Outreaching Soma

As an additional cost to cast Outreaching Soma,
turn up to two creatures you control face down.
Outreaching Soma costs {2} less to cast for each
time this cost was paid. Those creatures can't
be turned face up this turn.
{3}, {t}: Put a -1/-1 counter on Outreaching
Soma, then search your library for an artifact
creature card with mana value less than or equal
to Outreaching Soma's toughness, put it onto the battlefield, then shuffle.