Originally Posted by
Que
I actually like Ancient Grudge because its one of those cards you don't need to have in your opener for it be good and if you do open with it then you gain a lot more value. Generally I use it to blow up troublesome equipment (Jitte namely), artifact hate (Tormond's Crypt, Nihi Spellbomb, Relic of Prog), and other random artifacts I might care about (Ensnaring bridge which I can't actually beat via Attack step, Chalice of the Void, Painter, Grindstone, etc.)
If Ancient Grudge is only half an answer to Cage, then Ray of Revelation is the same to Leyline, though I would agree that Cage is definitely seen a lot more. And there is at least the added benefit of being able to take out a RIP.