金(こん)色(じき)の襲(しゅう)撃(げき)者(しゃ)

Whenever Gilded Ambusher attacks, you may sacrifice another nonland permanent. When you do, each opponent exiles a nonland, nontoken permanent they control and a random nonland card from their library, then Gilded Ambusher deals damage to them equal to the total mana value of the cards exiled this way.