Anvils, clearly. An unlimited supply of iron ftw! Also; hilarity ensues if you position your artillerypiece atop a large building. The streets below will seem to be a real-life Looney Tunes set!
Washing Machines
Drying Machines
Grand Pianos (the ones with wheels)
Anvils
Iron Safes
Cardboard Boxes
					
						
					
						
					
						
					
						
					
						
					
						
					
						
					
						
					
						
					
						
					
				
			
			
			
				Anvils, clearly. An unlimited supply of iron ftw! Also; hilarity ensues if you position your artillerypiece atop a large building. The streets below will seem to be a real-life Looney Tunes set!
From your options: Anvils
From my options: Electricity, make 'em suffer time and time again![]()