I am still creating an "oracle" (? Tarot-based however) that I have used & that works for me.
I use Tarot "stones", which is a hard-to-find set that I got from a trade on here. I invented my own way to cast them. I have a sticker on my table of a sun/moon-face that has the phases of the moon around it. I took a large piece of very heavy-stock paper/card & stamped a compass on it & made 4 spaces around it for NW, NE, SE & SW respectively, as my own board; these provide me with a basis for reading the stones with the Elements & directions indicating what area they affect, much as the Minors in the deck represent these things. (The "stones" represent the Majors.)
My own idea is to package up this board & make tiny 3-dimensional symbols that are representative of each Major, to "cast" on the board. I have made a few - the 1st 5 I think - from Sculpey, but ultimately I really want to use "metal clay" & fire them!
I would love it if they were silver - possibly with gold plating for those whose elemental associations would warrant that going over it - but it's VERY expensive & I haven't been able to do this yet.
I want to complete this idea & do my Tarots, maybe "publish" them all myself, just to get the idea out there.