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%inclusion28 decks3.31K decks
Mr. Foxglove
0.0%inclusion1 decks5.84K decks
Amareth, the Lustrous
0.1%inclusion1 decks1.56K decks
Lagrella, the Magpie
0.1%inclusion1 decks1.91K decks
Phelddagrif
0.0%inclusion1 decks3.34K decks
New Cards
Don & Leo, Problem Solvers
25%inclusion1 decks4 decks
25%synergy
Donnie & April, Adorkable Duo
17%inclusion1 decks6 decks
17%synergy
High Synergy Cards
Soulherder
91%inclusion29 decks32 decks
87%synergy
Archaeomancer
72%inclusion23 decks32 decks
70%synergy
Coiling Oracle
72%inclusion23 decks32 decks
65%synergy
Panharmonicon
66%inclusion21 decks32 decks
59%synergy
Wood Elves
63%inclusion20 decks32 decks
57%synergy
Ephemerate
63%inclusion20 decks32 decks
56%synergy
Mulldrifter
63%inclusion20 decks32 decks
55%synergy
Peregrine Drake
56%inclusion18 decks32 decks
52%synergy
Ghostly Flicker
53%inclusion17 decks32 decks
50%synergy
Farhaven Elf
53%inclusion17 decks32 decks
49%synergy
Top Cards
Swords to Plowshares
63%inclusion20 decks32 decks
0%synergy
Brago, King Eternal
50%inclusion16 decks32 decks
48%synergy
Time Warp
47%inclusion15 decks32 decks
46%synergy
Eerie Interlude
47%inclusion15 decks32 decks
41%synergy
Aether Channeler
44%inclusion14 decks32 decks
41%synergy
Emiel the Blessed
44%inclusion14 decks32 decks
38%synergy
Acidic Slime
41%inclusion13 decks32 decks
39%synergy
Momentary Blink
41%inclusion13 decks32 decks
39%synergy
Path to Exile
41%inclusion13 decks32 decks
-7%synergy
Dour Port-Mage
40%inclusion10 decks25 decks
37%synergy
Game Changers
Cyclonic Rift
16%inclusion5 decks32 decks
-3%synergy
Mystical Tutor
13%inclusion4 decks32 decks
7%synergy
Aura Shards
9.4%inclusion3 decks32 decks
3%synergy
Worldly Tutor
9.4%inclusion3 decks32 decks
-1%synergy
Fierce Guardianship
9.4%inclusion3 decks32 decks
-5%synergy
Smothering Tithe
9.4%inclusion3 decks32 decks
-7%synergy
Farewell
9.4%inclusion3 decks32 decks
-7%synergy
Rhystic Study
9.4%inclusion3 decks32 decks
-10%synergy
Creatures
Cloudblazer
38%inclusion12 decks32 decks
36%synergy
Timeless Witness
38%inclusion12 decks32 decks
35%synergy
Deadeye Navigator
38%inclusion12 decks32 decks
35%synergy
Restoration Angel
38%inclusion12 decks32 decks
34%synergy
Wall of Omens
38%inclusion12 decks32 decks
30%synergy
Reclamation Sage
31%inclusion10 decks32 decks
25%synergy
Solemn Simulacrum
31%inclusion10 decks32 decks
24%synergy
Wall of Blossoms
31%inclusion10 decks32 decks
23%synergy
Thassa, Deep-Dwelling
28%inclusion9 decks32 decks
26%synergy
Venser, Shaper Savant
28%inclusion9 decks32 decks
25%synergy
Sun Titan
28%inclusion9 decks32 decks
23%synergy
Lavinia of the Tenth
25%inclusion8 decks32 decks
25%synergy
Mistmeadow Witch
25%inclusion8 decks32 decks
24%synergy
Stonehorn Dignitary
25%inclusion8 decks32 decks
24%synergy
Eldrazi Displacer
25%inclusion8 decks32 decks
24%synergy
Agent of Treachery
25%inclusion8 decks32 decks
24%synergy
Yorion, Sky Nomad
25%inclusion8 decks32 decks
23%synergy
Karmic Guide
25%inclusion8 decks32 decks
23%synergy
Knight of Autumn
25%inclusion8 decks32 decks
23%synergy
Prime Speaker Zegana
25%inclusion8 decks32 decks
22%synergy
Spirited Companion
25%inclusion8 decks32 decks
22%synergy
Starfield Vocalist
25%inclusion3 decks12 decks
20%synergy
Noble Hierarch
25%inclusion8 decks32 decks
-1%synergy
Birds of Paradise
25%inclusion8 decks32 decks
-10%synergy
Thragtusk
22%inclusion7 decks32 decks
21%synergy
Terastodon
22%inclusion7 decks32 decks
20%synergy
Reflector Mage
22%inclusion7 decks32 decks
20%synergy
Skyclave Apparition
22%inclusion7 decks32 decks
20%synergy
Mnemonic Wall
22%inclusion7 decks32 decks
19%synergy
Felidar Guardian
22%inclusion7 decks32 decks
19%synergy
Mystic Snake
22%inclusion7 decks32 decks
19%synergy
Avacyn's Pilgrim
22%inclusion7 decks32 decks
8%synergy
Clifftop Lookout
20%inclusion5 decks25 decks
18%synergy
Charming Prince
19%inclusion6 decks32 decks
17%synergy
Elvish Visionary
19%inclusion6 decks32 decks
16%synergy
Elvish Mystic
19%inclusion6 decks32 decks
7%synergy
Witch Enchanter
17%inclusion5 decks30 decks
10%synergy
Phyrexian Ingester
16%inclusion5 decks32 decks
16%synergy
Gilraen, Dúnedain Protector
16%inclusion5 decks32 decks
15%synergy
Perplexing Chimera
16%inclusion5 decks32 decks
15%synergy
Abdel Adrian, Gorion's Ward
16%inclusion5 decks32 decks
15%synergy
Reveillark
16%inclusion5 decks32 decks
15%synergy
Flickerwisp
16%inclusion5 decks32 decks
14%synergy
Meteor Golem
16%inclusion5 decks32 decks
14%synergy
Recruiter of the Guard
16%inclusion5 decks32 decks
14%synergy
Displacer Kitten
16%inclusion5 decks32 decks
12%synergy
Elesh Norn, Mother of Machines
16%inclusion5 decks32 decks
12%synergy
Llanowar Elves
16%inclusion5 decks32 decks
1%synergy
Kykar, Zephyr Awakener
13%inclusion3 decks23 decks
12%synergy
Greenwarden of Murasa
13%inclusion4 decks32 decks
12%synergy
Instants
Cloudshift
34%inclusion11 decks32 decks
31%synergy
Beast Within
34%inclusion11 decks32 decks
7%synergy
Negate
31%inclusion10 decks32 decks
17%synergy
Eladamri's Call
28%inclusion9 decks32 decks
18%synergy
Generous Gift
28%inclusion9 decks32 decks
3%synergy
Counterspell
28%inclusion9 decks32 decks
-9%synergy
An Offer You Can't Refuse
25%inclusion8 decks32 decks
-2%synergy
Lae'zel's Acrobatics
22%inclusion7 decks32 decks
21%synergy
Ghostway
22%inclusion7 decks32 decks
20%synergy
Semester's End
19%inclusion6 decks32 decks
17%synergy
Dovin's Veto
19%inclusion6 decks32 decks
2%synergy
Swan Song
19%inclusion6 decks32 decks
2%synergy
Displace
16%inclusion5 decks32 decks
15%synergy
Essence Flux
16%inclusion5 decks32 decks
14%synergy
Arcane Denial
16%inclusion5 decks32 decks
-1%synergy
Parting Gust
12%inclusion3 decks25 decks
9%synergy
Blue Sun's Zenith
9.4%inclusion3 decks32 decks
9%synergy
Flicker of Fate
9.4%inclusion3 decks32 decks
9%synergy
Mana Leak
9.4%inclusion3 decks32 decks
8%synergy
Return to Nature
9.4%inclusion3 decks32 decks
7%synergy
Nature's Claim
9.4%inclusion3 decks32 decks
4%synergy
Mana Drain
9.4%inclusion3 decks32 decks
0%synergy
Growth Spiral
9.4%inclusion3 decks32 decks
-4%synergy
Heroic Intervention
9.4%inclusion3 decks32 decks
-21%synergy
Sorceries
Rampant Growth
38%inclusion12 decks32 decks
12%synergy
Cultivate
38%inclusion12 decks32 decks
0%synergy
Kodama's Reach
34%inclusion11 decks32 decks
16%synergy
Nature's Lore
34%inclusion11 decks32 decks
7%synergy
Temporal Manipulation
25%inclusion8 decks32 decks
25%synergy
Three Visits
25%inclusion8 decks32 decks
-1%synergy
Farseek
25%inclusion8 decks32 decks
-20%synergy
Time Stretch
22%inclusion7 decks32 decks
22%synergy
Capture of Jingzhou
22%inclusion7 decks32 decks
22%synergy
Time Wipe
22%inclusion7 decks32 decks
19%synergy
Cleansing Nova
19%inclusion6 decks32 decks
17%synergy
Austere Command
19%inclusion6 decks32 decks
10%synergy
Another Round
16%inclusion5 decks32 decks
15%synergy
Regrowth
13%inclusion4 decks32 decks
11%synergy
Ponder
13%inclusion4 decks32 decks
9%synergy
Wargate
13%inclusion4 decks32 decks
8%synergy
Bala Ged Recovery
13%inclusion4 decks32 decks
6%synergy
Supreme Verdict
13%inclusion4 decks32 decks
4%synergy
Depopulate
9.4%inclusion3 decks32 decks
9%synergy
Tooth and Nail
9.4%inclusion3 decks32 decks
9%synergy
Rite of Replication
9.4%inclusion3 decks32 decks
8%synergy
Preordain
9.4%inclusion3 decks32 decks
7%synergy
Skyshroud Claim
9.4%inclusion3 decks32 decks
6%synergy
Approach of the Second Sun
9.4%inclusion3 decks32 decks
5%synergy
Neoform
9.4%inclusion3 decks32 decks
5%synergy
Finale of Devastation
9.4%inclusion3 decks32 decks
2%synergy
Utility Artifacts
Conjurer's Closet
38%inclusion12 decks32 decks
35%synergy
Swiftfoot Boots
31%inclusion10 decks32 decks
3%synergy
Strionic Resonator
22%inclusion7 decks32 decks
21%synergy
Lightning Greaves
13%inclusion4 decks32 decks
-6%synergy
Sword of Hearth and Home
9.4%inclusion3 decks32 decks
8%synergy
Enchantments
Teleportation Circle
38%inclusion12 decks32 decks
35%synergy
Virtue of Knowledge
28%inclusion9 decks32 decks
26%synergy
Wild Growth
19%inclusion6 decks32 decks
8%synergy
Guardian Project
16%inclusion5 decks32 decks
8%synergy
Touch the Spirit Realm
13%inclusion4 decks32 decks
12%synergy
Utopia Sprawl
13%inclusion4 decks32 decks
4%synergy
Blessed Sanctuary
9.4%inclusion3 decks32 decks
9%synergy
Mirari's Wake
9.4%inclusion3 decks32 decks
4%synergy
Sylvan Library
9.4%inclusion3 decks32 decks
4%synergy
Wilderness Reclamation
9.4%inclusion3 decks32 decks
3%synergy
Ghostly Prison
9.4%inclusion3 decks32 decks
-1%synergy
Mystic Remora
9.4%inclusion3 decks32 decks
-2%synergy
Propaganda
9.4%inclusion3 decks32 decks
-3%synergy
Planeswalkers
The Eternal Wanderer
16%inclusion5 decks32 decks
14%synergy
Venser, the Sojourner
13%inclusion4 decks32 decks
11%synergy
Kiora, Behemoth Beckoner
9.4%inclusion3 decks32 decks
5%synergy
Utility Lands
Reliquary Tower
31%inclusion10 decks32 decks
-12%synergy
Alchemist's Refuge
28%inclusion9 decks32 decks
21%synergy
Mystic Sanctuary
19%inclusion6 decks32 decks
17%synergy
Temple of the False God
16%inclusion5 decks32 decks
7%synergy
Halimar Depths
9.4%inclusion3 decks32 decks
8%synergy
Mana Artifacts
Sol Ring
84%inclusion27 decks32 decks
3%synergy
Arcane Signet
72%inclusion23 decks32 decks
1%synergy
Azorius Signet
44%inclusion14 decks32 decks
34%synergy
Simic Signet
41%inclusion13 decks32 decks
31%synergy
Selesnya Signet
34%inclusion11 decks32 decks
27%synergy
Talisman of Progress
25%inclusion8 decks32 decks
15%synergy
Talisman of Curiosity
22%inclusion7 decks32 decks
11%synergy
Fellwar Stone
19%inclusion6 decks32 decks
4%synergy
Talisman of Unity
16%inclusion5 decks32 decks
6%synergy
Thought Vessel
16%inclusion5 decks32 decks
-4%synergy
Mind Stone
9.4%inclusion3 decks32 decks
3%synergy
Chromatic Lantern
9.4%inclusion3 decks32 decks
3%synergy
Lands
Command Tower
91%inclusion29 decks32 decks
0%synergy
Canopy Vista
59%inclusion19 decks32 decks
13%synergy
Prairie Stream
50%inclusion16 decks32 decks
4%synergy
Exotic Orchard
50%inclusion16 decks32 decks
-7%synergy
Seaside Citadel
47%inclusion15 decks32 decks
-5%synergy
Hinterland Harbor
44%inclusion14 decks32 decks
-5%synergy
Sunpetal Grove
38%inclusion12 decks32 decks
-6%synergy
Yavimaya Coast
34%inclusion11 decks32 decks
4%synergy
Hallowed Fountain
34%inclusion11 decks32 decks
-10%synergy
Temple Garden
34%inclusion11 decks32 decks
-10%synergy
Breeding Pool
34%inclusion11 decks32 decks
-11%synergy
Glacial Fortress
31%inclusion10 decks32 decks
-16%synergy
Temple of Plenty
28%inclusion9 decks32 decks
8%synergy
Azorius Chancery
22%inclusion7 decks32 decks
7%synergy
Simic Growth Chamber
22%inclusion7 decks32 decks
7%synergy
Terramorphic Expanse
22%inclusion7 decks32 decks
5%synergy
Temple of Enlightenment
22%inclusion7 decks32 decks
1%synergy
Temple of Mystery
22%inclusion7 decks32 decks
0%synergy
Sea of Clouds
22%inclusion7 decks32 decks
-8%synergy
Misty Rainforest
22%inclusion7 decks32 decks
-8%synergy
Flooded Strand
22%inclusion7 decks32 decks
-10%synergy
Windswept Heath
22%inclusion7 decks32 decks
-11%synergy
Rejuvenating Springs
22%inclusion7 decks32 decks
-13%synergy
Spara's Headquarters
22%inclusion7 decks32 decks
-18%synergy
Tranquil Landscape
20%inclusion6 decks30 decks
4%synergy
Selesnya Sanctuary
19%inclusion6 decks32 decks
5%synergy
Fortified Village
19%inclusion6 decks32 decks
5%synergy
Adarkar Wastes
19%inclusion6 decks32 decks
-6%synergy
Evolving Wilds
19%inclusion6 decks32 decks
-7%synergy
Dreamroot Cascade
19%inclusion6 decks32 decks
-8%synergy
Bountiful Promenade
19%inclusion6 decks32 decks
-11%synergy
Port Town
16%inclusion5 decks32 decks
2%synergy
Sungrass Prairie
16%inclusion5 decks32 decks
-4%synergy
Simic Guildgate
13%inclusion4 decks32 decks
10%synergy
Irrigated Farmland
13%inclusion4 decks32 decks
6%synergy
Path of Ancestry
13%inclusion4 decks32 decks
-13%synergy
Thornglint Bridge
9.4%inclusion3 decks32 decks
8%synergy
Tanglepool Bridge
9.4%inclusion3 decks32 decks
8%synergy
Selesnya Guildgate
9.4%inclusion3 decks32 decks
7%synergy
Azorius Guildgate
9.4%inclusion3 decks32 decks
7%synergy
Wooded Bastion
9.4%inclusion3 decks32 decks
6%synergy
Bant Panorama
9.4%inclusion3 decks32 decks
5%synergy
Mystic Gate
9.4%inclusion3 decks32 decks
5%synergy
Tranquil Cove
9.4%inclusion3 decks32 decks
4%synergy
Myriad Landscape
9.4%inclusion3 decks32 decks
3%synergy
Scattered Groves
9.4%inclusion3 decks32 decks
3%synergy
Meticulous Archive
9.4%inclusion3 decks32 decks
1%synergy
Vineglimmer Snarl
9.4%inclusion3 decks32 decks
-2%synergy
Overflowing Basin
9.4%inclusion3 decks32 decks
-3%synergy
Flooded Grove
9.4%inclusion3 decks32 decks
-13%synergy