'Hearthstone' Patch 22.4 Update Guide: New Mini-Set, Tweaks for 'Battlegrounds,' 'Mercenaries', and More : Games : Gamenguide

Hearthstone's incoming Patch 22.4 Update will bring in the new "Onyxia's Lair" Mini-Set, along with changes and additions for both its Battleground and Mercenaries game modes.

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