Deidara, the Terrorizer

Flying, Vigilance
Deidara, the Terrorizer doesn't untap during your untap step.
{x}{r}, {t}: Deidara, the Terrorizer deals {x} damage to Target creature or player.
{5}, Pay 3 life: Untap Deidara, the Terrorizer.
"Art is only final in an instant... Art... Is an explosion!"