Cloudstone Curio
Ugin, the Ineffable
Herald of Kozilek

   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
Ulalek, Fused Atrocity
0.4%inclusion91 decks24.8K decks
Animar, Soul of Elements
0.2%inclusion42 decks21K decks
Morophon, the Boundless
0.2%inclusion28 decks13.2K decks
Azlask, the Swelling Scourge
0.1%inclusion12 decks13.2K decks
Garth One-Eye
0.0%inclusion2 decks4.82K decks
Eshki, Temur's Roar
0.0%inclusion1 decks9.86K decks
Kenrith, the Returned King
0.0%inclusion1 decks27.6K decks
Intet, the Dreamer
0.1%inclusion1 decks1K decks
Rograkh, Son of Rohgahh // Silas Renn, Seeker Adept
0.0%inclusion1 decks6.46K decks
Surrak Dragonclaw
0.0%inclusion1 decks2.07K decks
Yidris, Maelstrom Wielder
0.0%inclusion1 decks8.29K decks
New Cards
Chronicle of Victory
8.3%inclusion1 decks12 decks
6%synergy
High Synergy Cards
Eldrazi Temple
89%inclusion161 decks181 decks
88%synergy
All Is Dust
84%inclusion152 decks181 decks
82%synergy
Glaring Fleshraker
80%inclusion132 decks164 decks
79%synergy
Forsaken Monument
80%inclusion145 decks181 decks
78%synergy
Echoes of Eternity
75%inclusion123 decks164 decks
74%synergy
Conduit of Ruin
72%inclusion131 decks181 decks
72%synergy
Eye of Ugin
70%inclusion127 decks181 decks
70%synergy
Kozilek's Unsealing
69%inclusion115 decks166 decks
68%synergy
Shrine of the Forsaken Gods
69%inclusion124 decks181 decks
67%synergy
Ulamog, the Ceaseless Hunger
67%inclusion121 decks181 decks
66%synergy
Top Cards
Urza's Incubator
69%inclusion125 decks181 decks
66%synergy
Sire of Stagnation
67%inclusion91 decks136 decks
64%synergy
Ugin's Binding
65%inclusion106 decks162 decks
65%synergy
From Beyond
62%inclusion111 decks180 decks
61%synergy
Ulamog, the Defiler
62%inclusion101 decks164 decks
61%synergy
Oblivion Sower
60%inclusion108 decks181 decks
59%synergy
Kozilek, the Great Distortion
59%inclusion107 decks181 decks
58%synergy
Kozilek, Butcher of Truth
59%inclusion107 decks181 decks
58%synergy
Eldritch Immunity
59%inclusion95 decks162 decks
58%synergy
Artisan of Kozilek
58%inclusion105 decks181 decks
57%synergy
Game Changers
Ancient Tomb
33%inclusion60 decks181 decks
24%synergy
Rhystic Study
29%inclusion53 decks181 decks
5%synergy
Demonic Tutor
26%inclusion36 decks136 decks
7%synergy
Smothering Tithe
25%inclusion33 decks134 decks
3%synergy
Fierce Guardianship
21%inclusion38 decks181 decks
3%synergy
Mana Vault
20%inclusion37 decks181 decks
15%synergy
Vampiric Tutor
20%inclusion27 decks136 decks
5%synergy
The One Ring
13%inclusion24 decks181 decks
5%synergy
Grim Monolith
7.7%inclusion14 decks181 decks
6%synergy
Field of the Dead
5.5%inclusion10 decks181 decks
3%synergy
Creatures
It That Heralds the End
57%inclusion104 decks181 decks
57%synergy
Spawnbed Protector
56%inclusion91 decks162 decks
56%synergy
Ulamog, the Infinite Gyre
53%inclusion96 decks181 decks
52%synergy
Eldrazi Displacer
53%inclusion71 decks134 decks
52%synergy
World Breaker
52%inclusion94 decks180 decks
51%synergy
Sowing Mycospawn
50%inclusion82 decks163 decks
49%synergy
Nulldrifter
50%inclusion83 decks167 decks
48%synergy
Void Winnower
49%inclusion89 decks181 decks
48%synergy
Zhulodok, Void Gorger
49%inclusion88 decks181 decks
48%synergy
Hideous Taskmaster
48%inclusion79 decks164 decks
47%synergy
Snapping Voidcraw
45%inclusion72 decks161 decks
43%synergy
It That Betrays
44%inclusion80 decks181 decks
43%synergy
Endbringer
43%inclusion77 decks181 decks
42%synergy
Flayer of Loyalties
41%inclusion75 decks181 decks
41%synergy
Emrakul, the Promised End
41%inclusion74 decks181 decks
40%synergy
Kozilek, the Broken Reality
41%inclusion67 decks164 decks
40%synergy
Skittering Cicada
38%inclusion69 decks181 decks
38%synergy
Emrakul, the World Anew
38%inclusion68 decks181 decks
37%synergy
Roaming Throne
36%inclusion66 decks181 decks
30%synergy
Catacomb Sifter
36%inclusion49 decks135 decks
35%synergy
Chittering Dispatcher
36%inclusion58 decks161 decks
35%synergy
Writhing Chrysalis
34%inclusion55 decks163 decks
33%synergy
Deepfathom Skulker
34%inclusion61 decks181 decks
33%synergy
Wastescape Battlemage
34%inclusion54 decks161 decks
32%synergy
Morophon, the Boundless
31%inclusion41 decks134 decks
17%synergy
Drowner of Hope
28%inclusion51 decks181 decks
28%synergy
Brood Monitor
28%inclusion50 decks180 decks
27%synergy
Liberator, Urza's Battlethopter
28%inclusion50 decks181 decks
26%synergy
Void Grafter
27%inclusion48 decks180 decks
26%synergy
Benthic Anomaly
26%inclusion42 decks162 decks
25%synergy
Sifter of Skulls
26%inclusion35 decks136 decks
25%synergy
Flayer Drone
24%inclusion33 decks136 decks
24%synergy
Forerunner of Slaughter
24%inclusion32 decks136 decks
23%synergy
Spawn-Gang Commander
23%inclusion39 decks167 decks
23%synergy
Eyeless Watcher
22%inclusion40 decks180 decks
22%synergy
Sire of Seven Deaths
21%inclusion25 decks119 decks
20%synergy
Thief of Existence
21%inclusion34 decks163 decks
21%synergy
Birds of Paradise
20%inclusion36 decks180 decks
-8%synergy
Azlask, the Swelling Scourge
20%inclusion24 decks121 decks
18%synergy
Bismuth Mindrender
18%inclusion22 decks122 decks
18%synergy
Ancestral Statue
18%inclusion32 decks181 decks
17%synergy
Ulamog's Dreadsire
17%inclusion28 decks162 decks
17%synergy
Endless One
17%inclusion31 decks181 decks
17%synergy
Anticausal Vestige
17%inclusion7 decks41 decks
16%synergy
Ulamog's Nullifier
17%inclusion23 decks136 decks
17%synergy
Smothering Abomination
16%inclusion22 decks136 decks
15%synergy
Breaker of Creation
16%inclusion27 decks167 decks
16%synergy
Ultima, Origin of Oblivion
16%inclusion9 decks56 decks
16%synergy
Jodah, Archmage Eternal
16%inclusion21 decks134 decks
13%synergy
Herigast, Erupting Nullkite
16%inclusion26 decks167 decks
15%synergy
Instants
Kozilek's Command
54%inclusion88 decks162 decks
54%synergy
Null Elemental Blast
39%inclusion65 decks167 decks
38%synergy
Eldrazi Confluence
31%inclusion50 decks162 decks
30%synergy
Titan's Presence
27%inclusion49 decks181 decks
27%synergy
Warping Wail
23%inclusion42 decks181 decks
22%synergy
Not of This World
22%inclusion40 decks181 decks
21%synergy
Kozilek's Return
20%inclusion37 decks181 decks
20%synergy
Mana Drain
20%inclusion37 decks181 decks
6%synergy
Cyclonic Rift
19%inclusion35 decks181 decks
-3%synergy
Desecrate Reality
19%inclusion34 decks181 decks
18%synergy
Return of the Wildspeaker
18%inclusion33 decks180 decks
7%synergy
Heroic Intervention
16%inclusion28 decks180 decks
-15%synergy
Counterspell
15%inclusion28 decks181 decks
-26%synergy
Void Shatter
15%inclusion27 decks181 decks
15%synergy
Abstruse Appropriation
15%inclusion18 decks121 decks
13%synergy
Worldly Tutor
14%inclusion26 decks180 decks
2%synergy
Swords to Plowshares
13%inclusion18 decks134 decks
-48%synergy
Enlightened Tutor
13%inclusion17 decks134 decks
-3%synergy
Spell Shrivel
12%inclusion22 decks181 decks
12%synergy
Deflecting Swat
12%inclusion22 decks181 decks
-5%synergy
Crib Swap
11%inclusion15 decks134 decks
10%synergy
Unfathomable Truths
9.2%inclusion15 decks163 decks
9%synergy
Crop Rotation
8.3%inclusion15 decks180 decks
-2%synergy
Assassin's Trophy
6.7%inclusion9 decks135 decks
-24%synergy
An Offer You Can't Refuse
6.1%inclusion11 decks181 decks
-18%synergy
Despark
6.0%inclusion8 decks134 decks
-8%synergy
Eladamri's Call
5.2%inclusion7 decks134 decks
-4%synergy
Teferi's Protection
5.2%inclusion7 decks134 decks
-12%synergy
Path to Exile
5.2%inclusion7 decks134 decks
-42%synergy
Sorceries
Rise of the Eldrazi
33%inclusion59 decks181 decks
32%synergy
Selective Obliteration
20%inclusion33 decks162 decks
20%synergy
Sylvan Scrying
19%inclusion35 decks180 decks
17%synergy
Farseek
19%inclusion34 decks180 decks
-17%synergy
Ancient Stirrings
18%inclusion32 decks180 decks
17%synergy
Cultivate
17%inclusion31 decks180 decks
-25%synergy
Tempt with Discovery
15%inclusion27 decks180 decks
11%synergy
Nature's Lore
15%inclusion27 decks180 decks
-17%synergy
Calamity of the Titans
15%inclusion27 decks181 decks
15%synergy
Three Visits
13%inclusion24 decks180 decks
-11%synergy
Kodama's Reach
12%inclusion22 decks180 decks
-15%synergy
Skittering Invasion
12%inclusion22 decks181 decks
12%synergy
Rishkar's Expertise
8.3%inclusion15 decks180 decks
-1%synergy
Rampant Growth
7.8%inclusion14 decks180 decks
-25%synergy
Wargate
7.5%inclusion10 decks134 decks
5%synergy
Last March of the Ents
7.2%inclusion13 decks180 decks
4%synergy
Painful Truths
5.1%inclusion7 decks136 decks
3%synergy
Toxic Deluge
5.1%inclusion7 decks136 decks
-13%synergy
Utility Artifacts
Mystic Forge
49%inclusion89 decks181 decks
46%synergy
Herald's Horn
39%inclusion71 decks181 decks
33%synergy
Lightning Greaves
28%inclusion51 decks181 decks
3%synergy
Fist of Suns
28%inclusion37 decks134 decks
22%synergy
Darksteel Monolith
23%inclusion42 decks181 decks
22%synergy
The Great Henge
19%inclusion34 decks180 decks
9%synergy
Eldrazi Monument
19%inclusion34 decks181 decks
18%synergy
Sensei's Divining Top
18%inclusion33 decks181 decks
14%synergy
Expedition Map
16%inclusion29 decks181 decks
13%synergy
Skullclamp
15%inclusion27 decks181 decks
4%synergy
Idol of False Gods
15%inclusion24 decks163 decks
14%synergy
Swiftfoot Boots
14%inclusion26 decks181 decks
-13%synergy
Vanquisher's Banner
13%inclusion23 decks181 decks
9%synergy
Strionic Resonator
12%inclusion21 decks181 decks
9%synergy
Ashnod's Altar
8.8%inclusion16 decks181 decks
2%synergy
Ozolith, the Shattered Spire
7.8%inclusion14 decks180 decks
3%synergy
The Endstone
7.3%inclusion3 decks41 decks
7%synergy
Lithoform Engine
7.2%inclusion13 decks181 decks
6%synergy
Vedalken Orrery
7.2%inclusion13 decks181 decks
6%synergy
Rings of Brighthearth
7.2%inclusion13 decks181 decks
6%synergy
Chimil, the Inner Sun
7.2%inclusion13 decks181 decks
6%synergy
Voltaic Key
6.6%inclusion12 decks181 decks
6%synergy
Mirage Mirror
6.6%inclusion12 decks181 decks
5%synergy
Mithril Coat
6.6%inclusion12 decks181 decks
2%synergy
Idol of Oblivion
6.6%inclusion12 decks181 decks
2%synergy
Maskwood Nexus
6.1%inclusion11 decks181 decks
3%synergy
Moonsilver Key
5.5%inclusion10 decks181 decks
4%synergy
The Ozolith
5.5%inclusion10 decks181 decks
2%synergy
Enchantments
Path of Annihilation
48%inclusion79 decks163 decks
48%synergy
Awakening Zone
47%inclusion85 decks180 decks
45%synergy
Kindred Discovery
25%inclusion46 decks181 decks
19%synergy
Garruk's Uprising
25%inclusion45 decks180 decks
8%synergy
Rhythm of the Wild
24%inclusion44 decks180 decks
2%synergy
Temur Ascendancy
24%inclusion43 decks180 decks
9%synergy
Up the Beanstalk
23%inclusion42 decks180 decks
20%synergy
Spreading Plague
18%inclusion25 decks136 decks
18%synergy
Eldrazi Conscription
17%inclusion30 decks181 decks
16%synergy
Cryptolith Rite
14%inclusion26 decks180 decks
11%synergy
Leyline of Mutation
14%inclusion13 decks93 decks
10%synergy
Mana Maze
13%inclusion23 decks181 decks
13%synergy
Molten Nursery
12%inclusion21 decks181 decks
12%synergy
Reflections of Littjara
10%inclusion18 decks181 decks
6%synergy
Hardened Scales
9.4%inclusion17 decks180 decks
-1%synergy
Sylvan Library
8.9%inclusion16 decks180 decks
0%synergy
Food Chain
7.8%inclusion14 decks180 decks
6%synergy
Parallel Lives
7.8%inclusion14 decks180 decks
1%synergy
Mana Echoes
7.7%inclusion14 decks181 decks
7%synergy
Monstrous Vortex
7.4%inclusion12 decks162 decks
6%synergy
Descendants' Path
6.7%inclusion12 decks180 decks
5%synergy
Annie Joins Up
6.2%inclusion8 decks129 decks
-7%synergy
Doubling Season
6.1%inclusion11 decks180 decks
-4%synergy
Elemental Bond
5.6%inclusion10 decks180 decks
1%synergy
Mystic Remora
5.5%inclusion10 decks181 decks
-11%synergy
Anointed Procession
5.2%inclusion7 decks134 decks
-2%synergy
Planeswalkers
Ugin, Eye of the Storms
49%inclusion36 decks73 decks
48%synergy
Ugin, the Spirit Dragon
29%inclusion52 decks181 decks
28%synergy
Ashiok, Dream Render
5.1%inclusion7 decks136 decks
2%synergy
Utility Lands
Sanctum of Ugin
61%inclusion111 decks181 decks
61%synergy
Reliquary Tower
48%inclusion86 decks181 decks
18%synergy
Ugin's Labyrinth
47%inclusion78 decks167 decks
46%synergy
Urza's Power Plant
46%inclusion84 decks181 decks
45%synergy
Urza's Tower
46%inclusion84 decks181 decks
45%synergy
Urza's Mine
45%inclusion82 decks181 decks
44%synergy
Tomb of the Spirit Dragon
41%inclusion74 decks181 decks
40%synergy
Cascading Cataracts
34%inclusion62 decks181 decks
33%synergy
Temple of the False God
27%inclusion48 decks181 decks
17%synergy
Bonders' Enclave
22%inclusion39 decks181 decks
19%synergy
Yavimaya, Cradle of Growth
20%inclusion36 decks181 decks
11%synergy
Urza's Saga
19%inclusion35 decks181 decks
12%synergy
Urza's Workshop
15%inclusion28 decks181 decks
15%synergy
Three Tree City
15%inclusion22 decks144 decks
10%synergy
Rogue's Passage
14%inclusion25 decks181 decks
-6%synergy
Spawning Bed
13%inclusion24 decks181 decks
13%synergy
Emergence Zone
13%inclusion24 decks181 decks
11%synergy
Thespian's Stage
13%inclusion24 decks181 decks
11%synergy
Boseiju, Who Endures
11%inclusion19 decks180 decks
-8%synergy
Vesuva
10%inclusion19 decks181 decks
9%synergy
Guildless Commons
9.4%inclusion17 decks181 decks
8%synergy
Urborg, Tomb of Yawgmoth
9.4%inclusion17 decks181 decks
0%synergy
Inventors' Fair
8.8%inclusion16 decks181 decks
5%synergy
Bojuka Bog
8.8%inclusion12 decks136 decks
-21%synergy
Otawara, Soaring City
8.3%inclusion15 decks181 decks
-8%synergy
Evendo, Waking Haven
7.5%inclusion3 decks40 decks
3%synergy
Ruins of Oran-Rief
7.2%inclusion13 decks181 decks
7%synergy
Fountainport
7.0%inclusion10 decks142 decks
5%synergy
Trenchpost
6.2%inclusion10 decks162 decks
6%synergy
Alchemist's Refuge
6.1%inclusion11 decks180 decks
0%synergy
Tectonic Edge
6.1%inclusion11 decks181 decks
6%synergy
Command Beacon
6.1%inclusion11 decks181 decks
1%synergy
Glimmerpost
5.5%inclusion10 decks181 decks
5%synergy
Cloudpost
5.5%inclusion10 decks181 decks
5%synergy
Deserted Temple
5.5%inclusion10 decks181 decks
5%synergy
Homeward Path
5.5%inclusion10 decks181 decks
4%synergy
Mana Artifacts
Sol Ring
98%inclusion178 decks181 decks
15%synergy
Arcane Signet
75%inclusion136 decks181 decks
3%synergy
Chromatic Lantern
44%inclusion80 decks181 decks
36%synergy
Thran Dynamo
43%inclusion77 decks181 decks
38%synergy
Basalt Monolith
39%inclusion71 decks181 decks
37%synergy
Talisman of Curiosity
36%inclusion65 decks180 decks
23%synergy
Talisman of Impulse
29%inclusion53 decks180 decks
19%synergy
Talisman of Resilience
23%inclusion31 decks135 decks
10%synergy
Talisman of Dominance
18%inclusion24 decks136 decks
-15%synergy
Everflowing Chalice
17%inclusion31 decks181 decks
13%synergy
Talisman of Creativity
17%inclusion31 decks181 decks
-11%synergy
Chromatic Orrery
16%inclusion29 decks181 decks
15%synergy
Fellwar Stone
16%inclusion29 decks181 decks
-4%synergy
Thought Vessel
15%inclusion28 decks181 decks
-2%synergy
Hedron Archive
12%inclusion22 decks181 decks
10%synergy
The Eternity Elevator
10%inclusion4 decks41 decks
8%synergy
Talisman of Unity
10%inclusion13 decks134 decks
2%synergy
Mana Crypt
8.3%inclusion15 decks181 decks
6%synergy
Timeless Lotus
7.5%inclusion10 decks134 decks
-3%synergy
Worn Powerstone
7.2%inclusion13 decks181 decks
5%synergy
Dreamstone Hedron
6.1%inclusion11 decks181 decks
5%synergy
Talisman of Hierarchy
6.0%inclusion8 decks134 decks
-20%synergy
Talisman of Indulgence
5.9%inclusion8 decks136 decks
-22%synergy
Commander's Sphere
5.5%inclusion10 decks181 decks
-7%synergy
Lands
Command Tower
91%inclusion165 decks181 decks
17%synergy
Yavimaya Coast
59%inclusion107 decks180 decks
32%synergy
Karplusan Forest
54%inclusion97 decks180 decks
34%synergy
Shivan Reef
54%inclusion97 decks181 decks
24%synergy
Llanowar Wastes
53%inclusion72 decks135 decks
27%synergy
Underground River
50%inclusion68 decks136 decks
27%synergy
Exotic Orchard
48%inclusion87 decks181 decks
12%synergy
Brushland
47%inclusion63 decks134 decks
28%synergy
Adarkar Wastes
45%inclusion60 decks134 decks
21%synergy
Corrupted Crossroads
44%inclusion79 decks181 decks
43%synergy
Cavern of Souls
43%inclusion77 decks181 decks
35%synergy
Sulfurous Springs
42%inclusion57 decks136 decks
18%synergy
Unclaimed Territory
41%inclusion75 decks181 decks
37%synergy
Secluded Courtyard
40%inclusion73 decks181 decks
36%synergy
Battlefield Forge
39%inclusion52 decks134 decks
10%synergy
Path of Ancestry
39%inclusion70 decks181 decks
17%synergy
Caves of Koilos
35%inclusion47 decks134 decks
6%synergy
The World Tree
34%inclusion46 decks134 decks
6%synergy
Ketria Triome
28%inclusion51 decks180 decks
-2%synergy
Breeding Pool
28%inclusion51 decks180 decks
-13%synergy
Wooded Foothills
27%inclusion49 decks181 decks
16%synergy
Misty Rainforest
27%inclusion49 decks181 decks
16%synergy
Urza's Cave
26%inclusion44 decks167 decks
24%synergy
Stomping Ground
25%inclusion45 decks180 decks
-16%synergy
Reflecting Pool
23%inclusion41 decks181 decks
17%synergy
Mana Confluence
21%inclusion38 decks181 decks
14%synergy
City of Brass
21%inclusion38 decks181 decks
14%synergy
Scalding Tarn
21%inclusion38 decks181 decks
10%synergy
Steam Vents
21%inclusion38 decks181 decks
-17%synergy
Opal Palace
18%inclusion33 decks181 decks
16%synergy
Twisted Landscape
15%inclusion18 decks121 decks
5%synergy
Planar Nexus
14%inclusion24 decks167 decks
14%synergy
Tranquil Landscape
14%inclusion17 decks120 decks
6%synergy
Zagoth Triome
14%inclusion19 decks135 decks
-14%synergy
Tropical Island
14%inclusion25 decks180 decks
0%synergy
Spire Garden
14%inclusion25 decks180 decks
-8%synergy
Taiga
13%inclusion24 decks180 decks
0%synergy
Windswept Heath
13%inclusion24 decks181 decks
2%synergy
Bountiful Landscape
13%inclusion21 decks161 decks
4%synergy
Frontier Bivouac
13%inclusion23 decks180 decks
-16%synergy
Bloodstained Mire
12%inclusion22 decks181 decks
1%synergy
Polluted Delta
12%inclusion22 decks181 decks
0%synergy
Bayou
12%inclusion16 decks135 decks
-2%synergy
Overgrown Tomb
12%inclusion16 decks135 decks
-29%synergy
Rejuvenating Springs
12%inclusion21 decks180 decks
-15%synergy
Volcanic Island
12%inclusion21 decks181 decks
-2%synergy
Hallowed Fountain
11%inclusion15 decks134 decks
-29%synergy
Flooded Strand
11%inclusion20 decks181 decks
0%synergy
Verdant Catacombs
10%inclusion19 decks181 decks
0%synergy
Training Center
10%inclusion19 decks181 decks
-15%synergy