Decklist - Scion of the Ur-Dragon

My current Scion of the Ur-Dragon commander deck. Basis was a Draconic Domination Commander deck that I've been slowly modifying and is very much a work in progress as I get new cards and swap things out here and there.

Edited 7-22-18

Commander

Scion of the Ur-Dragon

Artifacts

Blackblade Reforged
Door to Nothingness
Dragon's Hoard
Dreamstone Hedron
Fist of Suns
Gilded Lotus
Herald's Horn
Lightning Greaves
Manalith

Creatures

Atarka, World Render
Bladewing the Risen
Boneyard Scourge
Broodmate Dragon
Crosis, the Purger
Deathbringer Regent
Demanding Dragon
Dragonlord's Servant
Dragonspeaker Shaman
Dromoka, the Eternal
Hellkite Charger
Intet, the Dreamer
Kolaghan, the Storm's Fury
Nicol Bolas, the Ravager
Niv-Mizzet, Dracogenius
Numot, the Devastator
Ojutai, Soul of Winter
O-Kagachi, Vengeful Kami
Orator of Ojutai
Palladia-Mors, the Ruiner
Ramos, Dragon Engine
Ryusei, the Falling Star
Scalelord Recknoer
Scourge of Valkas
Silumgar, the Drifting Dead
Spellbound Dragon
Steel Hellkite
Sunscorch Regent
Taigam, Ojutai Master
Teneb, the Harvester
Territorial Hellkite
The Ur-Dragon
Tyrant's Familiar
Utvara Hellkite
Verix Bladewing
Wasitora, Nekoru Queen

Enchantments

Aqueous Form
Crucible of Fire
Dragon Tempest
Elemental Bond
Frontier Siege
Kindred Discovery
Palace Siege

Instants

Rescue

Lands, Basic

Island x3
Forest x2
Mountain x 5
Plains x3
Swamp x2

Lands, Other

Arcane Sanctum
Bloodfell Caves
Blooming Marsh
Command Tower
Crucible of the Spirit Dragon
Crumbling Necropolis
Dragonskull Summit
Frontier Bivouac
Haven of the Spirit Dragon
Jungle Shrine
Memorial to Folly
Mystic Monastery
Nomad Outpost
Opal Palace
Opulent Palace
Path of Ancestry
Rupture Spire
Sandsteppe Citadel
Savage Lands
Seaside Citadel
Vivid Crag
Vivid Creek
Vivid Grove
Vivid Marsh
Vivid Meadow

Planeswalkers

Sarkhan, Dragonsoul

Sorcery

Broken Bond
Crux of Fate
Earthquake
Farseek
Soul Salvage