Hearthstone's Next Expansion Is All About Trolls

Hearthstone’s next expansion will be a Troll-themed set called Rastakhan’s Rumble, Blizzard announced during the BlizzCon 2018 opening ceremony.
Early reports say the expansion will add 135 new cards to Hearthstone, all themed around a massive Troll competition where nine tribes (one for each class) fight for dominance at the behest of Troll King Rastakhan. It will also introduce the keyword Overkill, which provides a bonus if you deal more damage than you need when killing a mi