Hazard, Scythe of the RNW

When Hazard, Scythe if the RNW enters the battlefield, sacrifice up to three target artifacts
under your control. Create a colorless X/X construct, where X is the combined mana costs of
the sacrificed artifacts.
{X}{3}{t} Search your graveyard for an artifact with
mana value X or less and return it to the
battlefield under your control.