Revan, Sith Lord

Double strike, vigilance
{x}{u}{u}{t}, Gain control of target creature with {x} converted mana cost as long as Revan, Sith
Lord is on the battlefield.
{1}{b/r}: Deal 1 damage to any target. If you spent
two red mana, deal 2 damage instead. If you
spent two black mana, gain 1 life.