The 12 Biggest Nerfs in "Hearthstone" History - LevelSkip
A Look in the Past: Nerfed/Changed Cards - Dot Esports
Hearthstone Top Decks💙 (@HSTopDecks) 的推文及回覆 / Twitter
Nerf NOW!! — Undertaker Nerf
Top 5 Hearthstone Decks of ALL TIME | Tempo Strategy [Scholomance Academy] - YouTube
Balance Changes visualized. : r/hearthstone
Undertaker nerf bypassed if you don't restart client (you can currently climb ranked with him pre-nerf) - General Discussion - Hearthstone General - HearthPwn Forums - HearthPwn
Hearthstone neutral nerf reverts: Undertaker, Leper Gnome, Dragonqueen Alexstraza, more | GINX Esports TV