Vandalblast

Destroy target artifact you don't control.
Overload {4}{r} (You may cast this spell for its overload cost. If you do, change its text by replacing all instances of "target" with "each.")

"Knew a guy who'd get 3 or 4 kills with a single sniper bullet. Asked him the trick. He said, "ask 'em real nice to stand in a straight
line."