How does The Holy Grail compare to TnR? Both seem VERY similar. I'm familiar with TnR, and if this is very close, then there's no need to pick the Holy Grail.
Well, with TnR, the gimmick is reusable. In the Holy Grail, it isn't. I think the Holy Grail is so much more visual, as you get to show BOTH SIDES of the card DURING the restoration.
As I said before, I personally don't like making the gimmick, but it still is an overall nice trick.
;D