Hat Kid, Time Traveller

Opponents that control a Time Piece have shroud.
{4}{u}{u}, {t}: Create a colorless Time Piece artifact
token with "{3}{u}{u}{u}, {t}: Target player takes an
extra turn after this one." Target opponent gains
control of it.
{1}{u/r}{u/r}, {t}: Hat Kid fights target creature you
don't control. If Hat Kid didn't die this turn, gain control of target artifact.