Draconic Roar

As an additional cost to cast Draconic Roar, you may reveal a Dragon card from your hand. Draconic Roar deals 3 damage to target creature. If you revealed a Dragon card or controlled a Dragon as you cast Draconic Roar, Draconic Roar deals 3 damage to that creature's controller.

Haven of the Spirit Dragon

{T}: Add {1} to your mana pool. {T}: Add one mana of any color to your mana pool. Spend this mana only to cast a Dragon creature spell. {2}, {T}, Sacrifice Haven of the Spirit Dragon: Return target Dragon creature card or Ugin planeswalker card from your graveyard to your hand.

Seismic Rupture

Seismic Rupture deals 2 damage to each creature without flying.

Self-Inflicted Wound

Target opponent sacrifices a green or white creature. If that player does, he or she loses 2 life.

Thunderbreak Regent

Flying Whenever a Dragon you control becomes the target of a spell or ability an opponent controls, Thunderbreak Regent deals 3 damage to that player.

Kolaghan, the Storm's Fury

Flying Whenever a Dragon you control attacks, creatures you control get +1/+0 until end of turn. Dash {3}{B}{R} (You may cast this spell for its dash cost. If you do, it gains haste, and it's returned from the battlefield to its owner's hand at the beginning of the next end step.)

Silumgar, the Drifting Death

Flying, hexproof Whenever a Dragon you control attacks, creatures defending player controls get -1/-1 until end of turn.

Disdainful Stroke

Counter target spell with converted mana cost 4 or greater.

Ghostfire Blade

Equipped creature gets +2/+2. Equip {3} Ghostfire Blade's equip ability costs {2} less to activate if it targets a colorless creature.

Murderous Cut

Delve (Each card you exile from your graveyard while casting this spell pays for {1}.) Destroy target creature.

Hangarback Walker

Hangarback Walker enters the battlefield with X +1/+1 counters on it. When Hangarback Walker dies, put a 1/1 colorless Thopter artifact creature token with flying onto the battlefield for each +1/+1 counter on Hangarback Walker.{1}, {T}: Put a +1/+1 counter on Hangarback Walker.

Thopter Engineer

When Thopter Engineer enters the battlefield, put a 1/1 colorless Thopter artifact creature token with flying onto the battlefield. Artifact creatures you control have haste. (They can attack and {T} as soon as they come under your control.)

Shivan Reef

{T}: Add {1} to your mana pool. {T}: Add {U} or {R} to your mana pool. Shivan Reef deals 1 damage to you.

Bloodstained Mire

Polluted Delta

Wooded Foothills

Dispel

Eldrazi Skyspawner

Smoldering Marsh

Sunken Hollow

Transgress the Mind

Bearer of Silence

Swamp

({T}: Add {B}.)

Mountain

({T}: Add {R}.)