Obscuring Aether
Ugin, the Ineffable
Cloudstone Curio

   Prerequisites

What do I need to start this combo?
All permanents on the battlefield.
You control a nontoken creature with morph or megamorph. You have a creature card with morph or megamorph in your hand.

   Steps

How does this combo work?
1
Cast the creature card with morph or megamorph from your hand for its morph cost by paying 0.
2
Whenever the face-down creature enters the battlefield, Cloudstone Curio triggers, returning another creature with morph or megamorph to your hand from the battlefield.
3
Repeat.

   Results

What do I get from this combo?
Infinite ETB
Infinite LTB
Infinite storm count
Kadena, Slinking Sorcerer
2.4%inclusion181 decks7.52K decks
Yarus, Roar of the Old Gods
1.9%inclusion71 decks3.69K decks
Kaust, Eyes of the Glade
1.1%inclusion33 decks2.91K decks
Volo, Guide to Monsters
0.1%inclusion12 decks9.95K decks
Azlask, the Swelling Scourge
0.0%inclusion6 decks14.5K decks
Animar, Soul of Elements
0.0%inclusion3 decks22.6K decks
Kraum, Ludevic's Opus // Sidar Kondo of Jamuraa
3.2%inclusion3 decks95 decks
Duskana, the Rage Mother
0.0%inclusion3 decks6.59K decks
Vannifar, Evolved Enigma
0.1%inclusion2 decks2.73K decks
Chulane, Teller of Tales
0.0%inclusion2 decks9.31K decks
Nikya of the Old Ways
0.0%inclusion1 decks3.50K decks
Thrasios, Triton Hero // Vial Smasher the Fierce
0.0%inclusion1 decks4.63K decks
Sisay, Weatherlight Captain
0.0%inclusion1 decks17.8K decks
Omnath, Locus of All
0.0%inclusion1 decks14K decks
Zimone, Mystery Unraveler
0.0%inclusion1 decks14.8K decks
Ludevic, Necro-Alchemist // Sidar Kondo of Jamuraa
0.2%inclusion1 decks463 decks
New Cards
Mana Sculpt
7.1%inclusion2 decks28 decks
Germination Practicum
2.6%inclusion1 decks38 decks
High Synergy Cards
Willbender
93%inclusion198 decks214 decks
Den Protector
93%inclusion298 decks322 decks
Ainok Survivalist
92%inclusion297 decks322 decks
Stratus Dancer
90%inclusion193 decks214 decks
Pyrotechnic Performer
90%inclusion111 decks124 decks
Kadena's Silencer
87%inclusion187 decks214 decks
Vesuvan Shapeshifter
87%inclusion186 decks214 decks
Veiled Ascension
84%inclusion42 decks50 decks
Nantuko Vigilante
84%inclusion270 decks322 decks
Kheru Spellsnatcher
82%inclusion175 decks214 decks
Top Cards
Ixidron
79%inclusion169 decks214 decks
Boltbender
78%inclusion97 decks124 decks
Yedora, Grave Gardener
76%inclusion245 decks322 decks
True Identity
76%inclusion38 decks50 decks
Scroll of Fate
75%inclusion243 decks322 decks
Bane of the Living
74%inclusion141 decks190 decks
Gift of Doom
72%inclusion137 decks190 decks
Icefeather Aven
72%inclusion154 decks214 decks
Brine Elemental
71%inclusion153 decks214 decks
Ashcloud Phoenix
70%inclusion87 decks124 decks
Game Changers
Seedborn Muse
52%inclusion169 decks322 decks
Cyclonic Rift
28%inclusion60 decks214 decks
Jeska's Will
19%inclusion24 decks124 decks
Demonic Tutor
17%inclusion33 decks190 decks
Worldly Tutor
13%inclusion42 decks322 decks
Vampiric Tutor
13%inclusion24 decks190 decks
Ancient Tomb
10%inclusion31 decks322 decks
Thassa's Oracle
7.0%inclusion15 decks214 decks
Gamble
6.5%inclusion8 decks124 decks
Aura Shards
6.0%inclusion3 decks50 decks
Creatures
Unyielding Gatekeeper
70%inclusion35 decks50 decks
Akroma, Angel of Fury
69%inclusion86 decks124 decks
Hidden Dragonslayer
68%inclusion34 decks50 decks
Grim Haruspex
68%inclusion129 decks190 decks
Silumgar Assassin
67%inclusion127 decks190 decks
Deathmist Raptor
66%inclusion214 decks322 decks
Mischievous Quanar
66%inclusion141 decks214 decks
Chromeshell Crab
64%inclusion136 decks214 decks
Voidmage Apprentice
63%inclusion135 decks214 decks
Rattleclaw Mystic
63%inclusion10 decks16 decks
Duskana, the Rage Mother
60%inclusion29 decks48 decks
Printlifter Ooze
57%inclusion183 decks322 decks
Whisperwood Elemental
54%inclusion174 decks322 decks
Hauntwoods Shrieker
53%inclusion152 decks289 decks
Thousand Winds
51%inclusion110 decks214 decks
Experiment Twelve
51%inclusion165 decks322 decks
Aurelia's Vindicator
50%inclusion25 decks50 decks
Vannifar, Evolved Enigma
50%inclusion107 decks214 decks
Beast Whisperer
49%inclusion157 decks322 decks
Missy
44%inclusion4 decks9 decks
Essence of Antiquity
44%inclusion22 decks50 decks
Welcoming Vampire
44%inclusion22 decks50 decks
Animar, Soul of Elements
44%inclusion7 decks16 decks
Ixidor, Reality Sculptor
43%inclusion93 decks214 decks
Exit Specialist
43%inclusion91 decks214 decks
Jasmine Boreal of the Seven
42%inclusion21 decks50 decks
Thieving Amalgam
41%inclusion78 decks190 decks
Echo Tracer
40%inclusion86 decks214 decks
Yarus, Roar of the Old Gods
40%inclusion49 decks124 decks
Jeering Instigator
37%inclusion46 decks124 decks
Hooded Hydra
36%inclusion116 decks322 decks
Ruthless Ripper
34%inclusion65 decks190 decks
Fortune Thief
33%inclusion41 decks124 decks
Skinthinner
33%inclusion62 decks190 decks
Master of Pearls
32%inclusion16 decks50 decks
Nervous Gardener
32%inclusion102 decks322 decks
Temur Sabertooth
31%inclusion101 decks322 decks
Salt Road Ambushers
31%inclusion99 decks322 decks
Zimone, Mystery Unraveler
31%inclusion59 decks193 decks
Sidar Kondo of Jamuraa
30%inclusion15 decks50 decks
Teferi, Mage of Zhalfir
29%inclusion62 decks214 decks
Weaver of Lies
29%inclusion61 decks214 decks
Frontline Strategist
28%inclusion14 decks50 decks
Etrata, Deadly Fugitive
28%inclusion53 decks190 decks
Roshan, Hidden Magister
27%inclusion51 decks190 decks
Curator Beastie
26%inclusion73 decks286 decks
Grazilaxx, Illithid Scholar
25%inclusion54 decks214 decks
Kozilek, the Broken Reality
25%inclusion81 decks322 decks
Ohran Frostfang
25%inclusion81 decks322 decks
Temur War Shaman
25%inclusion80 decks322 decks
Instants
Path to Exile
46%inclusion23 decks50 decks
Showstopping Surprise
46%inclusion57 decks124 decks
Chaos Warp
44%inclusion54 decks124 decks
Expose the Culprit
42%inclusion52 decks124 decks
Reality Shift
40%inclusion86 decks214 decks
Unexplained Absence
40%inclusion20 decks50 decks
Heroic Intervention
36%inclusion117 decks322 decks
Beast Within
34%inclusion109 decks322 decks
Assassin's Trophy
31%inclusion58 decks190 decks
Swords to Plowshares
28%inclusion14 decks50 decks
Counterspell
22%inclusion48 decks214 decks
Putrefy
20%inclusion38 decks190 decks
Become Anonymous
19%inclusion41 decks214 decks
Unwanted Remake
17%inclusion8 decks47 decks
Deflecting Swat
15%inclusion19 decks124 decks
Sudden Substitution
15%inclusion32 decks214 decks
Fierce Guardianship
15%inclusion32 decks214 decks
An Offer You Can't Refuse
14%inclusion31 decks214 decks
Break Down the Door
13%inclusion38 decks286 decks
Turn Inside Out
12%inclusion13 decks111 decks
Swan Song
12%inclusion25 decks214 decks
Growth Spiral
11%inclusion24 decks214 decks
Cyber Conversion
11%inclusion23 decks214 decks
Sink into Stupor
11%inclusion23 decks214 decks
Sultai Charm
11%inclusion20 decks190 decks
Revitalizing Repast
11%inclusion20 decks190 decks
Leadership Vacuum
10%inclusion22 decks214 decks
Arcane Denial
10%inclusion22 decks214 decks
Akroma's Will
10%inclusion5 decks50 decks
Deadly Rollick
10%inclusion19 decks190 decks
Teferi's Protection
10%inclusion5 decks50 decks
Mana Drain
9.3%inclusion20 decks214 decks
Return of the Wildspeaker
9.0%inclusion29 decks322 decks
Fell the Profane
8.9%inclusion17 decks190 decks
Golgari Charm
8.4%inclusion16 decks190 decks
Eerie Interlude
8.0%inclusion4 decks50 decks
Eladamri's Call
8.0%inclusion4 decks50 decks
Biomass Mutation
7.5%inclusion16 decks214 decks
Negate
7.5%inclusion16 decks214 decks
Bolt Bend
7.3%inclusion9 decks124 decks
Twist Reality
6.3%inclusion12 decks190 decks
Backslide
6.1%inclusion13 decks214 decks
Echoing Truth
6.1%inclusion13 decks214 decks
Congregation at Dawn
6.0%inclusion3 decks50 decks
Ephemerate
6.0%inclusion3 decks50 decks
Flawless Maneuver
6.0%inclusion3 decks50 decks
Enlightened Tutor
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Generous Gift
6.0%inclusion3 decks50 decks
Malakir Rebirth
5.8%inclusion11 decks190 decks
Valakut Awakening
5.6%inclusion7 decks124 decks
Sorceries
Nature's Lore
48%inclusion155 decks322 decks
Ghastly Conscription
45%inclusion85 decks190 decks
Three Visits
42%inclusion136 decks322 decks
Austere Command
42%inclusion21 decks50 decks
Farseek
41%inclusion133 decks322 decks
Blasphemous Act
40%inclusion49 decks124 decks
Hide in Plain Sight
34%inclusion108 decks322 decks
Cultivate
29%inclusion92 decks322 decks
Fell the Mighty
24%inclusion12 decks50 decks
Valgavoth's Onslaught
21%inclusion61 decks286 decks
Rampant Growth
20%inclusion64 decks322 decks
Under the Skin
16%inclusion47 decks286 decks
Dusk // Dawn
16%inclusion8 decks50 decks
All Is Dust
14%inclusion45 decks322 decks
Bala Ged Recovery
14%inclusion44 decks322 decks
Kodama's Reach
14%inclusion44 decks322 decks
Stump Stomp
13%inclusion16 decks124 decks
Overwhelming Stampede
12%inclusion39 decks322 decks
Decimate
12%inclusion15 decks124 decks
Chain Reaction
8.1%inclusion10 decks124 decks
Toxic Deluge
7.9%inclusion15 decks190 decks
Triumph of the Hordes
7.8%inclusion25 decks322 decks
Villainous Wealth
6.8%inclusion13 decks190 decks
Vandalblast
6.5%inclusion8 decks124 decks
Faithless Looting
6.5%inclusion8 decks124 decks
Manifest Dread
5.9%inclusion17 decks286 decks
Road of Return
5.9%inclusion19 decks322 decks
Tempt with Discovery
5.3%inclusion17 decks322 decks
Scheming Symmetry
5.3%inclusion10 decks190 decks
Utility Artifacts
Dream Chisel
70%inclusion224 decks322 decks
Panoptic Projektor
66%inclusion213 decks322 decks
Ashnod's Altar
32%inclusion103 decks322 decks
Forsaken Monument
30%inclusion97 decks322 decks
Mystic Forge
25%inclusion79 decks322 decks
Semblance Anvil
21%inclusion67 decks322 decks
Lightning Greaves
20%inclusion66 decks322 decks
Vedalken Orrery
18%inclusion59 decks322 decks
Cloud Key
17%inclusion56 decks322 decks
Phyrexian Altar
16%inclusion53 decks322 decks
Swiftfoot Boots
15%inclusion48 decks322 decks
Crystal Shard
13%inclusion27 decks214 decks
Cryptic Coat
12%inclusion25 decks214 decks
The Great Henge
11%inclusion35 decks322 decks
Strionic Resonator
9.3%inclusion30 decks322 decks
Altar of Dementia
8.1%inclusion26 decks322 decks
Sensei's Divining Top
7.5%inclusion24 decks322 decks
Dissection Tools
7.0%inclusion20 decks286 decks
Lifecrafter's Bestiary
6.8%inclusion22 decks322 decks
Blasting Station
6.5%inclusion21 decks322 decks
Helm of Awakening
6.5%inclusion21 decks322 decks
Altar of the Brood
5.3%inclusion17 decks322 decks
Enchantments
Primordial Mist
70%inclusion150 decks214 decks
Secret Plans
69%inclusion148 decks214 decks
Ugin's Mastery
69%inclusion222 decks322 decks
Mastery of the Unseen
68%inclusion34 decks50 decks
Trail of Mystery
65%inclusion209 decks322 decks
Leyline of Anticipation
58%inclusion124 decks214 decks
They Came from the Pipes
47%inclusion90 decks190 decks
Goblin Bombardment
47%inclusion58 decks124 decks
Threats Around Every Corner
44%inclusion126 decks286 decks
Rhythm of the Wild
40%inclusion50 decks124 decks
Guardian Project
38%inclusion123 decks322 decks
Wilderness Reclamation
33%inclusion106 decks322 decks
Heartless Summoning
29%inclusion56 decks190 decks
Equilibrium
28%inclusion59 decks214 decks
Elven Chorus
25%inclusion82 decks322 decks
Assemble the Players
22%inclusion11 decks50 decks
Impact Tremors
21%inclusion26 decks124 decks
Rhystic Study
18%inclusion39 decks214 decks
Growing Rites of Itlimoc
15%inclusion47 decks322 decks
Cryptolith Rite
14%inclusion45 decks322 decks
Shadow in the Warp
14%inclusion17 decks124 decks
Words of Wind
12%inclusion26 decks214 decks
Experimental Lab // Staff Room
12%inclusion34 decks286 decks
Evolutionary Leap
12%inclusion38 decks322 decks
Beastmaster Ascension
11%inclusion36 decks322 decks
Wild Growth
11%inclusion34 decks322 decks
Break Through the Line
10%inclusion13 decks124 decks
Lightform
10%inclusion5 decks50 decks
Muraganda Petroglyphs
10%inclusion32 decks322 decks
Mystic Remora
8.9%inclusion19 decks214 decks
Sylvan Library
8.4%inclusion27 decks322 decks
Growing Dread
7.4%inclusion14 decks190 decks
Ticket Booth // Tunnel of Hate
6.4%inclusion7 decks110 decks
Reconnaissance
6.0%inclusion3 decks50 decks
Mirari's Wake
6.0%inclusion3 decks50 decks
Exploration
5.9%inclusion19 decks322 decks
Planeswalkers
Vivien, Champion of the Wilds
38%inclusion121 decks322 decks
Ugin, Eye of the Storms
17%inclusion36 decks216 decks
Utility Lands
Zoetic Cavern
70%inclusion225 decks322 decks
Branch of Vitu-Ghazi
64%inclusion206 decks322 decks
Reliquary Tower
54%inclusion174 decks322 decks
Alchemist's Refuge
52%inclusion111 decks214 decks
Bojuka Bog
45%inclusion85 decks190 decks
Kessig Wolf Run
42%inclusion52 decks124 decks
Shrine of the Forsaken Gods
31%inclusion101 decks322 decks
Tomb of the Spirit Dragon
28%inclusion90 decks322 decks
Yavimaya, Cradle of Growth
23%inclusion73 decks322 decks
Temple of the False God
20%inclusion65 decks322 decks
Boseiju, Who Endures
16%inclusion50 decks322 decks
Otawara, Soaring City
12%inclusion26 decks214 decks
Urborg, Tomb of Yawgmoth
11%inclusion36 decks322 decks
Mosswort Bridge
10%inclusion31 decks322 decks
High Market
8.7%inclusion28 decks322 decks
Winding Canyons
8.1%inclusion26 decks322 decks
Gavony Township
8.0%inclusion4 decks50 decks
Rogue's Passage
7.5%inclusion24 decks322 decks
Takenuma, Abandoned Mire
6.8%inclusion13 decks190 decks
Cabal Coffers
6.3%inclusion12 decks190 decks
Thespian's Stage
6.2%inclusion20 decks322 decks
Castle Garenbrig
5.6%inclusion18 decks322 decks
Access Tunnel
5.3%inclusion17 decks322 decks
Riptide Laboratory
5.1%inclusion11 decks214 decks
Mana Artifacts
Sol Ring
86%inclusion278 decks322 decks
Arcane Signet
71%inclusion229 decks322 decks
Talisman of Curiosity
21%inclusion44 decks214 decks
Talisman of Impulse
18%inclusion22 decks124 decks
Talisman of Dominance
16%inclusion31 decks190 decks
Thought Vessel
16%inclusion52 decks322 decks
Talisman of Resilience
16%inclusion30 decks190 decks
Simic Signet
15%inclusion32 decks214 decks
Gruul Signet
15%inclusion18 decks124 decks
Fellwar Stone
11%inclusion34 decks322 decks
Thran Dynamo
9.3%inclusion30 decks322 decks
Dimir Signet
8.9%inclusion17 decks190 decks
Golgari Signet
7.9%inclusion15 decks190 decks
Chromatic Lantern
6.2%inclusion20 decks322 decks
Lands
Command Tower
93%inclusion300 decks322 decks
Cinder Glade
68%inclusion84 decks124 decks
Overgrown Tomb
65%inclusion123 decks190 decks
Breeding Pool
64%inclusion136 decks214 decks
Watery Grave
63%inclusion120 decks190 decks
Canopy Vista
62%inclusion31 decks50 decks
Spara's Headquarters
57%inclusion8 decks14 decks
Stomping Ground
56%inclusion70 decks124 decks
Zagoth Triome
52%inclusion99 decks190 decks
Rootbound Crag
52%inclusion64 decks124 decks
Exotic Orchard
51%inclusion163 decks322 decks
Ketria Triome
50%inclusion8 decks16 decks
Jungle Shrine
50%inclusion24 decks48 decks
Yavimaya Coast
49%inclusion105 decks214 decks
Hinterland Harbor
46%inclusion98 decks214 decks
Opulent Palace
46%inclusion87 decks190 decks
Ziatora's Proving Ground
44%inclusion4 decks9 decks
Hallowed Fountain
43%inclusion6 decks14 decks
Llanowar Wastes
43%inclusion81 decks190 decks
Sunken Hollow
43%inclusion81 decks190 decks
Game Trail
42%inclusion52 decks124 decks
Rockfall Vale
41%inclusion51 decks124 decks
Temple Garden
40%inclusion20 decks50 decks
Karplusan Forest
38%inclusion47 decks124 decks
The World Tree
38%inclusion3 decks8 decks
Indatha Triome
38%inclusion3 decks8 decks
Jetmir's Garden
38%inclusion18 decks48 decks
Sacred Foundry
38%inclusion18 decks48 decks
Rejuvenating Springs
37%inclusion80 decks214 decks
Furycalm Snarl
35%inclusion17 decks48 decks
Woodland Cemetery
35%inclusion66 decks190 decks
Xander's Lounge
33%inclusion3 decks9 decks
Raugrin Triome
33%inclusion4 decks12 decks
Morphic Pool
33%inclusion63 decks190 decks
Undergrowth Stadium
33%inclusion62 decks190 decks
Fortified Village
32%inclusion16 decks50 decks
Drowned Catacomb
32%inclusion60 decks190 decks
Temple of Abandon
31%inclusion39 decks124 decks
Gruul Turf
31%inclusion39 decks124 decks
Clifftop Retreat
31%inclusion15 decks48 decks
Sungrass Prairie
30%inclusion15 decks50 decks
Spire Garden
30%inclusion37 decks124 decks
Misty Rainforest
30%inclusion95 decks322 decks
Sunpetal Grove
28%inclusion14 decks50 decks
Commercial District
27%inclusion33 decks124 decks
Sheltered Thicket
27%inclusion33 decks124 decks
Verdant Catacombs
26%inclusion83 decks322 decks
Underground River
25%inclusion48 decks190 decks
Simic Growth Chamber
25%inclusion54 decks214 decks
Polluted Delta
25%inclusion81 decks322 decks