclusion9 decks29 decks
21%synergy
Negate
31%inclusion9 decks29 decks
17%synergy
Generous Gift
31%inclusion9 decks29 decks
6%synergy
Counterspell
28%inclusion8 decks29 decks
-10%synergy
An Offer You Can't Refuse
24%inclusion7 decks29 decks
-3%synergy
Ghostway
21%inclusion6 decks29 decks
19%synergy
Swan Song
21%inclusion6 decks29 decks
4%synergy
Dovin's Veto
21%inclusion6 decks29 decks
4%synergy
Displace
17%inclusion5 decks29 decks
16%synergy
Semester's End
17%inclusion5 decks29 decks
16%synergy
Lae'zel's Acrobatics
17%inclusion5 decks29 decks
16%synergy
Essence Flux
14%inclusion4 decks29 decks
12%synergy
Arcane Denial
14%inclusion4 decks29 decks
-3%synergy
Blue Sun's Zenith
10%inclusion3 decks29 decks
10%synergy
Flicker of Fate
10%inclusion3 decks29 decks
10%synergy
Mana Leak
10%inclusion3 decks29 decks
9%synergy
Return to Nature
10%inclusion3 decks29 decks
8%synergy
Nature's Claim
10%inclusion3 decks29 decks
5%synergy
Mana Drain
10%inclusion3 decks29 decks
1%synergy
Growth Spiral
10%inclusion3 decks29 decks
-3%synergy
Heroic Intervention
10%inclusion3 decks29 decks
-20%synergy
Sorceries
Kodama's Reach
34%inclusion10 decks29 decks
16%synergy
Rampant Growth
34%inclusion10 decks29 decks
9%synergy
Nature's Lore
34%inclusion10 decks29 decks
7%synergy
Cultivate
34%inclusion10 decks29 decks
-3%synergy
Temporal Manipulation
28%inclusion8 decks29 decks
27%synergy
Three Visits
28%inclusion8 decks29 decks
2%synergy
Time Stretch
24%inclusion7 decks29 decks
24%synergy
Capture of Jingzhou
24%inclusion7 decks29 decks
24%synergy
Time Wipe
24%inclusion7 decks29 decks
21%synergy
Farseek
24%inclusion7 decks29 decks
-20%synergy
Cleansing Nova
21%inclusion6 decks29 decks
19%synergy
Austere Command
21%inclusion6 decks29 decks
11%synergy
Another Round
14%inclusion4 decks29 decks
13%synergy
Ponder
14%inclusion4 decks29 decks
10%synergy
Wargate
14%inclusion4 decks29 decks
9%synergy
Bala Ged Recovery
14%inclusion4 decks29 decks
8%synergy
Supreme Verdict
14%inclusion4 decks29 decks
5%synergy
Depopulate
10%inclusion3 decks29 decks
10%synergy
Tooth and Nail
10%inclusion3 decks29 decks
10%synergy
Regrowth
10%inclusion3 decks29 decks
9%synergy
Rite of Replication
10%inclusion3 decks29 decks
9%synergy
Preordain
10%inclusion3 decks29 decks
8%synergy
Skyshroud Claim
10%inclusion3 decks29 decks
7%synergy
Approach of the Second Sun
10%inclusion3 decks29 decks
6%synergy
Finale of Devastation
10%inclusion3 decks29 decks
3%synergy
Utility Artifacts
Conjurer's Closet
34%inclusion10 decks29 decks
32%synergy
Swiftfoot Boots
31%inclusion9 decks29 decks
3%synergy
Strionic Resonator
21%inclusion6 decks29 decks
20%synergy
Lightning Greaves
14%inclusion4 decks29 decks
-5%synergy
Enchantments
Teleportation Circle
34%inclusion10 decks29 decks
32%synergy
Virtue of Knowledge
24%inclusion7 decks29 decks
22%synergy
Wild Growth
21%inclusion6 decks29 decks
10%synergy
Guardian Project
17%inclusion5 decks29 decks
10%synergy
Touch the Spirit Realm
14%inclusion4 decks29 decks
13%synergy
Utopia Sprawl
14%inclusion4 decks29 decks
6%synergy
Sylvan Library
10%inclusion3 decks29 decks
4%synergy
Ghostly Prison
10%inclusion3 decks29 decks
0%synergy
Mystic Remora
10%inclusion3 decks29 decks
-1%synergy
Propaganda
10%inclusion3 decks29 decks
-1%synergy
Planeswalkers
Venser, the Sojourner
14%inclusion4 decks29 decks
13%synergy
The Eternal Wanderer
10%inclusion3 decks29 decks
9%synergy
Kiora, Behemoth Beckoner
10%inclusion3 decks29 decks
6%synergy
Utility Lands
Alchemist's Refuge
31%inclusion9 decks29 decks
24%synergy
Reliquary Tower
31%inclusion9 decks29 decks
-12%synergy
Mystic Sanctuary
21%inclusion6 decks29 decks
19%synergy
Temple of the False God
14%inclusion4 decks29 decks
5%synergy
Halimar Depths
10%inclusion3 decks29 decks
9%synergy
Mana Artifacts
Sol Ring
86%inclusion25 decks29 decks
5%synergy
Arcane Signet
72%inclusion21 decks29 decks
1%synergy
Azorius Signet
41%inclusion12 decks29 decks
31%synergy
Simic Signet
41%inclusion12 decks29 decks
31%synergy
Selesnya Signet
34%inclusion10 decks29 decks
27%synergy
Talisman of Progress
28%inclusion8 decks29 decks
17%synergy
Talisman of Curiosity
24%inclusion7 decks29 decks
13%synergy
Fellwar Stone
21%inclusion6 decks29 decks
6%synergy
Talisman of Unity
17%inclusion5 decks29 decks
7%synergy
Thought Vessel
14%inclusion4 decks29 decks
-6%synergy
Mind Stone
10%inclusion3 decks29 decks
4%synergy
Chromatic Lantern
10%inclusion3 decks29 decks
4%synergy
Lands
Command Tower
90%inclusion26 decks29 decks
-1%synergy
Canopy Vista
59%inclusion17 decks29 decks
12%synergy
Prairie Stream
48%inclusion14 decks29 decks
3%synergy
Exotic Orchard
48%inclusion14 decks29 decks
-9%synergy
Hinterland Harbor
45%inclusion13 decks29 decks
-4%synergy
Seaside Citadel
45%inclusion13 decks29 decks
-7%synergy
Yavimaya Coast
38%inclusion11 decks29 decks
7%synergy
Breeding Pool
38%inclusion11 decks29 decks
-7%synergy
Sunpetal Grove
34%inclusion10 decks29 decks
-9%synergy
Hallowed Fountain
34%inclusion10 decks29 decks
-9%synergy
Temple Garden
34%inclusion10 decks29 decks
-9%synergy
Temple of Plenty
28%inclusion8 decks29 decks
7%synergy
Glacial Fortress
28%inclusion8 decks29 decks
-19%synergy
Azorius Chancery
24%inclusion7 decks29 decks
10%synergy
Simic Growth Chamber
24%inclusion7 decks29 decks
9%synergy
Sea of Clouds
24%inclusion7 decks29 decks
-6%synergy
Misty Rainforest
24%inclusion7 decks29 decks
-6%synergy
Flooded Strand
24%inclusion7 decks29 decks
-8%synergy
Windswept Heath
24%inclusion7 decks29 decks
-9%synergy
Rejuvenating Springs
24%inclusion7 decks29 decks
-10%synergy
Spara's Headquarters
24%inclusion7 decks29 decks
-16%synergy
Selesnya Sanctuary
21%inclusion6 decks29 decks
7%synergy
Terramorphic Expanse
21%inclusion6 decks29 decks
4%synergy
Temple of Enlightenment
21%inclusion6 decks29 decks
0%synergy
Temple of Mystery
21%inclusion6 decks29 decks
-1%synergy
Dreamroot Cascade
21%inclusion6 decks29 decks
-6%synergy
Bountiful Promenade
21%inclusion6 decks29 decks
-10%synergy
Tranquil Landscape
19%inclusion5 decks27 decks
3%synergy
Port Town
17%inclusion5 decks29 decks
4%synergy
Fortified Village
17%inclusion5 decks29 decks
4%synergy
Sungrass Prairie
17%inclusion5 decks29 decks
-2%synergy
Adarkar Wastes
17%inclusion5 decks29 decks
-7%synergy
Evolving Wilds
17%inclusion5 decks29 decks
-9%synergy
Simic Guildgate
14%inclusion4 decks29 decks
11%synergy
Irrigated Farmland
14%inclusion4 decks29 decks
7%synergy
Thornglint Bridge
10%inclusion3 decks29 decks
9%synergy
Tanglepool Bridge
10%inclusion3 decks29 decks
9%synergy
Selesnya Guildgate
10%inclusion3 decks29 decks
8%synergy
Azorius Guildgate
10%inclusion3 decks29 decks
8%synergy
Wooded Bastion
10%inclusion3 decks29 decks
7%synergy
Bant Panorama
10%inclusion3 decks29 decks
6%synergy
Mystic Gate
10%inclusion3 decks29 decks
6%synergy
Tranquil Cove
10%inclusion3 decks29 decks
5%synergy
Myriad Landscape
10%inclusion3 decks29 decks
4%synergy
Scattered Groves
10%inclusion3 decks29 decks
4%synergy
Meticulous Archive
10%inclusion3 decks29 decks
2%synergy
Vineglimmer Snarl
10%inclusion3 decks29 decks
-1%synergy
Overflowing Basin
10%inclusion3 decks29 decks
-2%synergy
Flooded Grove
10%inclusion3 decks29 decks
-12%synergy
Overgrown Farmland
10%inclusion3 decks29 decks
-12%synergy