Under Construction

Suspend 10 - {0} (You may suspend this card without controlling a legendary creature or planeswalker)
As an additional cost to cast this spell, sacrifice
five artifacts.
Search your library for an artifact with converted
mana cost less than or equal to the total converted
mana cost of the sacrificed artifacts. Reveal it, and
put it onto the battlefield tapped. Then shuffle
your library. Exile Under Construction