Over a dozen Hearthstone cards receive buffs, nerfs in upcoming patch - Inven Global
Hearthstone Top Decks - It's your last chance to disenchant cards nerfed in Patch 22.0.4 for their full crafting cost! 8 cards are eligible for full dust refunds (Bloodsail Deckhand is Core).
Balance Changes visualized. : r/hearthstone
These Theee 'Hearthstone' Cards Will Be Nerfed on October 18th – TouchArcade
Blizzard offers refund for nerfed $25 Hearthstone card | Ars Technica