Nekroz of Clausolas

Ritual (This creature can't be cast and can only be
placed from your hand onto the battlefield by casting
a Nekroz tribal sorvery)
{t}: Target a Fusion, Synchro, Xyz or Link
creature, its power becomes 0 until the end of
the turn.
{1}, Discard this card: Search your library for
a Nekroz tribal sorcery.