What is my unique selling point?

A first step in creating any campaign is determining what's the idea that will catch everyones attention, and then focusing on that idea throughout the campaign.

For spellbook, I have managed to pinpoint two major unique selling points:

1. Cards contain beautiful hand-drawn illustrations, with each card being separately created from scratch, including elements like background, borders and the artwork itself.

2. Online shop allows users to either purchase random packs of cards, or each card specifically, as all the cards share the same price and are available for deckbuilders to purchase.