Zethi, Arcane Blademaster
Walk the Aeons
Cosmic Intervention

   Prerequisites

What do I need to start this combo?
Zethi on the battlefield.
Cosmic Intervention in exile (Cosmic Intervention with a kick counter on it in exile).
Walk the Aeons in hand.
Zethi does not have summoning sickness. You control at least three Islands.
7 each turn available

   Steps

How does this combo work?
1
Declare Zethi as an attacker.
2
Zethi's last ability triggers, causing you to pay 3 to cast a copy of Cosmic Intervention, creating a replacement effect that is active this turn.
3
Move to your postcombat phase.
4
Cast Walk the Aeons with buyback by paying 4 and sacrificing three Islands, putting the Islands in exile instead of the graveyard and creating a delayed triggered ability due to Cosmic Intervention's replacement effect.
5
Resolve Walk the Aeons, causing you to take an extra turn after this one and returning Walk the Aeons to your hand.
6
At the beginning of your end step, Cosmic Intervention's delayed triggered ability triggers, returning the exiled Islands from exile to the battlefield.
7
Repeat each turn.

   Results

What do I get from this combo?
Infinite turns
Lock
Zethi, Arcane Blademaster
0.4%inclusion23 decks6.14K decks
High Synergy Cards
Faith's Reward
78%inclusion18 decks23 decks
78%synergy
Shadow Rift
78%inclusion18 decks23 decks
76%synergy
Brainstorm
91%inclusion21 decks23 decks
73%synergy
Baral, Chief of Compliance
74%inclusion17 decks23 decks
71%synergy
Frantic Search
83%inclusion19 decks23 decks
71%synergy
Vega, the Watcher
74%inclusion17 decks23 decks
69%synergy
Snap
70%inclusion16 decks23 decks
63%synergy
High Tide
65%inclusion15 decks23 decks
63%synergy
Archmage Emeritus
65%inclusion15 decks23 decks
61%synergy
Consider
65%inclusion15 decks23 decks
60%synergy
Top Cards
Swords to Plowshares
91%inclusion21 decks23 decks
22%synergy
Path to Exile
78%inclusion18 decks23 decks
25%synergy
Counterspell
65%inclusion15 decks23 decks
11%synergy
Leap
57%inclusion13 decks23 decks
55%synergy
Monastery Mentor
57%inclusion13 decks23 decks
53%synergy
Show of Confidence
52%inclusion12 decks23 decks
50%synergy
Loran's Escape
52%inclusion12 decks23 decks
50%synergy
Talrand, Sky Summoner
52%inclusion12 decks23 decks
48%synergy
Swiftfoot Boots
52%inclusion12 decks23 decks
27%synergy
Nexus of Fate
48%inclusion11 decks23 decks
46%synergy
Game Changers
Mystical Tutor
78%inclusion18 decks23 decks
65%synergy
Cyclonic Rift
43%inclusion10 decks23 decks
21%synergy
Smothering Tithe
39%inclusion9 decks23 decks
14%synergy
Grand Arbiter Augustin IV
35%inclusion8 decks23 decks
25%synergy
Teferi's Protection
26%inclusion6 decks23 decks
10%synergy
Enlightened Tutor
26%inclusion6 decks23 decks
9%synergy
Fierce Guardianship
22%inclusion5 decks23 decks
6%synergy
Rhystic Study
22%inclusion5 decks23 decks
-2%synergy
Narset, Parter of Veils
13%inclusion3 decks23 decks
6%synergy
Force of Will
13%inclusion3 decks23 decks
4%synergy
Creatures
Murmuring Mystic
35%inclusion8 decks23 decks
32%synergy
Stenn, Paranoid Partisan
35%inclusion8 decks23 decks
32%synergy
Niblis of Frost
35%inclusion8 decks23 decks
31%synergy
Thunderclap Drake
32%inclusion7 decks22 decks
31%synergy
Kykar, Zephyr Awakener
29%inclusion5 decks17 decks
24%synergy
Leonin Lightscribe
26%inclusion6 decks23 decks
24%synergy
Archaeomancer
26%inclusion6 decks23 decks
15%synergy
Lyse Hext
23%inclusion3 decks13 decks
21%synergy
Aphetto Alchemist
22%inclusion5 decks23 decks
21%synergy
Sage of the Beyond
22%inclusion5 decks23 decks
20%synergy
Pippin, Guard of the Citadel
22%inclusion5 decks23 decks
17%synergy
Solemn Simulacrum
22%inclusion5 decks23 decks
-4%synergy
Archmage of Runes
18%inclusion3 decks17 decks
15%synergy
Taigam, Ojutai Master
17%inclusion4 decks23 decks
17%synergy
Urza, Lord Protector
17%inclusion4 decks23 decks
15%synergy
Burnished Hart
17%inclusion4 decks23 decks
15%synergy
Spellseeker
17%inclusion4 decks23 decks
14%synergy
Hullbreaker Horror
17%inclusion4 decks23 decks
9%synergy
Grand Abolisher
17%inclusion4 decks23 decks
7%synergy
Esper Sentinel
17%inclusion4 decks23 decks
-5%synergy
Curious Homunculus
13%inclusion3 decks23 decks
12%synergy
Micromancer
13%inclusion3 decks23 decks
12%synergy
Haughty Djinn
13%inclusion3 decks23 decks
12%synergy
Wizards of Thay
13%inclusion3 decks23 decks
12%synergy
Scampering Surveyor
13%inclusion3 decks23 decks
12%synergy
Mocking Sprite
13%inclusion3 decks23 decks
12%synergy
Crashing Drawbridge
13%inclusion3 decks23 decks
11%synergy
Mother of Runes
13%inclusion3 decks23 decks
10%synergy
Displacer Kitten
13%inclusion3 decks23 decks
2%synergy
Instants
Thought Scour
48%inclusion11 decks23 decks
46%synergy
Faithful Mending
48%inclusion11 decks23 decks
42%synergy
Dramatic Reversal
48%inclusion11 decks23 decks
40%synergy
Take Up the Shield
43%inclusion10 decks23 decks
42%synergy
Shelter
43%inclusion10 decks23 decks
41%synergy
You Come to a River
39%inclusion9 decks23 decks
38%synergy
Opt
39%inclusion9 decks23 decks
30%synergy
Boon of Safety
35%inclusion8 decks23 decks
33%synergy
Arcane Denial
35%inclusion8 decks23 decks
9%synergy
An Offer You Can't Refuse
35%inclusion8 decks23 decks
9%synergy
Generous Gift
35%inclusion8 decks23 decks
2%synergy
Said // Done
30%inclusion7 decks23 decks
30%synergy
Brain Freeze
30%inclusion7 decks23 decks
29%synergy
Surge of Brilliance
30%inclusion7 decks23 decks
29%synergy
Unsummon
30%inclusion7 decks23 decks
29%synergy
Negate
30%inclusion7 decks23 decks
2%synergy
Dovin's Veto
30%inclusion7 decks23 decks
-7%synergy
Fleeting Flight
29%inclusion5 decks17 decks
29%synergy
Sudden Salvation
26%inclusion6 decks23 decks
26%synergy
Curate
26%inclusion6 decks23 decks
25%synergy
Turnabout
26%inclusion6 decks23 decks
24%synergy
Pongify
26%inclusion6 decks23 decks
18%synergy
Disenchant
26%inclusion6 decks23 decks
18%synergy
Final Showdown
23%inclusion5 decks22 decks
20%synergy
Prologue to Phyresis
22%inclusion5 decks23 decks
21%synergy
Three Steps Ahead
18%inclusion4 decks22 decks
14%synergy
Pull from Eternity
17%inclusion4 decks23 decks
17%synergy
Otherworldly Gaze
17%inclusion4 decks23 decks
17%synergy
Unsubstantiate
17%inclusion4 decks23 decks
16%synergy
Fading Hope
17%inclusion4 decks23 decks
16%synergy
Thirst for Discovery
17%inclusion4 decks23 decks
16%synergy
Valorous Stance
17%inclusion4 decks23 decks
16%synergy
Slip Out the Back
17%inclusion4 decks23 decks
15%synergy
Get Lost
17%inclusion4 decks23 decks
15%synergy
Narset's Reversal
17%inclusion4 decks23 decks
13%synergy
Reprieve
17%inclusion4 decks23 decks
13%synergy
Fact or Fiction
17%inclusion4 decks23 decks
13%synergy
Rapid Hybridization
17%inclusion4 decks23 decks
12%synergy
Akroma's Will
17%inclusion4 decks23 decks
12%synergy
Mana Drain
17%inclusion4 decks23 decks
2%synergy
Stroke of Midnight
17%inclusion4 decks23 decks
1%synergy
Curfew
13%inclusion3 decks23 decks
13%synergy
Mental Note
13%inclusion3 decks23 decks
13%synergy
Tolarian Winds
13%inclusion3 decks23 decks
13%synergy
Astral Steel
13%inclusion3 decks23 decks
12%synergy
Alchemist's Retrieval
13%inclusion3 decks23 decks
12%synergy
Light the Way
13%inclusion3 decks23 decks
12%synergy
Remand
13%inclusion3 decks23 decks
11%synergy
March of Swirling Mist
13%inclusion3 decks23 decks
11%synergy
Silundi Vision
13%inclusion3 decks23 decks
11%synergy
Sorceries
Solve the Equation
43%inclusion10 decks23 decks
39%synergy
Approach of the Second Sun
35%inclusion8 decks23 decks
19%synergy
Merchant Scroll
30%inclusion7 decks23 decks
29%synergy
Time Wipe
30%inclusion7 decks23 decks
17%synergy
Time Warp
22%inclusion5 decks23 decks
20%synergy
Windfall
22%inclusion5 decks23 decks
9%synergy
Beacon of Tomorrows
17%inclusion4 decks23 decks
17%synergy
Temporal Manipulation
17%inclusion4 decks23 decks
16%synergy
Personal Tutor
17%inclusion4 decks23 decks
15%synergy
Single Combat
17%inclusion4 decks23 decks
15%synergy
Supreme Verdict
17%inclusion4 decks23 decks
-11%synergy
Capture of Jingzhou
13%inclusion3 decks23 decks
12%synergy
Slip Through Space
13%inclusion3 decks23 decks
12%synergy
Farewell
13%inclusion3 decks23 decks
-6%synergy
Utility Artifacts
Isochron Scepter
43%inclusion10 decks23 decks
37%synergy
Lithoform Engine
39%inclusion9 decks23 decks
37%synergy
Scroll of Fate
35%inclusion8 decks23 decks
34%synergy
Lightning Greaves
35%inclusion8 decks23 decks
15%synergy
Mindsplice Apparatus
30%inclusion7 decks23 decks
29%synergy
Aetherflux Reservoir
30%inclusion7 decks23 decks
24%synergy
Sentinel Tower
26%inclusion6 decks23 decks
25%synergy
Primal Amulet
22%inclusion5 decks23 decks
21%synergy
Twinning Staff
17%inclusion4 decks23 decks
16%synergy
Sapphire Medallion
17%inclusion4 decks23 decks
10%synergy
Wayfarer's Bauble
13%inclusion3 decks23 decks
2%synergy
Enchantments
Propaganda
26%inclusion6 decks23 decks
1%synergy
Vesuvan Duplimancy
22%inclusion5 decks23 decks
21%synergy
Ghostly Prison
22%inclusion5 decks23 decks
-2%synergy
Case of the Ransacked Lab
17%inclusion4 decks23 decks
16%synergy
Shark Typhoon
17%inclusion4 decks23 decks
15%synergy
Steel of the Godhead
17%inclusion4 decks23 decks
13%synergy
Land Tax
17%inclusion4 decks23 decks
9%synergy
Swarm Intelligence
13%inclusion3 decks23 decks
12%synergy
Jace's Sanctum
13%inclusion3 decks23 decks
11%synergy
Aqueous Form
13%inclusion3 decks23 decks
9%synergy
Mystic Remora
13%inclusion3 decks23 decks
-3%synergy
Planeswalkers
Teferi, Time Raveler
22%inclusion5 decks23 decks
11%synergy
Teferi, Master of Time
17%inclusion4 decks23 decks
16%synergy
Utility Lands
Rogue's Passage
39%inclusion9 decks23 decks
24%synergy
Mystic Sanctuary
35%inclusion8 decks23 decks
17%synergy
Maze of Ith
30%inclusion7 decks23 decks
26%synergy
Command Beacon
26%inclusion6 decks23 decks
23%synergy
Reliquary Tower
26%inclusion6 decks23 decks
-23%synergy
Rivendell
17%inclusion4 decks23 decks
13%synergy
Boseiju, Who Shelters All
13%inclusion3 decks23 decks
13%synergy
Hall of the Bandit Lord
13%inclusion3 decks23 decks
12%synergy
Sanctum of Eternity
13%inclusion3 decks23 decks
12%synergy
Lotus Field
13%inclusion3 decks23 decks
12%synergy
Access Tunnel
13%inclusion3 decks23 decks
10%synergy
Restless Anchorage
13%inclusion3 decks23 decks
5%synergy
Eiganjo, Seat of the Empire
13%inclusion3 decks23 decks
3%synergy
Urza's Saga
13%inclusion3 decks23 decks
2%synergy
Mana Artifacts
Sol Ring
100%inclusion23 decks23 decks
13%synergy
Arcane Signet
91%inclusion21 decks23 decks
8%synergy
Azorius Signet
65%inclusion15 decks23 decks
7%synergy
Talisman of Progress
43%inclusion10 decks23 decks
-7%synergy
Thought Vessel
30%inclusion7 decks23 decks
-12%synergy
Commander's Sphere
26%inclusion6 decks23 decks
10%synergy
Fellwar Stone
26%inclusion6 decks23 decks
-3%synergy
Everflowing Chalice
17%inclusion4 decks23 decks
13%synergy
Liquimetal Torque
13%inclusion3 decks23 decks
9%synergy
Gilded Lotus
13%inclusion3 decks23 decks
7%synergy
Mind Stone
13%inclusion3 decks23 decks
-14%synergy
Lands
Command Tower
74%inclusion17 decks23 decks
-12%synergy
Hallowed Fountain
65%inclusion15 decks23 decks
19%synergy
Prairie Stream
65%inclusion15 decks23 decks
-1%synergy
Glacial Fortress
48%inclusion11 decks23 decks
-14%synergy
Sea of Clouds
43%inclusion10 decks23 decks
3%synergy
Adarkar Wastes
43%inclusion10 decks23 decks
1%synergy
Port Town
43%inclusion10 decks23 decks
-4%synergy
Deserted Beach
39%inclusion9 decks23 decks
0%synergy
Irrigated Farmland
35%inclusion8 decks23 decks
13%synergy
Flooded Strand
35%inclusion8 decks23 decks
3%synergy
Hengegate Pathway
30%inclusion7 decks23 decks
10%synergy
Nimbus Maze
30%inclusion7 decks23 decks
8%synergy
Azorius Chancery
30%inclusion7 decks23 decks
-7%synergy
Temple of Enlightenment
30%inclusion7 decks23 decks
-8%synergy
Mystic Gate
26%inclusion6 decks23 decks
3%synergy
Skycloud Expanse
26%inclusion6 decks23 decks
-9%synergy
Misty Rainforest
22%inclusion5 decks23 decks
14%synergy
Floodfarm Verge
21%inclusion4 decks19 decks
-5%synergy
Scalding Tarn
17%inclusion4 decks23 decks
10%synergy
Polluted Delta
17%inclusion4 decks23 decks
9%synergy
Terramorphic Expanse
17%inclusion4 decks23 decks
7%synergy
Seachrome Coast
17%inclusion4 decks23 decks
3%synergy
Evolving Wilds
17%inclusion4 decks23 decks
1%synergy
Myriad Landscape
17%inclusion4 decks23 decks
0%synergy
Exotic Orchard
17%inclusion4 decks23 decks
-10%synergy
Arid Mesa
13%inclusion3 decks23 decks
7%synergy
Windswept Heath
13%inclusion3 decks23 decks
6%synergy
Marsh Flats
13%inclusion3 decks23 decks
6%synergy
Fabled Passage
13%inclusion3 decks23 decks
5%synergy
Glacial Floodplain
13%inclusion3 decks23 decks
5%synergy
Idyllic Beachfront
13%inclusion3 decks23 decks
5%synergy
Tundra
13%inclusion3 decks23 decks
0%synergy
Meticulous Archive
13%inclusion3 decks23 decks
-5%synergy