Ruviel, Corrupt Conspirator

Flash, Flying.
{t}{x} Take control of target creature with converted mana cost {x}
{t}{b} Sacrifice another creature you control, disregard any damage that would be dealt to you by a source of your choice.
{w}{w} Ruviel gains indestructible this turn.
"I fear that her plots still unwind. She has made fools of us all." - Lunarch Jeryn