subroutine:launch;

Exile an artifact from a graveyard: subroutine:launch; deals damage to any target equal to the exiled artifact's converted mana cost.

Wand {3}{r} (If you cast this spell from your
hand, you can cast it for its wand cost. If you
do, its a wand artifact and gains "{t}: Create a
copy of this artifact except its an artifice
instant. You may cast it without paying its
mana cost.")