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%inclusion721 decks4.05K decks
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Timeless Lotus
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Lands
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Stomping Ground
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Temple Garden
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Cavern of Souls
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Flooded Strand
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17%synergy
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17%synergy
Maelstrom of the Spirit Dragon
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29%synergy
City of Brass
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Mana Confluence
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13%synergy
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Jetmir's Garden
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Savai Triome
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Temple of the Dragon Queen
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Raugrin Triome
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Taiga
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Savannah
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Bayou
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Tropical Island
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Volcanic Island
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Plateau
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Spara's Headquarters
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Scrubland
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3%synergy