Scion of the Ur-Dragon
Skithiryx, the Blight Dragon
Moltensteel Dragon

   Prerequisites

What do I need to start this combo?
Scion of the Ur-Dragon on the battlefield.
Skithiryx and Moltensteel Dragon in your library.
An opponent is unable to block and kill Scion of the Ur-Dragon.
4rprprprprprp, plus an additional if Scion of the Ur-Dragon has summoning sickness available

   Steps

How does this combo work?
1
Activate Scion of the Ur-Dragon by paying 2.
2
Holding priority, activate Scion of the Ur-Dragon a second time by paying 2.
3
Resolve the first Scion of the Ur-Dragon ability, searching your library for Moltensteel Dragon, putting it into your graveyard, causing Scion of the Ur-Dragon to become a copy of Moltensteel Dragon until end of turn, and shuffling your library.
4
Activate Scion of the Ur-Dragon by paying rp, giving itself +1/+0 until end of turn.
5
Repeat step 4 five additional times.
6
Resolve the Scion of the Ur-Dragon ability from step 1, searching your library for Skithiryx, putting it into your graveyard, causing Scion of the Ur-Dragon to become a copy of Skithiryx until end of turn, and shuffling your library.
7
If Scion of the Ur-Dragon has summoning sickness, activate it by paying , giving it haste until end of turn.
8
Deal combat damage with Scion of the Ur-Dragon, causing an opponent to get ten poison counters and lose the game due to lethal infect damage.

   Results

What do I get from this combo?
Target opponent loses the game
Scion of the Ur-Dragon
18%inclusion788 decks4.45K decks
The Ur-Dragon
0.4%inclusion176 decks45.3K decks
Tiamat
0.2%inclusion23 decks11.6K decks
Ramos, Dragon Engine
0.0%inclusion4 decks11.2K decks
Esika, God of the Tree
0.0%inclusion2 decks23K decks
Jenson Carthalion, Druid Exile
0.0%inclusion1 decks2.73K decks
O-Kagachi, Vengeful Kami
0.1%inclusion1 decks1.84K decks
Morophon, the Boundless
0.0%inclusion1 decks14K decks
Jegantha, the Wellspring
0.1%inclusion1 decks1.60K decks
New Cards
Irma, Part-Time Mutant
0.8%inclusion1 decks119 decks
-7%synergy
Continue?
0.8%inclusion1 decks119 decks
-7%synergy
Splinter's Technique
0.5%inclusion1 decks186 decks
-1%synergy
High Synergy Cards
Dragon Tempest
74%inclusion735 decks997 decks
65%synergy
Crux of Fate
71%inclusion709 decks997 decks
63%synergy
Bladewing the Risen
66%inclusion662 decks997 decks
62%synergy
Atarka, World Render
64%inclusion642 decks997 decks
57%synergy
Dragonlord Dromoka
61%inclusion610 decks997 decks
54%synergy
Miirym, Sentinel Wyrm
62%inclusion622 decks997 decks
53%synergy
Animate Dead
54%inclusion543 decks997 decks
52%synergy
Old Gnawbone
59%inclusion589 decks997 decks
52%synergy
Silumgar, the Drifting Death
56%inclusion558 decks997 decks
52%synergy
Balefire Dragon
51%inclusion512 decks997 decks
47%synergy
Top Cards
Farseek
68%inclusion673 decks997 decks
25%synergy
Rivaz of the Claw
53%inclusion532 decks997 decks
47%synergy
Birds of Paradise
53%inclusion526 decks997 decks
28%synergy
Swords to Plowshares
51%inclusion507 decks997 decks
12%synergy
Scourge of Valkas
50%inclusion503 decks997 decks
45%synergy
Utvara Hellkite
50%inclusion494 decks997 decks
44%synergy
Terror of the Peaks
49%inclusion493 decks997 decks
43%synergy
Reanimate
49%inclusion488 decks997 decks
45%synergy
Teneb, the Harvester
48%inclusion481 decks997 decks
46%synergy
Nature's Lore
47%inclusion471 decks997 decks
21%synergy
Game Changers
Demonic Tutor
37%inclusion366 decks997 decks
19%synergy
Cyclonic Rift
32%inclusion319 decks997 decks
16%synergy
Rhystic Study
28%inclusion278 decks997 decks
8%synergy
Smothering Tithe
27%inclusion269 decks997 decks
9%synergy
Vampiric Tutor
25%inclusion249 decks997 decks
12%synergy
Teferi's Protection
22%inclusion221 decks997 decks
8%synergy
Fierce Guardianship
21%inclusion212 decks997 decks
9%synergy
Enlightened Tutor
18%inclusion177 decks997 decks
4%synergy
Chrome Mox
13%inclusion127 decks997 decks
6%synergy
Mystical Tutor
10%inclusion103 decks997 decks
5%synergy
Creatures
Ancient Silver Dragon
46%inclusion457 decks997 decks
41%synergy
Ancient Copper Dragon
46%inclusion455 decks997 decks
40%synergy
Hellkite Tyrant
44%inclusion443 decks997 decks
41%synergy
Savage Ventmaw
44%inclusion440 decks997 decks
40%synergy
Colossal Grave-Reaver
43%inclusion291 decks673 decks
42%synergy
The Ur-Dragon
43%inclusion431 decks997 decks
42%synergy
Ancient Brass Dragon
42%inclusion418 decks997 decks
38%synergy
Hellkite Charger
40%inclusion399 decks997 decks
38%synergy
Ancient Gold Dragon
37%inclusion373 decks997 decks
33%synergy
Lathliss, Dragon Queen
36%inclusion360 decks997 decks
29%synergy
Karrthus, Tyrant of Jund
36%inclusion356 decks997 decks
34%synergy
Bloom Tender
35%inclusion351 decks997 decks
17%synergy
Dragonspeaker Shaman
33%inclusion331 decks997 decks
27%synergy
Ignoble Hierarch
30%inclusion302 decks997 decks
20%synergy
Worldgorger Dragon
28%inclusion276 decks997 decks
27%synergy
Dragonlord's Servant
27%inclusion271 decks997 decks
21%synergy
Ureni of the Unwritten
27%inclusion183 decks681 decks
22%synergy
Steel Hellkite
27%inclusion267 decks997 decks
25%synergy
Goldspan Dragon
26%inclusion258 decks997 decks
20%synergy
Delighted Halfling
26%inclusion256 decks997 decks
15%synergy
Scourge of the Throne
25%inclusion252 decks997 decks
23%synergy
Klauth, Unrivaled Ancient
25%inclusion251 decks997 decks
21%synergy
Tiamat
24%inclusion239 decks997 decks
18%synergy
Nicol Bolas
23%inclusion229 decks997 decks
23%synergy
Sarkhan, Soul Aflame
23%inclusion225 decks997 decks
17%synergy
Faeburrow Elder
22%inclusion222 decks997 decks
2%synergy
Noble Hierarch
21%inclusion206 decks997 decks
12%synergy
Rith, Liberated Primeval
20%inclusion199 decks997 decks
15%synergy
Two-Headed Hellkite
20%inclusion196 decks997 decks
14%synergy
Morophon, the Boundless
19%inclusion190 decks997 decks
5%synergy
Scion of Draco
19%inclusion186 decks997 decks
14%synergy
Beledros Witherbloom
18%inclusion182 decks997 decks
17%synergy
Twinflame Tyrant
18%inclusion147 decks829 decks
14%synergy
Dragonlord Ojutai
17%inclusion165 decks997 decks
15%synergy
Scalelord Reckoner
16%inclusion159 decks997 decks
13%synergy
Thrakkus the Butcher
14%inclusion144 decks997 decks
11%synergy
Ramos, Dragon Engine
14%inclusion144 decks997 decks
8%synergy
Drakuseth, Maw of Flames
14%inclusion140 decks997 decks
12%synergy
Dragonlord Kolaghan
13%inclusion134 decks997 decks
12%synergy
Cavern-Hoard Dragon
13%inclusion133 decks997 decks
12%synergy
Hellkite Courser
13%inclusion131 decks997 decks
8%synergy
Dragon Tyrant
13%inclusion129 decks997 decks
13%synergy
Niv-Mizzet, Parun
13%inclusion127 decks997 decks
12%synergy
Dragon Mage
12%inclusion120 decks997 decks
12%synergy
Kolaghan, the Storm's Fury
12%inclusion119 decks997 decks
10%synergy
Korlessa, Scale Singer
11%inclusion114 decks997 decks
8%synergy
Niv-Mizzet, the Firemind
11%inclusion112 decks997 decks
11%synergy
Ganax, Astral Hunter
11%inclusion106 decks997 decks
7%synergy
Ojutai, Soul of Winter
11%inclusion105 decks997 decks
9%synergy
Roaming Throne
11%inclusion105 decks997 decks
0%synergy
Instants
Path to Exile
35%inclusion349 decks997 decks
6%synergy
Heroic Intervention
30%inclusion304 decks997 decks
8%synergy
Assassin's Trophy
29%inclusion291 decks997 decks
16%synergy
Counterspell
26%inclusion256 decks997 decks
3%synergy
Deflecting Swat
22%inclusion216 decks997 decks
12%synergy
Anguished Unmaking
20%inclusion204 decks997 decks
13%synergy
An Offer You Can't Refuse
19%inclusion185 decks997 decks
8%synergy
Swan Song
18%inclusion180 decks997 decks
8%synergy
Mana Drain
17%inclusion169 decks997 decks
8%synergy
Beast Within
16%inclusion162 decks997 decks
4%synergy
Brainstorm
12%inclusion124 decks997 decks
7%synergy
Entomb
11%inclusion113 decks997 decks
10%synergy
Worldly Tutor
11%inclusion109 decks997 decks
1%synergy
Sarkhan's Triumph
10%inclusion102 decks997 decks
8%synergy
Chaos Warp
10%inclusion95 decks997 decks
5%synergy
Negate
9.4%inclusion94 decks997 decks
1%synergy
Stubborn Denial
9.3%inclusion93 decks997 decks
8%synergy
Arcane Denial
8.6%inclusion86 decks997 decks
2%synergy
Boros Charm
8.3%inclusion83 decks997 decks
3%synergy
Silence
8.1%inclusion81 decks997 decks
3%synergy
Deadly Rollick
8.0%inclusion80 decks997 decks
3%synergy
Saw in Half
7.9%inclusion79 decks997 decks
7%synergy
Dark Ritual
7.7%inclusion77 decks997 decks
2%synergy
Frantic Search
7.6%inclusion76 decks997 decks
6%synergy
Force of Will
7.3%inclusion73 decks997 decks
2%synergy
Pact of Negation
6.8%inclusion68 decks997 decks
2%synergy
Smuggler's Surprise
6.5%inclusion65 decks997 decks
5%synergy
Dovin's Veto
6.5%inclusion65 decks997 decks
0%synergy
Harrow
5.9%inclusion59 decks997 decks
3%synergy
Tainted Strike
5.6%inclusion56 decks997 decks
5%synergy
Force of Negation
5.4%inclusion54 decks997 decks
2%synergy
Generous Gift
5.4%inclusion54 decks997 decks
-1%synergy
Sorceries
Cultivate
43%inclusion431 decks997 decks
9%synergy
Three Visits
42%inclusion421 decks997 decks
20%synergy
Patriarch's Bidding
40%inclusion396 decks997 decks
35%synergy
Living Death
34%inclusion339 decks997 decks
32%synergy
Kodama's Reach
33%inclusion330 decks997 decks
11%synergy
Rampant Growth
26%inclusion264 decks997 decks
7%synergy
Skyshroud Claim
23%inclusion234 decks997 decks
16%synergy
Eerie Ultimatum
17%inclusion165 decks997 decks
9%synergy
Unburial Rites
16%inclusion160 decks997 decks
16%synergy
Victimize
14%inclusion142 decks997 decks
13%synergy
Blasphemous Act
12%inclusion120 decks997 decks
-1%synergy
Exhume
11%inclusion110 decks997 decks
11%synergy
Faithless Looting
10%inclusion102 decks997 decks
8%synergy
Toxic Deluge
10%inclusion98 decks997 decks
6%synergy
Persist
8.7%inclusion87 decks997 decks
8%synergy
Bloodline Bidding
7.8%inclusion17 decks219 decks
4%synergy
Channel the Suns
7.5%inclusion75 decks997 decks
7%synergy
Rise of the Dark Realms
7.2%inclusion72 decks997 decks
6%synergy
Fearsome Awakening
7.1%inclusion71 decks997 decks
7%synergy
Life // Death
6.9%inclusion69 decks997 decks
7%synergy
Buried Alive
6.8%inclusion68 decks997 decks
6%synergy
Rite of Replication
6.8%inclusion68 decks997 decks
5%synergy
Dread Return
6.7%inclusion67 decks997 decks
6%synergy
Haunting Voyage
6.7%inclusion67 decks997 decks
4%synergy
Imperial Seal
5.7%inclusion57 decks997 decks
2%synergy
Farewell
5.7%inclusion57 decks997 decks
-1%synergy
Explosive Vegetation
5.5%inclusion55 decks997 decks
3%synergy
Kindred Dominance
5.5%inclusion55 decks997 decks
0%synergy
Stitch Together
5.2%inclusion52 decks997 decks
5%synergy
Grim Tutor
5.1%inclusion51 decks997 decks
3%synergy
Diabolic Tutor
5.0%inclusion50 decks997 decks
2%synergy
Utility Artifacts
Lightning Greaves
47%inclusion465 decks997 decks
30%synergy
Swiftfoot Boots
27%inclusion271 decks997 decks
15%synergy
Urza's Incubator
20%inclusion203 decks997 decks
5%synergy
Herald's Horn
20%inclusion200 decks997 decks
2%synergy
The One Ring
11%inclusion113 decks997 decks
3%synergy
Fist of Suns
11%inclusion112 decks997 decks
5%synergy
Monster Manual
8.0%inclusion80 decks997 decks
6%synergy
Quicksilver Amulet
7.7%inclusion77 decks997 decks
7%synergy
The Great Henge
6.7%inclusion67 decks997 decks
1%synergy
Sensei's Divining Top
6.6%inclusion66 decks997 decks
4%synergy
Scroll Rack
6.4%inclusion64 decks997 decks
6%synergy
Dragon Arch
6.3%inclusion63 decks997 decks
4%synergy
Enchantments
Temur Ascendancy
45%inclusion450 decks997 decks
36%synergy
Aggravated Assault
30%inclusion295 decks997 decks
28%synergy
Call the Spirit Dragons
29%inclusion196 decks668 decks
23%synergy
Rhythm of the Wild
28%inclusion278 decks997 decks
17%synergy
Dracogenesis
27%inclusion184 decks681 decks
20%synergy
Necromancy
24%inclusion242 decks997 decks
24%synergy
Garruk's Uprising
23%inclusion229 decks997 decks
10%synergy
Sneak Attack
15%inclusion154 decks997 decks
14%synergy
Sylvan Library
15%inclusion150 decks997 decks
10%synergy
Curiosity
15%inclusion146 decks997 decks
14%synergy
Mystic Remora
15%inclusion146 decks997 decks
4%synergy
Dance of the Dead
14%inclusion143 decks997 decks
14%synergy
Mirari's Wake
10%inclusion99 decks997 decks
2%synergy
Leyline of the Guildpact
10%inclusion98 decks997 decks
-5%synergy
Crucible of Fire
9.4%inclusion94 decks997 decks
7%synergy
Kindred Discovery
9.4%inclusion94 decks997 decks
-2%synergy
Bear Umbra
8.8%inclusion88 decks997 decks
8%synergy
Bower Passage
8.5%inclusion85 decks997 decks
8%synergy
Defense of the Heart
8.4%inclusion84 decks997 decks
6%synergy
Encroaching Dragonstorm
7.3%inclusion50 decks681 decks
5%synergy
Keen Sense
6.7%inclusion67 decks997 decks
7%synergy
Elemental Bond
6.6%inclusion66 decks997 decks
3%synergy
Roiling Dragonstorm
5.9%inclusion40 decks681 decks
4%synergy
Prismatic Omen
5.6%inclusion56 decks997 decks
1%synergy
Frontier Siege
5.1%inclusion51 decks997 decks
4%synergy
Planeswalkers
Sarkhan Unbroken
19%inclusion190 decks997 decks
17%synergy
Sarkhan, Fireblood
12%inclusion123 decks997 decks
11%synergy
Sarkhan the Mad
5.5%inclusion55 decks997 decks
5%synergy
Sivitri, Dragon Master
5.5%inclusion55 decks997 decks
4%synergy
Utility Lands
Crucible of the Spirit Dragon
20%inclusion204 decks997 decks
18%synergy
Ancient Tomb
13%inclusion132 decks997 decks
4%synergy
Boseiju, Who Endures
13%inclusion129 decks997 decks
2%synergy
Cascading Cataracts
12%inclusion117 decks997 decks
-4%synergy
Reliquary Tower
10%inclusion95 decks997 decks
-16%synergy
Mistrise Village
8.0%inclusion54 decks679 decks
5%synergy
Urborg, Tomb of Yawgmoth
7.5%inclusion75 decks997 decks
1%synergy
Rogue's Passage
7.4%inclusion74 decks997 decks
1%synergy
Yavimaya, Cradle of Growth
7.4%inclusion74 decks997 decks
-3%synergy
Otawara, Soaring City
6.1%inclusion61 decks997 decks
0%synergy
Shifting Woodland
5.3%inclusion51 decks962 decks
4%synergy
Temple of the False God
5.1%inclusion51 decks997 decks
-1%synergy
Mana Artifacts
Sol Ring
90%inclusion894 decks997 decks
10%synergy
Arcane Signet
83%inclusion826 decks997 decks
7%synergy
Chromatic Lantern
59%inclusion592 decks997 decks
9%synergy
Fellwar Stone
43%inclusion431 decks997 decks
12%synergy
Dragon's Hoard
41%inclusion409 decks997 decks
35%synergy
Mox Jasper
27%inclusion197 decks722 decks
23%synergy
Orb of Dragonkind
23%inclusion225 decks997 decks
20%synergy
Commander's Sphere
18%inclusion177 decks997 decks
2%synergy
Carnelian Orb of Dragonkind
15%inclusion145 decks997 decks
12%synergy
Lotus Petal
13%inclusion130 decks997 decks
6%synergy
Dragonstorm Globe
11%inclusion74 decks673 decks
8%synergy
Jade Orb of Dragonkind
9.2%inclusion92 decks997 decks
8%synergy
Mana Vault
7.9%inclusion79 decks997 decks
1%synergy
Mox Diamond
7.4%inclusion74 decks997 decks
2%synergy
Timeless Lotus
7.0%inclusion70 decks997 decks
-4%synergy
Herd Heirloom
6.5%inclusion44 decks673 decks
5%synergy
Talisman of Impulse
6.1%inclusion61 decks997 decks
1%synergy
Cursed Mirror
6.0%inclusion60 decks997 decks
5%synergy
Darksteel Ingot
5.7%inclusion57 decks997 decks
3%synergy
Gruul Signet
5.1%inclusion51 decks997 decks
3%synergy
Talisman of Curiosity
5.0%inclusion50 decks997 decks
-1%synergy
Chromatic Orrery
5.0%inclusion50 decks997 decks
-4%synergy
Lands
Command Tower
94%inclusion940 decks997 decks
6%synergy
Exotic Orchard
62%inclusion623 decks997 decks
0%synergy
Haven of the Spirit Dragon
62%inclusion621 decks997 decks
55%synergy
Stomping Ground
57%inclusion571 decks997 decks
28%synergy
Overgrown Tomb
55%inclusion546 decks997 decks
26%synergy
Breeding Pool
53%inclusion524 decks997 decks
22%synergy
Blood Crypt
52%inclusion521 decks997 decks
31%synergy
Steam Vents
52%inclusion515 decks997 decks
28%synergy
Wooded Foothills
51%inclusion513 decks997 decks
25%synergy
Bloodstained Mire
51%inclusion507 decks997 decks
29%synergy
Temple Garden
50%inclusion498 decks997 decks
21%synergy
Windswept Heath
50%inclusion497 decks997 decks
22%synergy
Verdant Catacombs
50%inclusion494 decks997 decks
24%synergy
Misty Rainforest
49%inclusion489 decks997 decks
22%synergy
Sacred Foundry
49%inclusion486 decks997 decks
25%synergy
Watery Grave
48%inclusion483 decks997 decks
24%synergy
Cavern of Souls
48%inclusion479 decks997 decks
31%synergy
Godless Shrine
47%inclusion469 decks997 decks
23%synergy
Arid Mesa
47%inclusion466 decks997 decks
25%synergy
Path of Ancestry
47%inclusion464 decks997 decks
3%synergy
Scalding Tarn
45%inclusion452 decks997 decks
23%synergy
Polluted Delta
45%inclusion447 decks997 decks
22%synergy
Flooded Strand
44%inclusion436 decks997 decks
19%synergy
Marsh Flats
43%inclusion432 decks997 decks
21%synergy
Hallowed Fountain
42%inclusion414 decks997 decks
16%synergy
Maelstrom of the Spirit Dragon
36%inclusion248 decks681 decks
30%synergy
City of Brass
35%inclusion345 decks997 decks
14%synergy
Mana Confluence
33%inclusion325 decks997 decks
14%synergy
Ketria Triome
31%inclusion309 decks997 decks
7%synergy
Reflecting Pool
29%inclusion286 decks997 decks
13%synergy
Ziatora's Proving Ground
27%inclusion266 decks997 decks
9%synergy
Unclaimed Territory
26%inclusion262 decks997 decks
8%synergy
The World Tree
26%inclusion259 decks997 decks
-1%synergy
Indatha Triome
25%inclusion245 decks997 decks
3%synergy
Zagoth Triome
23%inclusion229 decks997 decks
2%synergy
Jetmir's Garden
21%inclusion208 decks997 decks
2%synergy
Secluded Courtyard
20%inclusion204 decks997 decks
1%synergy
Savai Triome
20%inclusion197 decks997 decks
5%synergy
Temple of the Dragon Queen
19%inclusion192 decks997 decks
16%synergy
Taiga
19%inclusion189 decks997 decks
6%synergy
Raugrin Triome
18%inclusion181 decks997 decks
2%synergy
Badlands
18%inclusion180 decks997 decks
7%synergy
Underground Sea
18%inclusion177 decks997 decks
6%synergy
Tropical Island
18%inclusion175 decks997 decks
4%synergy
Volcanic Island
17%inclusion174 decks997 decks
6%synergy
Savannah
17%inclusion174 decks997 decks
5%synergy
Bayou
17%inclusion172 decks997 decks
4%synergy
Plateau
17%inclusion169 decks997 decks
6%synergy
Scrubland
16%inclusion158 decks997 decks
4%synergy
Tundra
16%inclusion155 decks997 decks
3%synergy