The Ur-Dragon [Commander Masters] Vampire Wizard its maw becomes primed with

its maw becomes primed with acid and a taste for brains

Spinerock Knoll enters the battlefield tapped

Set: Amonkhet Prerelease Promos Type: Creature — Human Wizard Rarity: Rare Cost: {R} Prowess

"It has latched onto this place like an infestation

where X is the number of Faeries you control

The Ur-Dragon [Commander Masters] Vampire Wizard its maw becomes primed withSet: Commander Masters Type: Legendary Creature Dragon Avatar Rarity: Mythic Cost: {4}{W}{U}{B}{R}{G} Eminence As long as The Ur Dragon is in the command zone or on the battlefield, other Dragon spells you cast cost {1} less to cast. Flying Whenever one or more Dragons you control attack, draw that many cards, then you may put a permanent card from your hand onto the battlefield.