Ugin, the Ineffable
Cloud Key
Primordial Mist

   Prerequisites

What do I need to start this combo?
All permanents on the battlefield.
You have a creature card in hand that has Morph or Megamorph. "Creature" chosen with Cloud Key.

   Steps

How does this combo work?
1
Cast the creature using its morph or megamorph cost by paying 0, putting it face-down on the battlefield as a 3/3 creature.
2
Activate Primordial Mist by exiling the face down creature face up, allowing you to cast it this turn.
3
Repeat.

   Results

What do I get from this combo?
Infinite ETB
Infinite LTB
Infinite storm count
Ixidor, Reality Sculptor
27%inclusion87 decks321 decks
Kadena, Slinking Sorcerer
0.6%inclusion44 decks7.20K decks
Volo, Guide to Monsters
0.2%inclusion22 decks9.33K decks
Chulane, Teller of Tales
0.1%inclusion6 decks8.80K decks
Animar, Soul of Elements
0.0%inclusion2 decks21.4K decks
Ezuri, Claw of Progress
0.0%inclusion2 decks7.11K decks
Etrata, Deadly Fugitive
0.1%inclusion2 decks3.23K decks
Missy
0.1%inclusion2 decks2.34K decks
Vannifar, Evolved Enigma
0.1%inclusion2 decks2.76K decks
Jin Sakai, Ghost of Tsushima
0.0%inclusion1 decks10.1K decks
Vela the Night-Clad
0.1%inclusion1 decks786 decks
Azlask, the Swelling Scourge
0.0%inclusion1 decks13.9K decks
Marvo, Deep Operative
0.0%inclusion1 decks7.36K decks
Barrin, Master Wizard
0.5%inclusion1 decks198 decks
Kruphix, God of Horizons
0.0%inclusion1 decks4.14K decks
Tazri, Beacon of Unity
0.0%inclusion1 decks2.68K decks
Atraxa, Grand Unifier
0.0%inclusion1 decks16.3K decks
The Cyber-Controller
0.1%inclusion1 decks1.47K decks
High Synergy Cards
Kaust, Eyes of the Glade
100%inclusion5 decks5 decks
100%synergy
Yarus, Roar of the Old Gods
100%inclusion7 decks7 decks
100%synergy
Rattleclaw Mystic
100%inclusion7 decks7 decks
97%synergy
Den Protector
93%inclusion79 decks85 decks
92%synergy
Obscuring Aether
92%inclusion78 decks85 decks
92%synergy
Ainok Survivalist
92%inclusion78 decks85 decks
91%synergy
Pyrotechnic Performer
90%inclusion9 decks10 decks
90%synergy
Boltbender
90%inclusion9 decks10 decks
90%synergy
Willbender
89%inclusion167 decks188 decks
88%synergy
Kheru Spellsnatcher
84%inclusion158 decks188 decks
84%synergy
Top Cards
Nantuko Vigilante
81%inclusion69 decks85 decks
81%synergy
Dream Chisel
80%inclusion151 decks188 decks
80%synergy
Vesuvan Shapeshifter
80%inclusion151 decks188 decks
80%synergy
Kadena's Silencer
80%inclusion150 decks188 decks
80%synergy
Secret Plans
79%inclusion67 decks85 decks
78%synergy
Icefeather Aven
78%inclusion66 decks85 decks
77%synergy
Thousand Winds
77%inclusion145 decks188 decks
77%synergy
Ugin's Mastery
77%inclusion145 decks188 decks
77%synergy
Ixidron
76%inclusion143 decks188 decks
76%synergy
Stratus Dancer
75%inclusion141 decks188 decks
75%synergy
Game Changers
Seedborn Muse
38%inclusion32 decks85 decks
29%synergy
Cyclonic Rift
16%inclusion30 decks188 decks
-6%synergy
Vampiric Tutor
12%inclusion7 decks60 decks
-3%synergy
Demonic Tutor
12%inclusion7 decks60 decks
-8%synergy
Rhystic Study
10%inclusion19 decks188 decks
-13%synergy
Bolas's Citadel
8.3%inclusion5 decks60 decks
0%synergy
Ancient Tomb
5.3%inclusion10 decks188 decks
-4%synergy
Creatures
Chromeshell Crab
72%inclusion136 decks188 decks
72%synergy
Voidmage Apprentice
69%inclusion129 decks188 decks
68%synergy
Grim Haruspex
68%inclusion41 decks60 decks
65%synergy
Brine Elemental
66%inclusion125 decks188 decks
66%synergy
Mischievous Quanar
64%inclusion121 decks188 decks
64%synergy
Silumgar Assassin
62%inclusion37 decks60 decks
61%synergy
Yedora, Grave Gardener
61%inclusion52 decks85 decks
60%synergy
Printlifter Ooze
59%inclusion50 decks85 decks
58%synergy
Bane of the Living
58%inclusion35 decks60 decks
58%synergy
Hidden Dragonslayer
56%inclusion9 decks16 decks
56%synergy
Aurelia's Vindicator
56%inclusion9 decks16 decks
56%synergy
Aphetto Runecaster
55%inclusion104 decks188 decks
55%synergy
Echo Tracer
54%inclusion102 decks188 decks
54%synergy
Experiment Twelve
53%inclusion45 decks85 decks
53%synergy
Beast Whisperer
53%inclusion45 decks85 decks
43%synergy
Exit Specialist
52%inclusion97 decks188 decks
51%synergy
Deathmist Raptor
49%inclusion42 decks85 decks
49%synergy
Vannifar, Evolved Enigma
49%inclusion42 decks85 decks
49%synergy
Glitch Interpreter
46%inclusion64 decks138 decks
46%synergy
Thieving Amalgam
45%inclusion27 decks60 decks
44%synergy
Whisperwood Elemental
45%inclusion38 decks85 decks
44%synergy
Hauntwoods Shrieker
45%inclusion25 decks56 decks
44%synergy
Unyielding Gatekeeper
44%inclusion7 decks16 decks
44%synergy
Weaver of Lies
44%inclusion82 decks188 decks
44%synergy
Unblinking Bleb
44%inclusion82 decks188 decks
44%synergy
Hooded Hydra
44%inclusion37 decks85 decks
42%synergy
Kozilek, the Broken Reality
43%inclusion74 decks171 decks
43%synergy
Salt Road Ambushers
42%inclusion36 decks85 decks
42%synergy
Jasmine Boreal of the Seven
42%inclusion5 decks12 decks
42%synergy
Nylea, Keen-Eyed
41%inclusion35 decks85 decks
40%synergy
Abhorrent Oculus
41%inclusion55 decks135 decks
40%synergy
Skirk Alarmist
40%inclusion4 decks10 decks
40%synergy
Jeering Instigator
40%inclusion4 decks10 decks
40%synergy
Ruthless Ripper
40%inclusion24 decks60 decks
40%synergy
Skinthinner
38%inclusion23 decks60 decks
38%synergy
Master of the Veil
38%inclusion72 decks188 decks
38%synergy
Fathom Seer
38%inclusion72 decks188 decks
38%synergy
Frontline Strategist
38%inclusion6 decks16 decks
37%synergy
Mistfire Weaver
37%inclusion69 decks188 decks
37%synergy
Silumgar Spell-Eater
35%inclusion66 decks188 decks
35%synergy
Etrata, Deadly Fugitive
35%inclusion21 decks60 decks
34%synergy
Riptide Survivor
35%inclusion65 decks188 decks
35%synergy
Riptide Entrancer
34%inclusion64 decks188 decks
34%synergy
Disruptive Pitmage
34%inclusion63 decks188 decks
33%synergy
Glaring Fleshraker
33%inclusion57 decks171 decks
32%synergy
Thelonite Hermit
33%inclusion28 decks85 decks
33%synergy
Zimone, Mystery Unraveler
32%inclusion18 decks56 decks
32%synergy
Greenbelt Radical
31%inclusion26 decks85 decks
30%synergy
Illithid Harvester
30%inclusion57 decks188 decks
30%synergy
Goblin Maskmaker
30%inclusion3 decks10 decks
30%synergy
Instants
Reality Shift
57%inclusion107 decks188 decks
49%synergy
Path to Exile
44%inclusion7 decks16 decks
-3%synergy
Swords to Plowshares
44%inclusion7 decks16 decks
-17%synergy
Backslide
37%inclusion69 decks188 decks
37%synergy
Cyber Conversion
36%inclusion68 decks188 decks
35%synergy
Become Anonymous
36%inclusion59 decks165 decks
35%synergy
Beast Within
35%inclusion30 decks85 decks
1%synergy
Twist Reality
33%inclusion45 decks136 decks
33%synergy
Counterspell
31%inclusion59 decks188 decks
-10%synergy
Unexplained Absence
31%inclusion5 decks16 decks
31%synergy
Showstopping Surprise
30%inclusion3 decks10 decks
30%synergy
Brainstorm
26%inclusion48 decks188 decks
7%synergy
High Tide
22%inclusion42 decks188 decks
19%synergy
Growth Spiral
21%inclusion18 decks85 decks
1%synergy
Rapid Hybridization
19%inclusion36 decks188 decks
10%synergy
Familiar's Ruse
18%inclusion34 decks188 decks
18%synergy
Putrefy
16%inclusion8 decks49 decks
0%synergy
Arcane Denial
15%inclusion29 decks188 decks
-5%synergy
Pongify
15%inclusion28 decks188 decks
4%synergy
Assassin's Trophy
14%inclusion7 decks49 decks
-16%synergy
Sudden Substitution
12%inclusion23 decks188 decks
12%synergy
Heroic Intervention
12%inclusion10 decks85 decks
-19%synergy
Aetherize
12%inclusion22 decks188 decks
5%synergy
Evacuation
11%inclusion21 decks188 decks
9%synergy
An Offer You Can't Refuse
11%inclusion21 decks188 decks
-14%synergy
Sultai Charm
10%inclusion5 decks49 decks
7%synergy
Golgari Charm
10%inclusion5 decks49 decks
5%synergy
Sink into Stupor
10%inclusion17 decks171 decks
0%synergy
Paradoxical Outcome
10%inclusion18 decks188 decks
9%synergy
Break Down the Door
9.1%inclusion5 decks55 decks
9%synergy
Revitalizing Repast
8.3%inclusion4 decks48 decks
0%synergy
Saw It Coming
7.4%inclusion14 decks188 decks
6%synergy
Negate
7.4%inclusion14 decks188 decks
-13%synergy
Fell the Profane
6.8%inclusion4 decks59 decks
-2%synergy
Malakir Rebirth
6.7%inclusion4 decks60 decks
-1%synergy
Swan Song
5.9%inclusion11 decks188 decks
-12%synergy
Fact or Fiction
5.3%inclusion10 decks188 decks
1%synergy
Mana Drain
5.3%inclusion10 decks188 decks
-9%synergy
Sorceries
Ghastly Conscription
50%inclusion30 decks60 decks
50%synergy
Nature's Lore
47%inclusion40 decks85 decks
16%synergy
Rampant Growth
41%inclusion35 decks85 decks
8%synergy
Three Visits
40%inclusion34 decks85 decks
16%synergy
Farseek
35%inclusion30 decks85 decks
-1%synergy
All Is Dust
30%inclusion57 decks188 decks
29%synergy
Write into Being
28%inclusion52 decks188 decks
28%synergy
Cultivate
27%inclusion23 decks85 decks
-15%synergy
Unnerving Grasp
26%inclusion35 decks135 decks
26%synergy
Dusk // Dawn
25%inclusion4 decks16 decks
21%synergy
Hide in Plain Sight
24%inclusion20 decks85 decks
23%synergy
Shamanic Revelation
22%inclusion19 decks85 decks
15%synergy
Primal Growth
19%inclusion16 decks85 decks
18%synergy
Ponder
19%inclusion35 decks188 decks
7%synergy
Ravenform
18%inclusion33 decks188 decks
16%synergy
Step Through
13%inclusion25 decks188 decks
12%synergy
Bala Ged Recovery
13%inclusion11 decks85 decks
5%synergy
Preordain
13%inclusion24 decks188 decks
4%synergy
Kodama's Reach
12%inclusion10 decks85 decks
-15%synergy
Spectral Deluge
10%inclusion18 decks188 decks
9%synergy
Overwhelming Stampede
9.4%inclusion8 decks85 decks
4%synergy
Valgavoth's Onslaught
9.3%inclusion5 decks54 decks
9%synergy
Toxic Deluge
8.3%inclusion5 decks60 decks
-10%synergy
Fabricate
7.4%inclusion14 decks188 decks
2%synergy
Explore
7.1%inclusion6 decks85 decks
-3%synergy
Profane Tutor
6.7%inclusion4 decks60 decks
5%synergy
Feed the Swarm
6.7%inclusion4 decks60 decks
-9%synergy
Villainous Wealth
6.1%inclusion3 decks49 decks
-1%synergy
Tempt with Discovery
5.9%inclusion5 decks85 decks
2%synergy
Under the Skin
5.5%inclusion3 decks55 decks
5%synergy
Utility Artifacts
Scroll of Fate
74%inclusion140 decks188 decks
74%synergy
Panoptic Projektor
71%inclusion133 decks188 decks
71%synergy
Forsaken Monument
47%inclusion88 decks188 decks
45%synergy
Cryptic Coat
45%inclusion84 decks188 decks
44%synergy
Crystal Shard
39%inclusion73 decks188 decks
38%synergy
Semblance Anvil
37%inclusion69 decks188 decks
36%synergy
Cloudstone Curio
29%inclusion54 decks188 decks
28%synergy
Mystic Forge
28%inclusion53 decks188 decks
25%synergy
Heartstone
27%inclusion51 decks188 decks
27%synergy
Helm of Awakening
21%inclusion39 decks188 decks
20%synergy
Cybership
16%inclusion30 decks188 decks
16%synergy
Cursed Windbreaker
12%inclusion16 decks138 decks
12%synergy
Swiftfoot Boots
11%inclusion20 decks188 decks
-17%synergy
Lightning Greaves
10%inclusion18 decks188 decks
-15%synergy
Wayfarer's Bauble
9.0%inclusion17 decks188 decks
2%synergy
Ashnod's Altar
8.5%inclusion16 decks188 decks
2%synergy
The Great Henge
8.2%inclusion7 decks85 decks
-1%synergy
Sensei's Divining Top
6.9%inclusion13 decks188 decks
2%synergy
Dissection Tools
6.7%inclusion9 decks135 decks
6%synergy
Erratic Portal
6.4%inclusion12 decks188 decks
6%synergy
Vedalken Orrery
6.4%inclusion12 decks188 decks
5%synergy
Sapphire Medallion
6.4%inclusion12 decks188 decks
3%synergy
Bident of Thassa
6.4%inclusion12 decks188 decks
0%synergy
Aetherflux Reservoir
5.9%inclusion11 decks188 decks
3%synergy
Phyrexian Altar
5.9%inclusion11 decks188 decks
2%synergy
Enchantments
Trail of Mystery
71%inclusion60 decks85 decks
70%synergy
Gift of Doom
65%inclusion39 decks60 decks
64%synergy
They Came from the Pipes
64%inclusion89 decks138 decks
64%synergy
True Identity
56%inclusion9 decks16 decks
56%synergy
Veiled Ascension
50%inclusion8 decks16 decks
50%synergy
Mastery of the Unseen
44%inclusion7 decks16 decks
44%synergy
Training Grounds
41%inclusion78 decks188 decks
39%synergy
Wilderness Reclamation
41%inclusion35 decks85 decks
38%synergy
Threats Around Every Corner
40%inclusion22 decks55 decks
39%synergy
Guardian Project
40%inclusion34 decks85 decks
32%synergy
Equilibrium
34%inclusion64 decks188 decks
34%synergy
Muraganda Petroglyphs
27%inclusion23 decks85 decks
27%synergy
Growing Rites of Itlimoc
27%inclusion23 decks85 decks
22%synergy
Cloudform
27%inclusion50 decks188 decks
27%synergy
Heartless Summoning
23%inclusion14 decks60 decks
22%synergy
Teleportation Circle
19%inclusion3 decks16 decks
16%synergy
Leyline of Anticipation
18%inclusion34 decks188 decks
14%synergy
Death in Heaven
13%inclusion8 decks60 decks
13%synergy
Experimental Lab // Staff Room
13%inclusion7 decks54 decks
13%synergy
Growing Dread
11%inclusion6 decks55 decks
10%synergy
Elven Chorus
11%inclusion9 decks85 decks
8%synergy
Mystic Remora
10%inclusion18 decks188 decks
-6%synergy
Beastmaster Ascension
8.2%inclusion7 decks85 decks
3%synergy
Propaganda
6.4%inclusion12 decks188 decks
-8%synergy
Aluren
5.9%inclusion5 decks85 decks
6%synergy
Cryptolith Rite
5.9%inclusion5 decks85 decks
2%synergy
Imprisoned in the Moon
5.3%inclusion10 decks188 decks
2%synergy
Planeswalkers
Vivien, Champion of the Wilds
32%inclusion27 decks85 decks
31%synergy
Ugin, Eye of the Storms
11%inclusion10 decks91 decks
10%synergy
Utility Lands
Zoetic Cavern
84%inclusion157 decks188 decks
83%synergy
Branch of Vitu-Ghazi
69%inclusion129 decks188 decks
68%synergy
Alchemist's Refuge
54%inclusion46 decks85 decks
48%synergy
Tomb of the Spirit Dragon
51%inclusion95 decks188 decks
50%synergy
Reliquary Tower
50%inclusion94 decks188 decks
20%synergy
Bojuka Bog
48%inclusion29 decks60 decks
19%synergy
Riptide Laboratory
41%inclusion77 decks188 decks
39%synergy
Shrine of the Forsaken Gods
40%inclusion76 decks188 decks
39%synergy
Mystic Sanctuary
34%inclusion63 decks188 decks
23%synergy
Novijen, Heart of Progress
25%inclusion21 decks85 decks
24%synergy
Temple of the False God
20%inclusion37 decks188 decks
11%synergy
Castle Vantress
18%inclusion33 decks188 decks
14%synergy
Lumbering Falls
16%inclusion14 decks85 decks
15%synergy
Lonely Sandbar
14%inclusion27 decks188 decks
11%synergy
War Room
14%inclusion27 decks188 decks
9%synergy
Scavenger Grounds
13%inclusion25 decks188 decks
10%synergy
Restless Vinestalk
13%inclusion11 decks85 decks
11%synergy
Ruins of Oran-Rief
13%inclusion24 decks188 decks
12%synergy
Otawara, Soaring City
12%inclusion22 decks188 decks
-5%synergy
Rogue's Passage
11%inclusion20 decks188 decks
-10%synergy
Terrain Generator
10%inclusion19 decks188 decks
9%synergy
Halimar Depths
10%inclusion19 decks188 decks
8%synergy
Homeward Path
9.0%inclusion17 decks188 decks
8%synergy
Boseiju, Who Endures
8.2%inclusion7 decks85 decks
-10%synergy
Academy Ruins
8.0%inclusion15 decks188 decks
3%synergy
Takenuma, Abandoned Mire
6.7%inclusion4 decks60 decks
-2%synergy
Phyrexian Tower
6.7%inclusion4 decks60 decks
-2%synergy
Access Tunnel
6.4%inclusion12 decks188 decks
4%synergy
Thespian's Stage
6.4%inclusion12 decks188 decks
4%synergy
Urza's Saga
5.9%inclusion11 decks188 decks
-1%synergy
Mana Artifacts
Sol Ring
87%inclusion164 decks188 decks
4%synergy
Arcane Signet
67%inclusion126 decks188 decks
-5%synergy
Simic Signet
33%inclusion28 decks85 decks
22%synergy
Thran Dynamo
32%inclusion60 decks188 decks
27%synergy
Talisman of Curiosity
32%inclusion27 decks85 decks
19%synergy
Thought Vessel
30%inclusion56 decks188 decks
12%synergy
Mind Stone
27%inclusion51 decks188 decks
13%synergy
Talisman of Dominance
23%inclusion14 decks60 decks
-9%synergy
Talisman of Resilience
16%inclusion8 decks49 decks
4%synergy
Dimir Signet
15%inclusion9 decks60 decks
-9%synergy
Golgari Signet
12%inclusion6 decks49 decks
2%synergy
Midnight Clock
11%inclusion20 decks188 decks
6%synergy
Sky Diamond
10%inclusion19 decks188 decks
6%synergy
Fellwar Stone
9.0%inclusion17 decks188 decks
-11%synergy
Lands
Opulent Palace
63%inclusion31 decks49 decks
35%synergy
Yavimaya Coast
61%inclusion52 decks85 decks
34%synergy
Ketria Triome
57%inclusion4 decks7 decks
27%synergy
Hinterland Harbor
56%inclusion48 decks85 decks
23%synergy
Rejuvenating Springs
53%inclusion45 decks85 decks
27%synergy
Llanowar Wastes
51%inclusion25 decks49 decks
24%synergy
Luxury Suite
50%inclusion3 decks6 decks
26%synergy
Raffine's Tower
50%inclusion4 decks8 decks
26%synergy
Overgrown Tomb
49%inclusion24 decks49 decks
8%synergy
Command Tower
48%inclusion90 decks188 decks
-26%synergy
Dreamroot Cascade
47%inclusion40 decks85 decks
26%synergy
Breeding Pool
46%inclusion39 decks85 decks
4%synergy
Sunken Hollow
45%inclusion27 decks60 decks
11%synergy
Watery Grave
45%inclusion27 decks60 decks
3%synergy
Simic Growth Chamber
45%inclusion38 decks85 decks
27%synergy
Spire Garden
43%inclusion3 decks7 decks
21%synergy
Stomping Ground
43%inclusion3 decks7 decks
2%synergy
Spara's Headquarters
42%inclusion5 decks12 decks
14%synergy
Canopy Vista
42%inclusion5 decks12 decks
6%synergy
Flooded Grove
40%inclusion34 decks85 decks
25%synergy
Drowned Catacomb
40%inclusion24 decks60 decks
11%synergy
Isolated Chapel
38%inclusion3 decks8 decks
4%synergy
Hallowed Fountain
38%inclusion6 decks16 decks
-2%synergy
Godless Shrine
38%inclusion3 decks8 decks
-4%synergy
Myriad Landscape
36%inclusion68 decks188 decks
20%synergy
Darkwater Catacombs
35%inclusion21 decks60 decks
20%synergy
Woodland Cemetery
35%inclusion17 decks49 decks
2%synergy
Selesnya Sanctuary
33%inclusion4 decks12 decks
21%synergy
Bountiful Promenade
33%inclusion4 decks12 decks
11%synergy
Seaside Citadel
33%inclusion4 decks12 decks
7%synergy
Sunpetal Grove
33%inclusion4 decks12 decks
5%synergy
Temple Garden
33%inclusion4 decks12 decks
-6%synergy
Zagoth Triome
33%inclusion16 decks49 decks
5%synergy
Morphic Pool
32%inclusion19 decks60 decks
8%synergy
Azorius Chancery
31%inclusion5 decks16 decks
18%synergy
Glacial Fortress
31%inclusion5 decks16 decks
-2%synergy
Prairie Stream
31%inclusion5 decks16 decks
-2%synergy
Waterlogged Grove
31%inclusion26 decks85 decks
24%synergy
Shipwreck Marsh
30%inclusion18 decks60 decks
12%synergy
Underground River
30%inclusion18 decks60 decks
7%synergy
Training Center
30%inclusion3 decks10 decks
5%synergy
Steam Vents
30%inclusion3 decks10 decks
-8%synergy
Undergrowth Stadium
29%inclusion14 decks49 decks
5%synergy
Dimir Aqueduct
27%inclusion16 decks60 decks
13%synergy
Treva's Ruins
25%inclusion3 decks12 decks
24%synergy
Brushland
25%inclusion3 decks12 decks
5%synergy
Adarkar Wastes
25%inclusion4 decks16 decks
1%synergy
Botanical Sanctum
25%inclusion21 decks85 decks
20%synergy
Barkchannel Pathway
22%inclusion19 decks85 decks
16%synergy
Vineglimmer Snarl
22%inclusion19 decks85 decks
12%synergy