This command will gives you a shield that serves both offensive and defensive, one shots everything including the ender dragon and wither if in main hand,become invincible if in off hand. plus THEY HAVE COLORSSSSSSS Made Using: MCStacker for the shield itself (might as well share it here because im lazy to sign up there) and Color Command Generator for the color and the command (Note: Armor Toughness isn't available in 1.9 but the shield itself still works perfectly fine)