Card game without the use of CCG toolkit

Without knowing the design requirements for your game, this is one way of doing this.

At a top level I’m thinking a card (actor) blueprint that can be spawned into the world and will hold variables such as card value and have a static mesh component thats the card to show the user.

The card bp is spawned into the world in view of the players camera.

You could then create another class that handles the adding/subtracting. Depending on the design of your game the add/subtract functions may be more suitable back in your card blueprint.

You would then have a widget blueprint containing a button that when pressed will add a new card to the screen (add/subtract logic then runs)

I dont know if there’s any win/loose conditions as you haven’t defined this.

I think you need to be more specific about what you’re after from your post, otherwise its just guess work.