Carian Retaliation

Counter the next noncreature spell target
opponent casts this turn. That opponent loses
life equal to that spell's converted mana cost.
Ash of War (Then you may exile this spell card
encoded on an artifact Equipment you control that
hasn't been encoded. Whenever a creature with that equipment attached to it attacks, its controller may
cast a copy of this card without paying its mana cost.
The copy must target the equipped creature if able.)