There are loads of sites available to self publish so to speak your own Tarot deck created ... try
https://www.makeplayingcards.com/des...rot-cards.html
or try
https://shuffledink.com/custom-tarot-cards/
There are so many others you may need to google Self-publish print own tarot decks etc....
Some offer just so you can buy just one set some many others ...
To create your own deck for online or virtual use .. I just created a few decks using Digital art and one using photos of drawings I did and another I am using photos I took and playing with them ...
I used A variety of editing programs like photoshop, gimp, magix7, fotor and photoscape .. Mainly offline editors but there are some that allow you to create online ...