Bladecoil Serpent [The Brothers' War: Prerelease Promos]

Set: The Brothers' War: Prerelease Promos Type: Artifact Creature — Serpent Rarity: Mythic Cost: {X}{6} When Bladecoil Serpent enters the battlefield, for each {U}{U} spent to cast it, draw a card.When Bladecoil Serpent enters the battlefield, for each {B}{B} spent to cast it, each opponent discards a card.When Bladecoil Serpent enters the battlefield, for each {R}{R} spent to cast it, it gets +1/+0 and gains trample and haste until end of turn.