Shallan Davar, Lightweaver

Shallan Davar has hexproof as long as she is a
Noble, deathtouch as long as she is a Rogue, and vigilance and +1/+1 as long as she is a Knight.
{b}{b}: Shallan Davar loses all other creature types
except human, and becomes a Rogue.
{w}{w}: Shallan Davar loses all other creature types
except human, and becomes a Knight.
{u}{u}: Shallan Davar loses all other creature types
except human, and becomes a Noble.