Like the wargames of the ’70s and ’80s, collectible card games have increasingly been going digital. Some, like the wildly popular Magic: The Gathering, started out as physical games before digital spin-offs cropped up, while others, like Hearthstone, were developed as videogames from the ground up. While the settings, rules and mechanics often differ a great deal between them, these strategy-adjacent games task players with creating decks of armies, heroes, buildings, spells, or just broad concepts. Hybrids have been appearing too, like Card Hunter, which mixed tabletop RPGs with CCGs and tactical combat, and Valve’s upcoming Artifact, inspired by Dota 2.…