Danzo, Crafting Division Head

When Danzo, Crafting Division Head enters the battlefield, you may search your deck for three artifacts.
{r}: Danzo deals three damage to any target.
{b}: Destroy target artifact or enchantment.
{7}{t}: Create a 1/1 colorless contraption artifact creature token with "{1}{t}This artifact gains
+1/+1 and creates a copy of itself."