You vs AI. Shared deck of the 16 starter cards (2 copies each). Start with 5 cards and 20 life.
Each turn: draw 1, mana = turn number (max 10). Play one Creature/Hero/Legendary to your board (max 3),
plus Tricks/Reactions you can afford. Then Attack or End Turn.
Phone: tap a green-border card to play · long-press to inspect full art · swipe the hand to scroll.
Attack / End Turn sit in the thumb bar at the bottom.