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Games like Hearthstone: Book of Mercenaries
If you finished Hearthstone: Book of Mercenaries, the closest matches are Unicorn Overlord, Hellcard, Yu-Gi-Oh! GX Spirit Caller, Tears of Avia and Magic: The Gathering - Duels of the Planeswalkers. All 10 share its card & board game genre and are ranked by how closely their themes and modes overlap.
