Here is another digital TCG.
Platform: Android, IOS, Windows and Mac
Official Site: http://www.cabalsgame.com/
I have only played through a tutorial i.e. not qualified to give much review about this game yet. In brief, it has one unique mechanics compared to other TCG that I have reviewed/played so far. The game’s goal is to conquer opponent’s strongholds. This is done by moving your unit/card one tile at a time.