https://www.pcgamer.com/watch-20-minutes-of-artifact-gameplay-from-pax/

Valve has finally, fully revealed its Dota 2-based card game Artifact at PAX, with a video from IGN showing off nearly 20 minutes of uncut gameplay.

The basics are what you'd expect—build decks of heroes, spells, and items, select your cards, and do mana-fueled battle on a colorful, pyrotechnic game board—but it looks to be every bit as complicated as it sounded in our recent preview: A hero and "creeps" in each of three lanes do battle sequentially, after which a "shopping phase," where gold earned from kills can be spent on item cards, takes place.