Qiara, the Creator

When Qiara, the Creator enters the battlfield,
you may search your library for up to two
equipment cards and put them into your hand.
Whenever an equipment enters the battlefield
you may pay {5}. If you do, put a 5/5 Mech
artifact creature token with (Sacrifice 10 Mechs:
Create a 10/10 Supermech artifact creature
token.)
{u}{b}{r}{t}: Gain control of target artifact.