Sephiroth, One-Winged Angel

Ward {1}
{1}{w/u}{w/u}: If Sephiroth One-Winged Angel is a warrior, it becomes a Warrior Angel with base power and toughness 4/5 and flying.
{2}{w/b}{w/b}: If Sephiroth is a Warrior Angel, it becomes a Demon Angel with base power and toughness 7/7, flying, and double strike.
Sephiroth keep its current creature type, keywords, power and toughness even if it leaves the battlefield.