Gwent is a free-to-play TCG in universe of Witcher.
Magic Duels: Origins is a TCG in Magic the Gathering setting.
Hex: Shards of Fate is a multiplayer TCG with RPG elements.
Magic: The Gathering Arena is a free-to-play digital card game, developed by Wizards of the Coast.
Hearthstone is a turn-based FtP online card game based on the lore of the Warcraft.