Dwarven Mechanic

{1}{r}, {t}: Put a colorless artifact token named Pit Trap onto the battlefield. It has "Sacrifice this artifact: Pit Trap deals 2 damage to target attacking creature without flying."
{2}{w}, {t}: Put a colorless artifact token named Cage Trap onto the battlefield. It has "Sacrifice this artifact: Tap target attacking creature without flying and prevent all damage dealt to and by that creature this turn.