Ninja Student, Uzhon

Flash, Ninjutsu {u}{b}
Face Down {u}{u}{b}{b}: You may pay the face
down cost of this card instead of its casting cost.
It enters the battlefield face down and can block
up to three creatures. When it dies flip it over
and pay {b}{b} or sacrifice it.
{u}{u}{u}{b}{b}: Exile Human Student, Uzhon.
Return it under its owners control transformed
during your next upkeep.