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
Faith's Reward
77%inclusion17 decks22 decks
77%synergy
Shadow Rift
77%inclusion17 decks22 decks
75%synergy
Brainstorm
91%inclusion20 decks22 decks
73%synergy
Baral, Chief of Compliance
73%inclusion16 decks22 decks
70%synergy
Frantic Search
82%inclusion18 decks22 decks
70%synergy
Vega, the Watcher
73%inclusion16 decks22 decks
68%synergy
Snap
73%inclusion16 decks22 decks
66%synergy
Archmage Emeritus
68%inclusion15 decks22 decks
64%synergy
High Tide
64%inclusion14 decks22 decks
61%synergy
Consider
64%inclusion14 decks22 decks
59%synergy
Top Cards
Swords to Plowshares
91%inclusion20 decks22 decks
22%synergy
Path to Exile
82%inclusion18 decks22 decks
29%synergy
Monastery Mentor
59%inclusion13 decks22 decks
55%synergy
Swiftfoot Boots
59%inclusion13 decks22 decks
33%synergy
Counterspell
59%inclusion13 decks22 decks
5%synergy
Talrand, Sky Summoner
55%inclusion12 decks22 decks
50%synergy
Dramatic Reversal
55%inclusion12 decks22 decks
47%synergy
Nexus of Fate
50%inclusion11 decks22 decks
48%synergy
Show of Confidence
50%inclusion11 decks22 decks
48%synergy
Leap
50%inclusion11 decks22 decks
48%synergy
Game Changers
Mystical Tutor
82%inclusion18 decks22 decks
69%synergy
Smothering Tithe
45%inclusion10 decks22 decks
22%synergy
Cyclonic Rift
41%inclusion9 decks22 decks
19%synergy
Grand Arbiter Augustin IV
32%inclusion7 decks22 decks
22%synergy
Teferi's Protection
27%inclusion6 decks22 decks
12%synergy
Fierce Guardianship
23%inclusion5 decks22 decks
7%synergy
Enlightened Tutor
23%inclusion5 decks22 decks
6%synergy
Gifts Ungiven
14%inclusion3 decks22 decks
12%synergy
Mana Vault
14%inclusion3 decks22 decks
7%synergy
Force of Will
14%inclusion3 decks22 decks
5%synergy
Creatures
Stenn, Paranoid Partisan
36%inclusion8 decks22 decks
34%synergy
Murmuring Mystic
36%inclusion8 decks22 decks
33%synergy
Leonin Lightscribe
32%inclusion7 decks22 decks
30%synergy
Niblis of Frost
32%inclusion7 decks22 decks
29%synergy
Archaeomancer
32%inclusion7 decks22 decks
21%synergy
Kykar, Zephyr Awakener
28%inclusion5 decks18 decks
23%synergy
Thunderclap Drake
27%inclusion6 decks22 decks
26%synergy
Aphetto Alchemist
23%inclusion5 decks22 decks
22%synergy
Sage of the Beyond
23%inclusion5 decks22 decks
21%synergy
Pippin, Guard of the Citadel
23%inclusion5 decks22 decks
19%synergy
Hullbreaker Horror
23%inclusion5 decks22 decks
15%synergy
Lyse Hext
21%inclusion3 decks14 decks
19%synergy
Taigam, Ojutai Master
18%inclusion4 decks22 decks
17%synergy
Wizards of Thay
18%inclusion4 decks22 decks
17%synergy
Burnished Hart
18%inclusion4 decks22 decks
16%synergy
Urza, Lord Protector
18%inclusion4 decks22 decks
16%synergy
Spellseeker
18%inclusion4 decks22 decks
15%synergy
Grand Abolisher
18%inclusion4 decks22 decks
7%synergy
Esper Sentinel
18%inclusion4 decks22 decks
-4%synergy
Solemn Simulacrum
18%inclusion4 decks22 decks
-6%synergy
Archmage of Runes
17%inclusion3 decks18 decks
14%synergy
Micromancer
14%inclusion3 decks22 decks
13%synergy
Scampering Surveyor
14%inclusion3 decks22 decks
13%synergy
Crashing Drawbridge
14%inclusion3 decks22 decks
12%synergy
Mother of Runes
14%inclusion3 decks22 decks
10%synergy
Ledger Shredder
14%inclusion3 decks22 decks
9%synergy
Displacer Kitten
14%inclusion3 decks22 decks
3%synergy
Instants
Loran's Escape
50%inclusion11 decks22 decks
48%synergy
Shelter
45%inclusion10 decks22 decks
43%synergy
You Come to a River
41%inclusion9 decks22 decks
39%synergy
Thought Scour
41%inclusion9 decks22 decks
39%synergy
Faithful Mending
41%inclusion9 decks22 decks
36%synergy
Take Up the Shield
36%inclusion8 decks22 decks
35%synergy
Opt
36%inclusion8 decks22 decks
27%synergy
An Offer You Can't Refuse
36%inclusion8 decks22 decks
10%synergy
Brain Freeze
32%inclusion7 decks22 decks
31%synergy
Boon of Safety
32%inclusion7 decks22 decks
31%synergy
Turnabout
32%inclusion7 decks22 decks
30%synergy
Disenchant
32%inclusion7 decks22 decks
24%synergy
Arcane Denial
32%inclusion7 decks22 decks
6%synergy
Generous Gift
32%inclusion7 decks22 decks
2%synergy
Fleeting Flight
28%inclusion5 decks18 decks
27%synergy
Curate
27%inclusion6 decks22 decks
26%synergy
Unsummon
27%inclusion6 decks22 decks
25%synergy
Final Showdown
27%inclusion6 decks22 decks
25%synergy
Dovin's Veto
27%inclusion6 decks22 decks
-11%synergy
Said // Done
23%inclusion5 decks22 decks
22%synergy
Sudden Salvation
23%inclusion5 decks22 decks
22%synergy
Prologue to Phyresis
23%inclusion5 decks22 decks
22%synergy
Surge of Brilliance
23%inclusion5 decks22 decks
21%synergy
Pongify
23%inclusion5 decks22 decks
14%synergy
Negate
23%inclusion5 decks22 decks
-5%synergy
Pull from Eternity
18%inclusion4 decks22 decks
18%synergy
Astral Steel
18%inclusion4 decks22 decks
18%synergy
Otherworldly Gaze
18%inclusion4 decks22 decks
18%synergy
Fading Hope
18%inclusion4 decks22 decks
17%synergy
Silundi Vision
18%inclusion4 decks22 decks
16%synergy
Slip Out the Back
18%inclusion4 decks22 decks
16%synergy
Get Lost
18%inclusion4 decks22 decks
16%synergy
Three Steps Ahead
18%inclusion4 decks22 decks
14%synergy
Fact or Fiction
18%inclusion4 decks22 decks
14%synergy
Narset's Reversal
18%inclusion4 decks22 decks
14%synergy
Akroma's Will
18%inclusion4 decks22 decks
12%synergy
Flawless Maneuver
18%inclusion4 decks22 decks
12%synergy
Mana Drain
18%inclusion4 decks22 decks
2%synergy
Curfew
14%inclusion3 decks22 decks
14%synergy
Mental Note
14%inclusion3 decks22 decks
13%synergy
Tolarian Winds
14%inclusion3 decks22 decks
13%synergy
Alchemist's Retrieval
14%inclusion3 decks22 decks
13%synergy
Gods Willing
14%inclusion3 decks22 decks
12%synergy
Valorous Stance
14%inclusion3 decks22 decks
12%synergy
Archmage's Charm
14%inclusion3 decks22 decks
12%synergy
March of Swirling Mist
14%inclusion3 decks22 decks
12%synergy
Run Away Together
14%inclusion3 decks22 decks
11%synergy
Pact of Negation
14%inclusion3 decks22 decks
9%synergy
Reprieve
14%inclusion3 decks22 decks
9%synergy
Sejiri Shelter
14%inclusion3 decks22 decks
9%synergy
Sorceries
Solve the Equation
36%inclusion8 decks22 decks
32%synergy
Time Wipe
32%inclusion7 decks22 decks
19%synergy
Merchant Scroll
27%inclusion6 decks22 decks
26%synergy
Time Warp
23%inclusion5 decks22 decks
21%synergy
Approach of the Second Sun
23%inclusion5 decks22 decks
7%synergy
Beacon of Tomorrows
18%inclusion4 decks22 decks
18%synergy
Temporal Manipulation
18%inclusion4 decks22 decks
17%synergy
Single Combat
18%inclusion4 decks22 decks
16%synergy
Windfall
18%inclusion4 decks22 decks
6%synergy
Supreme Verdict
18%inclusion4 decks22 decks
-9%synergy
Capture of Jingzhou
14%inclusion3 decks22 decks
13%synergy
Slash the Ranks
14%inclusion3 decks22 decks
13%synergy
Personal Tutor
14%inclusion3 decks22 decks
12%synergy
Farewell
14%inclusion3 decks22 decks
-3%synergy
Utility Artifacts
Lithoform Engine
45%inclusion10 decks22 decks
44%synergy
Isochron Scepter
45%inclusion10 decks22 decks
40%synergy
Scroll of Fate
36%inclusion8 decks22 decks
36%synergy
Lightning Greaves
36%inclusion8 decks22 decks
16%synergy
Aetherflux Reservoir
32%inclusion7 decks22 decks
25%synergy
Primal Amulet
27%inclusion6 decks22 decks
27%synergy
Sentinel Tower
27%inclusion6 decks22 decks
26%synergy
Mindsplice Apparatus
23%inclusion5 decks22 decks
22%synergy
Sapphire Medallion
18%inclusion4 decks22 decks
10%synergy
Twinning Staff
14%inclusion3 decks22 decks
13%synergy
Enchantments
Vesuvan Duplimancy
27%inclusion6 decks22 decks
26%synergy
Ghostly Prison
27%inclusion6 decks22 decks
3%synergy
Propaganda
27%inclusion6 decks22 decks
0%synergy
Rhystic Study
23%inclusion5 decks22 decks
-0%synergy
Shark Typhoon
18%inclusion4 decks22 decks
16%synergy
Steel of the Godhead
18%inclusion4 decks22 decks
14%synergy
Land Tax
18%inclusion4 decks22 decks
9%synergy
Case of the Ransacked Lab
14%inclusion3 decks22 decks
12%synergy
Jace's Sanctum
14%inclusion3 decks22 decks
12%synergy
Mystic Remora
14%inclusion3 decks22 decks
-2%synergy
Planeswalkers
Teferi, Time Raveler
23%inclusion5 decks22 decks
12%synergy
Teferi, Master of Time
14%inclusion3 decks22 decks
12%synergy
Artifacts
Sol Ring
100%inclusion22 decks22 decks
14%synergy
Arcane Signet
91%inclusion20 decks22 decks
8%synergy
Azorius Signet
64%inclusion14 decks22 decks
7%synergy
Lithoform Engine
45%inclusion10 decks22 decks
44%synergy
Isochron Scepter
45%inclusion10 decks22 decks
40%synergy
Talisman of Progress
41%inclusion9 decks22 decks
-10%synergy
Scroll of Fate
36%inclusion8 decks22 decks
36%synergy
Lightning Greaves
36%inclusion8 decks22 decks
16%synergy
Aetherflux Reservoir
32%inclusion7 decks22 decks
25%synergy
Primal Amulet
27%inclusion6 decks22 decks
27%synergy
Sentinel Tower
27%inclusion6 decks22 decks
26%synergy
Commander's Sphere
27%inclusion6 decks22 decks
13%synergy
Thought Vessel
27%inclusion6 decks22 decks
-15%synergy
Mindsplice Apparatus
23%inclusion5 decks22 decks
22%synergy
Fellwar Stone
23%inclusion5 decks22 decks
-6%synergy
Everflowing Chalice
18%inclusion4 decks22 decks
14%synergy
Sapphire Medallion
18%inclusion4 decks22 decks
10%synergy
Twinning Staff
14%inclusion3 decks22 decks
13%synergy
Liquimetal Torque
14%inclusion3 decks22 decks
10%synergy
Gilded Lotus
14%inclusion3 decks22 decks
8%synergy
Decanter of Endless Water
14%inclusion3 decks22 decks
3%synergy
Utility Lands
Rogue's Passage
36%inclusion8 decks22 decks
22%synergy
Mystic Sanctuary
36%inclusion8 decks22 decks
19%synergy
Reliquary Tower
32%inclusion7 decks22 decks
-17%synergy
Maze of Ith
27%inclusion6 decks22 decks
23%synergy
Command Beacon
23%inclusion5 decks22 decks
20%synergy
Sanctum of Eternity
18%inclusion4 decks22 decks
17%synergy
Access Tunnel
18%inclusion4 decks22 decks
15%synergy
Lotus Field
14%inclusion3 decks22 decks
12%synergy
Rivendell
14%inclusion3 decks22 decks
10%synergy
Restless Anchorage
14%inclusion3 decks22 decks
7%synergy
Urza's Saga
14%inclusion3 decks22 decks
2%synergy
Mana Artifacts
Sol Ring
100%inclusion22 decks22 decks
14%synergy
Arcane Signet
91%inclusion20 decks22 decks
8%synergy
Azorius Signet
64%inclusion14 decks22 decks
7%synergy
Talisman of Progress
41%inclusion9 decks22 decks
-10%synergy
Commander's Sphere
27%inclusion6 decks22 decks
13%synergy
Thought Vessel
27%inclusion6 decks22 decks
-15%synergy
Fellwar Stone
23%inclusion5 decks22 decks
-6%synergy
Everflowing Chalice
18%inclusion4 decks22 decks
14%synergy
Liquimetal Torque
14%inclusion3 decks22 decks
10%synergy
Gilded Lotus
14%inclusion3 decks22 decks
8%synergy
Decanter of Endless Water
14%inclusion3 decks22 decks
3%synergy
Lands
Command Tower
68%inclusion15 decks22 decks
-17%synergy
Hallowed Fountain
64%inclusion14 decks22 decks
15%synergy
Prairie Stream
59%inclusion13 decks22 decks
-7%synergy
Sea of Clouds
45%inclusion10 decks22 decks
6%synergy
Port Town
45%inclusion10 decks22 decks
-1%synergy
Glacial Fortress
45%inclusion10 decks22 decks
-18%synergy
Irrigated Farmland
36%inclusion8 decks22 decks
16%synergy
Flooded Strand
36%inclusion8 decks22 decks
4%synergy
Azorius Chancery
36%inclusion8 decks22 decks
0%synergy
Deserted Beach
36%inclusion8 decks22 decks
-4%synergy
Adarkar Wastes
36%inclusion8 decks22 decks
-9%synergy
Hengegate Pathway
32%inclusion7 decks22 decks
11%synergy
Nimbus Maze
32%inclusion7 decks22 decks
10%synergy
Mystic Gate
27%inclusion6 decks22 decks
3%synergy
Skycloud Expanse
27%inclusion6 decks22 decks
-8%synergy
Temple of Enlightenment
27%inclusion6 decks22 decks
-10%synergy
Floodfarm Verge
25%inclusion5 decks20 decks
-2%synergy
Myriad Landscape
23%inclusion5 decks22 decks
7%synergy
Misty Rainforest
18%inclusion4 decks22 decks
11%synergy
Terramorphic Expanse
18%inclusion4 decks22 decks
8%synergy
Evolving Wilds
18%inclusion4 decks22 decks
3%synergy
Seachrome Coast
18%inclusion4 decks22 decks
3%synergy
Meticulous Archive
18%inclusion4 decks22 decks
-0%synergy
Arid Mesa
14%inclusion3 decks22 decks
7%synergy
Windswept Heath
14%inclusion3 decks22 decks
7%synergy
Marsh Flats
14%inclusion3 decks22 decks
7%synergy
Scalding Tarn
14%inclusion3 decks22 decks
7%synergy
Idyllic Beachfront
14%inclusion3 decks22 decks
6%synergy
Polluted Delta
14%inclusion3 decks22 decks
6%synergy
Fabled Passage
14%inclusion3 decks22 decks
5%synergy
Exotic Orchard
14%inclusion3 decks22 decks
-14%synergy