Scion of the Ur-Dragon
Skithiryx, the Blight Dragon
Moltensteel Dragon
1

   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
20.60% of 3316 decks 683 decks
The Ur-Dragon
0.63% of 34087 decks 214 decks
Tiamat
0.28% of 8095 decks 23 decks
Ramos, Dragon Engine
0.04% of 9393 decks 4 decks
Kenrith, the Returned King
0.01% of 23940 decks 3 decks
Morophon, the Boundless
0.02% of 10777 decks 2 decks
Esika, God of the Tree
0.01% of 19661 decks 1 decks
Rukarumel, Biologist
0.03% of 3600 decks 1 decks
Jenson Carthalion, Druid Exile
0.04% of 2533 decks 1 decks
Tazri, Beacon of Unity
0.04% of 2357 decks 1 decks
Jegantha, the Wellspring
0.07% of 1467 decks 1 decks
New Cards
Colossal Grave-Reaver
32% of 159 decks +30% synergy
Call the Spirit Dragons
30% of 147 decks +18% synergy
Maelstrom of the Spirit Dragon
26% of 172 decks +16% synergy
Ureni of the Unwritten
23% of 172 decks +14% synergy
Dracogenesis
20% of 174 decks +8% synergy
High Synergy Cards
Crux of Fate
75% of 934 decks +65% synergy
Dragon Tempest
73% of 934 decks +63% synergy
Atarka, World Render
69% of 934 decks +60% synergy
Bladewing the Risen
65% of 934 decks +60% synergy
Old Gnawbone
63% of 934 decks +55% synergy
Miirym, Sentinel Wyrm
65% of 934 decks +54% synergy
Silumgar, the Drifting Death
56% of 934 decks +51% synergy
Dragonlord Dromoka
59% of 934 decks +51% synergy
Utvara Hellkite
55% of 934 decks +49% synergy
Balefire Dragon
53% of 934 decks +48% synergy
Top Cards
Farseek
69% of 934 decks +25% synergy
Rivaz of the Claw
53% of 934 decks +45% synergy
Swords to Plowshares
52% of 934 decks +12% synergy
Birds of Paradise
51% of 934 decks +26% synergy
Scourge of Valkas
51% of 934 decks +44% synergy
Animate Dead
50% of 934 decks +48% synergy
Nature's Lore
49% of 934 decks +21% synergy
Lightning Greaves
48% of 934 decks +30% synergy
Temur Ascendancy
48% of 934 decks +37% synergy
Teneb, the Harvester
47% of 934 decks +44% synergy
Game Changers
Demonic Tutor
39% of 934 decks +19% synergy
Cyclonic Rift
34% of 934 decks +14% synergy
Rhystic Study
31% of 934 decks +8% synergy
Smothering Tithe
28% of 934 decks +8% synergy
Vampiric Tutor
28% of 934 decks +12% synergy
Teferi's Protection
23% of 934 decks +6% synergy
Deflecting Swat
19% of 934 decks +10% synergy
Fierce Guardianship
18% of 934 decks +6% synergy
Chrome Mox
12% of 934 decks +5% synergy
Mystical Tutor
11% of 934 decks +5% synergy
Creatures
Hellkite Tyrant
46% of 934 decks +43% synergy
Ancient Silver Dragon
46% of 934 decks +40% synergy
Terror of the Peaks
46% of 934 decks +38% synergy
Savage Ventmaw
46% of 934 decks +40% synergy
Hellkite Charger
45% of 934 decks +42% synergy
Ancient Copper Dragon
44% of 934 decks +38% synergy
The Ur-Dragon
44% of 934 decks +42% synergy
Ancient Brass Dragon
41% of 934 decks +37% synergy
Lathliss, Dragon Queen
40% of 934 decks +32% synergy
Karrthus, Tyrant of Jund
39% of 934 decks +36% synergy
Dragonspeaker Shaman
37% of 934 decks +29% synergy
Ancient Gold Dragon
33% of 934 decks +28% synergy
Steel Hellkite
31% of 934 decks +29% synergy
Dragonlord's Servant
31% of 934 decks +24% synergy
Bloom Tender
30% of 934 decks +12% synergy
Tiamat
28% of 934 decks +20% synergy
Klauth, Unrivaled Ancient
27% of 934 decks +22% synergy
Goldspan Dragon
27% of 934 decks +20% synergy
Nicol Bolas
25% of 934 decks +25% synergy
Scourge of the Throne
25% of 934 decks +22% synergy
Ignoble Hierarch
24% of 934 decks +13% synergy
Morophon, the Boundless
24% of 934 decks +10% synergy
Sarkhan, Soul Aflame
24% of 915 decks +18% synergy
Scion of Draco
24% of 934 decks +18% synergy
Rith, Liberated Primeval
23% of 934 decks +17% synergy
Two-Headed Hellkite
23% of 934 decks +15% synergy
Worldgorger Dragon
23% of 934 decks +22% synergy
Delighted Halfling
21% of 911 decks +10% synergy
Faeburrow Elder
19% of 934 decks -1% synergy
Ramos, Dragon Engine
19% of 934 decks +12% synergy
Twinflame Tyrant
19% of 371 decks +13% synergy
Scalelord Reckoner
19% of 934 decks +15% synergy
Beledros Witherbloom
18% of 934 decks +16% synergy
Noble Hierarch
18% of 934 decks +9% synergy
Dragonlord Ojutai
17% of 934 decks +15% synergy
Hellkite Courser
17% of 934 decks +12% synergy
Cavern-Hoard Dragon
16% of 876 decks +14% synergy
Thrakkus the Butcher
16% of 934 decks +11% synergy
Drakuseth, Maw of Flames
15% of 934 decks +13% synergy
Roaming Throne
15% of 707 decks +4% synergy
Dragon Tyrant
14% of 934 decks +14% synergy
Dragonlord Kolaghan
14% of 934 decks +12% synergy
Ojutai, Soul of Winter
14% of 934 decks +12% synergy
Kolaghan, the Storm's Fury
13% of 934 decks +11% synergy
Korlessa, Scale Singer
13% of 934 decks +9% synergy
Niv-Mizzet, the Firemind
13% of 934 decks +12% synergy
Dragon Mage
12% of 934 decks +12% synergy
Ancient Bronze Dragon
12% of 934 decks +9% synergy
Earthquake Dragon
12% of 934 decks +9% synergy
Dragonlord Silumgar
11% of 934 decks +8% synergy
Instants
Path to Exile
33% of 934 decks +7% synergy
Heroic Intervention
31% of 934 decks +10% synergy
Assassin's Trophy
29% of 934 decks +15% synergy
Counterspell
23% of 934 decks +2% synergy
Anguished Unmaking
21% of 934 decks +13% synergy
Beast Within
18% of 934 decks +4% synergy
Enlightened Tutor
17% of 934 decks +2% synergy
Mana Drain
17% of 934 decks +7% synergy
Swan Song
16% of 934 decks +6% synergy
Brainstorm
15% of 934 decks +9% synergy
An Offer You Can't Refuse
14% of 934 decks +5% synergy
Sarkhan's Triumph
12% of 934 decks +10% synergy
Negate
11% of 934 decks +1% synergy
Worldly Tutor
11% of 934 decks -1% synergy
Entomb
10% of 934 decks +8% synergy
Chaos Warp
10% of 934 decks +4% synergy
Smuggler's Surprise
9% of 576 decks +7% synergy
Boros Charm
8% of 934 decks +2% synergy
Arcane Denial
8% of 934 decks +2% synergy
Dovin's Veto
8% of 934 decks +1% synergy
Frantic Search
8% of 934 decks +6% synergy
Force of Will
7% of 934 decks +1% synergy
Generous Gift
7% of 934 decks -0% synergy
Stubborn Denial
7% of 934 decks +6% synergy
Pact of Negation
7% of 934 decks +2% synergy
Silence
7% of 934 decks +2% synergy
Deadly Rollick
6% of 934 decks +2% synergy
Despark
6% of 934 decks +1% synergy
Dark Ritual
6% of 934 decks +1% synergy
Tainted Strike
6% of 934 decks +6% synergy
Return of the Wildspeaker
6% of 934 decks +1% synergy
Cauldron Dance
6% of 934 decks +5% synergy
Klauth's Will
6% of 934 decks +4% synergy
Harrow
6% of 934 decks +2% synergy
Putrefy
5% of 934 decks +3% synergy
Force of Negation
5% of 934 decks +2% synergy
Sorceries
Cultivate
45% of 934 decks +9% synergy
Patriarch's Bidding
42% of 934 decks +37% synergy
Three Visits
42% of 934 decks +18% synergy
Reanimate
41% of 934 decks +37% synergy
Kodama's Reach
34% of 934 decks +10% synergy
Living Death
31% of 934 decks +29% synergy
Skyshroud Claim
28% of 934 decks +19% synergy
Rampant Growth
27% of 934 decks +5% synergy
Eerie Ultimatum
19% of 934 decks +10% synergy
Unburial Rites
18% of 934 decks +17% synergy
Victimize
11% of 934 decks +10% synergy
Blasphemous Act
11% of 934 decks +2% synergy
Faithless Looting
11% of 934 decks +9% synergy
Exhume
10% of 934 decks +10% synergy
Fearsome Awakening
10% of 934 decks +9% synergy
Toxic Deluge
9% of 934 decks +4% synergy
Haunting Voyage
8% of 934 decks +7% synergy
Rite of Replication
8% of 934 decks +6% synergy
Persist
7% of 934 decks +7% synergy
Farewell
7% of 934 decks -1% synergy
Kindred Dominance
6% of 934 decks +1% synergy
Life // Death
6% of 934 decks +6% synergy
Last March of the Ents
6% of 889 decks +3% synergy
Dread Return
6% of 934 decks +5% synergy
Explosive Vegetation
6% of 934 decks +3% synergy
Windfall
6% of 934 decks +3% synergy
Primevals' Glorious Rebirth
6% of 934 decks -2% synergy
Buried Alive
6% of 934 decks +4% synergy
Ruinous Ultimatum
6% of 934 decks -3% synergy
Rise of the Dark Realms
5% of 934 decks +4% synergy
Diabolic Tutor
5% of 934 decks +1% synergy
Imperial Seal
5% of 934 decks +1% synergy
Tempt with Discovery
5% of 934 decks -1% synergy
Utility Artifacts
Swiftfoot Boots
26% of 934 decks +14% synergy
Orb of Dragonkind
24% of 934 decks +20% synergy
Herald's Horn
23% of 934 decks +5% synergy
Commander's Sphere
22% of 934 decks +2% synergy
Urza's Incubator
20% of 934 decks +6% synergy
Fist of Suns
13% of 934 decks +6% synergy
Lotus Petal
10% of 934 decks +3% synergy
The One Ring
10% of 934 decks +1% synergy
Monster Manual
9% of 934 decks +7% synergy
Dragon Arch
8% of 934 decks +6% synergy
Quicksilver Amulet
8% of 934 decks +7% synergy
Sensei's Divining Top
8% of 934 decks +4% synergy
The Great Henge
7% of 934 decks +1% synergy
Scroll Rack
7% of 934 decks +6% synergy
Wayfarer's Bauble
5% of 934 decks +1% synergy
Elixir of Immortality
5% of 934 decks +4% synergy
Enchantments
Rhythm of the Wild
31% of 934 decks +19% synergy
Aggravated Assault
28% of 934 decks +26% synergy
Garruk's Uprising
25% of 934 decks +13% synergy
Necromancy
19% of 934 decks +18% synergy
Sneak Attack
17% of 934 decks +16% synergy
Sylvan Library
16% of 934 decks +10% synergy
Mirari's Wake
15% of 934 decks +5% synergy
Crucible of Fire
14% of 934 decks +11% synergy
Curiosity
14% of 934 decks +13% synergy
Mystic Remora
14% of 934 decks +3% synergy
Dance of the Dead
12% of 934 decks +11% synergy
Kindred Discovery
12% of 934 decks -0% synergy
Leyline of the Guildpact
11% of 629 decks -4% synergy
Bear Umbra
10% of 934 decks +9% synergy
Defense of the Heart
10% of 934 decks +7% synergy
Bower Passage
8% of 934 decks +7% synergy
Elemental Bond
8% of 934 decks +5% synergy
Keen Sense
7% of 934 decks +7% synergy
Steely Resolve
7% of 934 decks +5% synergy
Frontier Siege
6% of 934 decks +4% synergy
Prismatic Omen
5% of 934 decks +1% synergy
Battles
Invasion of Tarkir
5% of 934 decks +4% synergy
Planeswalkers
Sarkhan Unbroken
21% of 934 decks +18% synergy
Sarkhan, Fireblood
14% of 934 decks +12% synergy
Sivitri, Dragon Master
7% of 934 decks +5% synergy
Sarkhan the Mad
5% of 934 decks +5% synergy
Ugin, the Spirit Dragon
5% of 934 decks +1% synergy
Utility Lands
Crucible of the Spirit Dragon
23% of 934 decks +19% synergy
Cascading Cataracts
13% of 934 decks -4% synergy
Boseiju, Who Endures
13% of 934 decks +1% synergy
Ancient Tomb
12% of 934 decks +3% synergy
Yavimaya, Cradle of Growth
9% of 934 decks -2% synergy
Reliquary Tower
8% of 934 decks -17% synergy
Mistrise Village
7% of 169 decks +2% synergy
Temple of the False God
6% of 934 decks -0% synergy
Urborg, Tomb of Yawgmoth
6% of 934 decks -1% synergy
Rogue's Passage
6% of 934 decks -0% synergy
Shifting Woodland
5% of 536 decks +4% synergy
Arena of Glory
5% of 525 decks +4% synergy
Mana Artifacts
Sol Ring
89% of 934 decks +10% synergy
Arcane Signet
83% of 934 decks +8% synergy
Chromatic Lantern
61% of 934 decks +8% synergy
Dragon's Hoard
46% of 934 decks +39% synergy
Fellwar Stone
42% of 934 decks +10% synergy
Mox Jasper
17% of 229 decks +11% synergy
Carnelian Orb of Dragonkind
16% of 934 decks +13% synergy
Mana Crypt
13% of 934 decks +5% synergy
Jade Orb of Dragonkind
10% of 934 decks +7% synergy
Mana Vault
9% of 934 decks +3% synergy
Timeless Lotus
9% of 934 decks -3% synergy
Dragonstorm Globe
8% of 159 decks +3% synergy
Chromatic Orrery
7% of 934 decks -4% synergy
Mox Diamond
7% of 934 decks +2% synergy
Darksteel Ingot
7% of 934 decks +3% synergy
Gruul Signet
6% of 934 decks +3% synergy
Talisman of Impulse
6% of 934 decks +1% synergy
Mox Opal
5% of 934 decks +1% synergy
Lands
Command Tower
93% of 934 decks +5% synergy
Haven of the Spirit Dragon
63% of 934 decks +55% synergy
Exotic Orchard
61% of 934 decks -2% synergy
Stomping Ground
59% of 934 decks +30% synergy
Overgrown Tomb
56% of 934 decks +26% synergy
Blood Crypt
53% of 934 decks +31% synergy
Breeding Pool
53% of 934 decks +23% synergy
Temple Garden
52% of 934 decks +22% synergy
Wooded Foothills
51% of 934 decks +26% synergy
Steam Vents
51% of 934 decks +27% synergy
Misty Rainforest
50% of 934 decks +22% synergy
Verdant Catacombs
50% of 934 decks +23% synergy
Arid Mesa
49% of 934 decks +25% synergy
Watery Grave
49% of 934 decks +25% synergy
Bloodstained Mire
49% of 934 decks +27% synergy
Windswept Heath
49% of 934 decks +22% synergy
Sacred Foundry
48% of 934 decks +25% synergy
Scalding Tarn
48% of 934 decks +24% synergy
Godless Shrine
48% of 934 decks +23% synergy
Path of Ancestry
47% of 934 decks +5% synergy
Cavern of Souls
46% of 934 decks +30% synergy
Marsh Flats
46% of 934 decks +21% synergy
Hallowed Fountain
45% of 934 decks +18% synergy
Flooded Strand
44% of 934 decks +19% synergy
Polluted Delta
43% of 934 decks +20% synergy
City of Brass
34% of 934 decks +14% synergy
Ketria Triome
34% of 934 decks +8% synergy
The World Tree
31% of 934 decks -1% synergy
Mana Confluence
30% of 934 decks +12% synergy
Reflecting Pool
30% of 934 decks +14% synergy
Ziatora's Proving Ground
29% of 934 decks +8% synergy
Unclaimed Territory
27% of 934 decks +9% synergy
Indatha Triome
26% of 934 decks +2% synergy
Zagoth Triome
25% of 934 decks +2% synergy
Jetmir's Garden
23% of 934 decks +1% synergy
Savai Triome
22% of 934 decks +4% synergy
Temple of the Dragon Queen
21% of 934 decks +17% synergy
Raugrin Triome
21% of 934 decks +2% synergy
Secluded Courtyard
20% of 934 decks +3% synergy
Spara's Headquarters
18% of 934 decks -4% synergy
Xander's Lounge
18% of 934 decks +3% synergy
Taiga
17% of 934 decks +4% synergy
Badlands
16% of 934 decks +5% synergy
Underground Sea
16% of 934 decks +4% synergy
Volcanic Island
16% of 934 decks +4% synergy
Bayou
16% of 934 decks +3% synergy
Plateau
16% of 934 decks +4% synergy
Tropical Island
16% of 934 decks +3% synergy
Evolving Wilds
16% of 934 decks -6% synergy
Savannah
16% of 934 decks +3% synergy