Scion of the Ur-Dragon + Skithiryx, the Blight Dragon + Moltensteel Dragon
Scion of the Ur-Dragon
Skithiryx, the Blight Dragon
Moltensteel Dragon
Requires
Scion of the Ur-Dragon must be on the battlefield.
Skithiryx, the Blight Dragon must be in the library.
Moltensteel Dragon must be in the library.
An opponent is unable to block and kill Scion of the Ur-Dragon.
Mana needed: 
, plus an additional 
if Scion of the Ur-Dragon has summoning sickness
, plus an additional if Scion of the Ur-Dragon has summoning sickness
Steps
- Activate Scion of the Ur-Dragon by paying
. - Holding priority, activate Scion of the Ur-Dragon a second time by paying .
- 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.
- Activate Scion of the Ur-Dragon by paying , giving itself +1/+0 until end of turn.
- Repeat step 4 five additional times.
- 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.
- If Scion of the Ur-Dragon has summoning sickness, activate it by paying , giving it haste until end of turn.
- 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
Target opponent loses the game.
Top Commanders (2)
Scion of the Ur-Dragon
23.50% of 2702 decks
635 decks
The Ur-Dragon
0.80% of 23899 decks
190 decks
High Synergy Cards (10)
Crux of Fate
78% of 861 decks
+67% synergy
Atarka, World Render
75% of 861 decks
+65% synergy
Dragon Tempest
72% of 861 decks
+61% synergy
Bladewing the Risen
67% of 865 decks
+59% synergy
Rivaz of the Claw
67% of 517 decks
+57% synergy
Old Gnawbone
65% of 817 decks
+56% synergy
Miirym, Sentinel Wyrm
67% of 741 decks
+54% synergy
Silumgar, the Drifting Death
59% of 861 decks
+53% synergy
Utvara Hellkite
59% of 862 decks
+51% synergy
Balefire Dragon
54% of 862 decks
+49% synergy
Top Cards (10)
Farseek
70% of 865 decks
+22% synergy
Leyline of the Guildpact
62% of 40 decks
+21% synergy
Roaming Throne
59% of 70 decks
+31% synergy
Dragonlord Dromoka
58% of 861 decks
+49% synergy
Temur Ascendancy
55% of 861 decks
+43% synergy
Lightning Greaves
53% of 865 decks
+35% synergy
Scourge of Valkas
52% of 861 decks
+45% synergy
Swords to Plowshares
52% of 865 decks
+11% synergy
Ancient Brass Dragon
51% of 677 decks
+45% synergy
Ancient Silver Dragon
50% of 741 decks
+44% synergy
Creatures (50)
Ancient Copper Dragon
49% of 741 decks
+42% synergy
Hellkite Tyrant
49% of 862 decks
+45% synergy
Savage Ventmaw
49% of 861 decks
+43% synergy
Birds of Paradise
49% of 865 decks
+24% synergy
Teneb, the Harvester
46% of 865 decks
+42% synergy
The Ur-Dragon
45% of 855 decks
+43% synergy
Hellkite Charger
45% of 865 decks
+41% synergy
Sarkhan, Soul Aflame
45% of 267 decks
+37% synergy
Lathliss, Dragon Queen
43% of 851 decks
+35% synergy
Terror of the Peaks
41% of 839 decks
+34% synergy
Karrthus, Tyrant of Jund
40% of 865 decks
+36% synergy
Dragonspeaker Shaman
39% of 865 decks
+31% synergy
Ancient Gold Dragon
38% of 692 decks
+32% synergy
Delighted Halfling
37% of 221 decks
+22% synergy
Steel Hellkite
35% of 865 decks
+32% synergy
Rith, Liberated Primeval
32% of 539 decks
+25% synergy
Cavern-Hoard Dragon
32% of 183 decks
+28% synergy
Dragonlord's Servant
31% of 861 decks
+24% synergy
Nicol Bolas
31% of 865 decks
+30% synergy
Klauth, Unrivaled Ancient
31% of 810 decks
+25% synergy
Bloom Tender
28% of 865 decks
+10% synergy
Tiamat
28% of 810 decks
+20% synergy
Ignoble Hierarch
27% of 831 decks
+14% synergy
Two-Headed Hellkite
27% of 574 decks
+16% synergy
Scourge of the Throne
26% of 861 decks
+23% synergy
Goldspan Dragon
26% of 834 decks
+20% synergy
Worldgorger Dragon
25% of 865 decks
+24% synergy
Scion of Draco
24% of 831 decks
+17% synergy
Morophon, the Boundless
22% of 846 decks
+11% synergy
Zurgo and Ojutai
22% of 283 decks
+18% synergy
Scalelord Reckoner
22% of 855 decks
+18% synergy
Blast-Furnace Hellkite
22% of 390 decks
+21% synergy
Decadent Dragon
22% of 106 decks
+15% synergy
Faeburrow Elder
21% of 845 decks
-3% synergy
Dragonlord Ojutai
20% of 861 decks
+17% synergy
Dragon Tyrant
20% of 865 decks
+19% synergy
Beledros Witherbloom
19% of 831 decks
+16% synergy
Ramos, Dragon Engine
19% of 855 decks
+11% synergy
Dragonlord Kolaghan
19% of 861 decks
+17% synergy
Noble Hierarch
19% of 865 decks
+8% synergy
Hellkite Courser
19% of 834 decks
+13% synergy
Incinerator of the Guilty
18% of 40 decks
+16% synergy
Drakuseth, Maw of Flames
17% of 845 decks
+15% synergy
Ojutai, Soul of Winter
17% of 861 decks
+14% synergy
Thrakkus the Butcher
16% of 742 decks
+11% synergy
Kolaghan, the Storm's Fury
15% of 861 decks
+12% synergy
Dockside Extortionist
15% of 845 decks
+5% synergy
Niv-Mizzet, the Firemind
14% of 865 decks
+13% synergy
Ancient Bronze Dragon
13% of 677 decks
+11% synergy
Dragon Mage
12% of 865 decks
+12% synergy
Instants (47)
Cyclonic Rift
36% of 862 decks
+14% synergy
Path to Exile
30% of 865 decks
+7% synergy
Vampiric Tutor
30% of 865 decks
+12% synergy
Heroic Intervention
29% of 856 decks
+7% synergy
Assassin's Trophy
28% of 848 decks
+14% synergy
Anguished Unmaking
26% of 859 decks
+15% synergy
Counterspell
25% of 865 decks
+4% synergy
Teferi's Protection
23% of 855 decks
+5% synergy
Beast Within
19% of 865 decks
+2% synergy
Enlightened Tutor
19% of 865 decks
+4% synergy
Brainstorm
19% of 865 decks
+11% synergy
Mana Drain
18% of 865 decks
+9% synergy
Fierce Guardianship
17% of 839 decks
+6% synergy
Deflecting Swat
17% of 839 decks
+8% synergy
Sarkhan's Triumph
16% of 861 decks
+13% synergy
Swan Song
16% of 861 decks
+6% synergy
Mystical Tutor
13% of 865 decks
+5% synergy
Negate
11% of 865 decks
+0% synergy
Chaos Warp
11% of 862 decks
+5% synergy
An Offer You Can't Refuse
10% of 770 decks
+1% synergy
Tainted Strike
10% of 865 decks
+9% synergy
Entomb
10% of 865 decks
+7% synergy
Dovin's Veto
10% of 847 decks
+0% synergy
Worldly Tutor
9% of 865 decks
-2% synergy
Boros Charm
9% of 862 decks
+2% synergy
Generous Gift
9% of 846 decks
-1% synergy
Pact of Negation
9% of 865 decks
+3% synergy
Arcane Denial
8% of 865 decks
+2% synergy
Return of the Wildspeaker
8% of 845 decks
+4% synergy
Force of Will
8% of 865 decks
+1% synergy
Despark
7% of 847 decks
+0% synergy
Tyvar's Stand
7% of 327 decks
+6% synergy
Silence
7% of 865 decks
+1% synergy
Klauth's Will
7% of 810 decks
+5% synergy
Stroke of Midnight
7% of 122 decks
+2% synergy
Cauldron Dance
6% of 865 decks
+6% synergy
Noxious Revival
6% of 865 decks
+4% synergy
Frantic Search
6% of 865 decks
+4% synergy
Putrefy
6% of 865 decks
+3% synergy
Growth Spiral
6% of 848 decks
-6% synergy
Krosan Grip
6% of 865 decks
+4% synergy
Stubborn Denial
6% of 861 decks
+4% synergy
Utter End
6% of 861 decks
+3% synergy
Harrow
6% of 865 decks
+0% synergy
Abrupt Decay
5% of 862 decks
+1% synergy
Veil of Summer
5% of 845 decks
+1% synergy
Mortify
5% of 865 decks
+2% synergy
Sorceries (37)
Cultivate
48% of 865 decks
+7% synergy
Nature's Lore
46% of 865 decks
+17% synergy
Patriarch's Bidding
45% of 865 decks
+39% synergy
Demonic Tutor
40% of 865 decks
+19% synergy
Three Visits
40% of 865 decks
+15% synergy
Kodama's Reach
38% of 865 decks
+10% synergy
Reanimate
36% of 865 decks
+33% synergy
Living Death
34% of 865 decks
+32% synergy
Rampant Growth
28% of 865 decks
+3% synergy
Skyshroud Claim
28% of 865 decks
+16% synergy
Eerie Ultimatum
22% of 841 decks
+11% synergy
Unburial Rites
22% of 862 decks
+21% synergy
Last March of the Ents
17% of 183 decks
+12% synergy
Fearsome Awakening
12% of 861 decks
+12% synergy
Haunting Voyage
12% of 833 decks
+11% synergy
Faithless Looting
12% of 862 decks
+9% synergy
Exhume
10% of 865 decks
+10% synergy
Blasphemous Act
10% of 862 decks
+0% synergy
Victimize
10% of 865 decks
+9% synergy
Primevals' Glorious Rebirth
9% of 852 decks
-1% synergy
Toxic Deluge
9% of 861 decks
+4% synergy
Rite of Replication
8% of 865 decks
+7% synergy
Windfall
8% of 865 decks
+4% synergy
Farewell
7% of 777 decks
-2% synergy
Persist
7% of 826 decks
+6% synergy
Ruinous Ultimatum
6% of 841 decks
-4% synergy
Explosive Vegetation
6% of 865 decks
+2% synergy
Earthquake
6% of 865 decks
+4% synergy
Dread Return
6% of 865 decks
+5% synergy
Zombify
6% of 865 decks
+6% synergy
Tempt with Discovery
6% of 861 decks
-1% synergy
Life // Death
6% of 865 decks
+5% synergy
Grim Tutor
6% of 865 decks
+3% synergy
Beacon of Unrest
5% of 865 decks
+5% synergy
Ponder
5% of 865 decks
+2% synergy
Idyllic Tutor
5% of 865 decks
-1% synergy
Damn
5% of 823 decks
+1% synergy
Utility Artifacts (15)
Swiftfoot Boots
26% of 862 decks
+13% synergy
Herald's Horn
25% of 855 decks
+10% synergy
Urza's Incubator
18% of 865 decks
+8% synergy
Fist of Suns
13% of 865 decks
+6% synergy
Monster Manual
11% of 677 decks
+8% synergy
Conduit of Worlds
11% of 346 decks
+8% synergy
Dragon Arch
11% of 865 decks
+7% synergy
The One Ring
10% of 307 decks
+2% synergy
Quicksilver Amulet
9% of 865 decks
+8% synergy
Sensei's Divining Top
9% of 865 decks
+5% synergy
Scroll Rack
9% of 865 decks
+7% synergy
The Great Henge
8% of 845 decks
+1% synergy
Elixir of Immortality
6% of 865 decks
+5% synergy
Wayfarer's Bauble
6% of 865 decks
+1% synergy
Sword of Feast and Famine
5% of 865 decks
+4% synergy
Enchantments (27)
Animate Dead
50% of 865 decks
+48% synergy
Rhythm of the Wild
34% of 848 decks
+23% synergy
Rhystic Study
32% of 865 decks
+8% synergy
Smothering Tithe
31% of 848 decks
+9% synergy
Garruk's Uprising
27% of 839 decks
+18% synergy
Aggravated Assault
26% of 865 decks
+24% synergy
Sylvan Library
19% of 865 decks
+10% synergy
Crucible of Fire
19% of 865 decks
+15% synergy
Mirari's Wake
18% of 865 decks
+5% synergy
Necromancy
18% of 865 decks
+17% synergy
Sneak Attack
16% of 865 decks
+15% synergy
Mystic Remora
15% of 865 decks
+3% synergy
Curiosity
14% of 865 decks
+14% synergy
Dance of the Dead
13% of 865 decks
+12% synergy
Kindred Discovery
13% of 855 decks
+1% synergy
Up the Beanstalk
11% of 114 decks
+5% synergy
Bear Umbra
11% of 865 decks
+10% synergy
Bower Passage
11% of 862 decks
+10% synergy
There and Back Again
10% of 197 decks
+2% synergy
Defense of the Heart
10% of 865 decks
+7% synergy
Elemental Bond
7% of 860 decks
+4% synergy
Frontier Siege
7% of 861 decks
+5% synergy
Keen Sense
7% of 865 decks
+7% synergy
Steely Resolve
7% of 865 decks
+6% synergy
Spelunking
6% of 79 decks
-6% synergy
Carpet of Flowers
6% of 865 decks
+3% synergy
Prismatic Omen
6% of 865 decks
+2% synergy
Battles (1)
Invasion of Tarkir
12% of 303 decks
+10% synergy
Planeswalkers (5)
Sarkhan Unbroken
23% of 861 decks
+20% synergy
Sarkhan, Fireblood
17% of 851 decks
+15% synergy
Sivitri, Dragon Master
13% of 517 decks
+10% synergy
Ugin, the Spirit Dragon
6% of 861 decks
+2% synergy
Sarkhan the Mad
5% of 865 decks
+5% synergy
Utility Lands (11)
Crucible of the Spirit Dragon
23% of 861 decks
+19% synergy
Cascading Cataracts
14% of 855 decks
-1% synergy
Boseiju, Who Endures
12% of 782 decks
-0% synergy
Ancient Tomb
12% of 865 decks
+4% synergy
Yavimaya, Cradle of Growth
10% of 826 decks
-2% synergy
Reliquary Tower
10% of 865 decks
-12% synergy
Urborg, Tomb of Yawgmoth
7% of 865 decks
-1% synergy
Rogue's Passage
6% of 862 decks
+3% synergy
Temple of the False God
6% of 865 decks
-1% synergy
Great Hall of the Citadel
5% of 192 decks
-2% synergy
Bojuka Bog
5% of 865 decks
+0% synergy
Mana Artifacts (23)
Sol Ring
90% of 865 decks
+14% synergy
Arcane Signet
83% of 845 decks
+11% synergy
Chromatic Lantern
66% of 862 decks
+14% synergy
Dragon's Hoard
49% of 851 decks
+40% synergy
Fellwar Stone
42% of 865 decks
+10% synergy
Orb of Dragonkind
26% of 820 decks
+21% synergy
Commander's Sphere
23% of 861 decks
+1% synergy
Mana Crypt
22% of 865 decks
+9% synergy
Carnelian Orb of Dragonkind
15% of 741 decks
+11% synergy
Chrome Mox
13% of 865 decks
+5% synergy
Timeless Lotus
11% of 542 decks
-7% synergy
Jade Orb of Dragonkind
9% of 741 decks
+7% synergy
Lotus Petal
9% of 865 decks
+3% synergy
Darksteel Ingot
9% of 865 decks
+4% synergy
Mana Vault
8% of 865 decks
+2% synergy
Gruul Signet
7% of 865 decks
+4% synergy
Coalition Relic
7% of 865 decks
+4% synergy
Mox Diamond
7% of 865 decks
+2% synergy
Chromatic Orrery
7% of 839 decks
-7% synergy
Rakdos Signet
6% of 865 decks
+4% synergy
Talisman of Resilience
5% of 846 decks
+3% synergy
Talisman of Impulse
5% of 865 decks
+4% synergy
Izzet Signet
5% of 865 decks
+2% synergy
Lands (50)
Command Tower
94% of 862 decks
+6% synergy
Haven of the Spirit Dragon
65% of 861 decks
+56% synergy
Stomping Ground
60% of 865 decks
+27% synergy
Exotic Orchard
59% of 865 decks
-2% synergy
Overgrown Tomb
56% of 865 decks
+24% synergy
Blood Crypt
55% of 865 decks
+30% synergy
Temple Garden
53% of 865 decks
+20% synergy
Steam Vents
53% of 865 decks
+25% synergy
Breeding Pool
52% of 865 decks
+20% synergy
Verdant Catacombs
50% of 865 decks
+21% synergy
Watery Grave
50% of 865 decks
+23% synergy
Arid Mesa
50% of 865 decks
+22% synergy
Sacred Foundry
49% of 865 decks
+23% synergy
Godless Shrine
49% of 865 decks
+22% synergy
Misty Rainforest
48% of 865 decks
+18% synergy
Hallowed Fountain
47% of 865 decks
+18% synergy
Scalding Tarn
47% of 865 decks
+21% synergy
Wooded Foothills
47% of 865 decks
+22% synergy
Marsh Flats
46% of 865 decks
+19% synergy
Windswept Heath
46% of 865 decks
+19% synergy
Path of Ancestry
45% of 855 decks
+8% synergy
Bloodstained Mire
45% of 865 decks
+23% synergy
Flooded Strand
41% of 865 decks
+17% synergy
Cavern of Souls
41% of 862 decks
+28% synergy
Polluted Delta
41% of 865 decks
+18% synergy
Ketria Triome
35% of 840 decks
+7% synergy
The World Tree
34% of 834 decks
-3% synergy
Ziatora's Proving Ground
34% of 770 decks
+8% synergy
City of Brass
33% of 865 decks
+12% synergy
Commercial District
33% of 15 decks
+27% synergy
Mana Confluence
33% of 861 decks
+12% synergy
Reflecting Pool
30% of 865 decks
+14% synergy
Jetmir's Garden
28% of 770 decks
+1% synergy
Indatha Triome
28% of 840 decks
+1% synergy
Zagoth Triome
28% of 840 decks
+1% synergy
Undercity Sewers
27% of 15 decks
+23% synergy
Thundering Falls
27% of 15 decks
+23% synergy
Raucous Theater
27% of 15 decks
+22% synergy
Underground Mortuary
27% of 15 decks
+21% synergy
Hedge Maze
27% of 15 decks
+19% synergy
Savai Triome
26% of 840 decks
+5% synergy
Unclaimed Territory
25% of 855 decks
+11% synergy
Raugrin Triome
24% of 840 decks
+1% synergy
Temple of the Dragon Queen
23% of 812 decks
+19% synergy
Secluded Courtyard
23% of 777 decks
+9% synergy
Xander's Lounge
22% of 770 decks
+3% synergy
Spara's Headquarters
21% of 770 decks
-7% synergy
Elegant Parlor
20% of 15 decks
+15% synergy
Lush Portico
20% of 15 decks
+13% synergy
Plaza of Heroes
17% of 553 decks
+4% synergy