Masters Edition IV

Harsh Justice

Cast Harsh Justice only during the declare attackers step and only if you've been attacked this step.
This turn, whenever an attacking creature deals combat damage to you, it deals that much damage to its controller.

Cast this spell only during the declare attackers step and only if you've been attacked this step.
This turn, whenever an attacking creature deals combat damage to you, it deals that much damage to its controller.

Portal

Play Harsh Justice only after you're attacked, before you declare interceptors.
This turn, each attacking creature that damages you also deals equal damage to the attacking player.