Curse of Naxxramas

Curse of Naxxramas is a Hearthstone patch released on Aug. 6, 2014. It was versioned 1.1.0 with the build number 5997. It was released during the expansion Curse of Naxxramas

Card Changes

• Eaglehorn Bow - Now reads "Whenever a friendly Secret is revealed, gain +1 Durability" (previously triggered by all Secrets).

New Collectible Cards

New cards have been added to the game.

New Druid Cards

• Poison Seeds - "Poisonseed Bagel" is the least popular bagel at McTiggin's Druidic Bagel Emporium.

New Hunter Cards

• Webspinner - Spider cocoons are like little piñatas!

New Mage Cards

• Duplicate - The one time when duping cards won't get your account banned!

New Paladin Cards

• Avenge - Several paladins have joined together to deliver justice under the name "Justice Force". Their lawyer talked them out of calling themselves the Justice League.

New Priest Cards

• Dark Cultist - The Cult of the Damned has found it's best not to mention their name when recruiting new cultists.

New Rogue Cards

• Anub'ar Ambusher - Originally he was called "Anub'ar Guy who bounces a guy back to your hand", but it lacked a certain zing.

New Shaman Cards

• Reincarnate - It's like birth, except you're an adult and you were just dead a second ago.

New Warlock Cards

• Voidcaller - "Void! Here, void! Here, buddy!"

New Warrior Cards

• Death's Bite - "Take a bite outta Death." - McScruff the Deathlord

New Neutral Cards

• Kel'Thuzad - Kel'Thuzad could not resist the call of the Lich King. Even when it's just a robo-call extolling the Lich King's virtues.
• Maexxna - Maexxna gets super mad when people introduce her as "Maxina" or "Maxxy".
• Loatheb - Loatheb used to be a simple Bog Beast. This is why we need stricter regulations on mining and agriculture.
• Feugen - Feugen is sad because everyone likes Stalagg better.
• Stalagg - Stalagg want to write own flavor text. "STALAGG AWESOME!"
• Baron Rivendare - There used to be five Horsemen but one of them left because a job opened up in the deadmines and the benefits were better.
• Shade of Naxxramas - I would've thought the giant, floating necropolis that is Naxxramas would cast a bigger shadow.
• Echoing Ooze - OOZE... Ooze... Ooze... (ooze...)
• Sludge Belcher - DO NOT GIVE HIM A ROOT BEER.
• Wailing Soul - This soul just <i>wails</i> on you. Dang, soul, let up already.
• Deathlord - "Rise from your grave!" - Kel'Thuzad
• Nerubian Egg - Eggs are a good source of protein and Nerubians.
• Spectral Knight - What do Faerie Dragons and Spectral Knights have in common? They both love pasta!
• Stoneskin Gargoyle - Stoneskin Gargoyles love freeze tag.
• Dancing Swords - They like to dance to reggae.
• Haunted Creeper - Arachnofauxbia: Fear of fake spiders.
• Mad Scientist - His mother wanted him to be a mage or a warlock, but noooooooo, he had to go and be a scientist like his father.
• Nerub'ar Weblord - Weblords spend all day making giant trampoline parks.
• Unstable Ghoul - Filling your Ghouls with Rocket Fuel is all the rage at Necromancer school.
• Undertaker - In a world where you can run to a spirit healer and resurrect yourself, Undertakers do pretty light business.
• Zombie Chow - Zombie. It's what's for dinner.

Official Patch Notes

Quote From Blizzard

Curse of Naxxramas: A Hearthstone Adventure

• Curse of Naxxramas offers a new single player campaign to play Hearthstone against challenging NPC adversaries. Curse of Naxxramas can be unlocked with gold or real money and can be accessed by players that have unlocked all 9 heroes.
• Defeat 15 fearsome bosses to unlock a total of 30 new Hearthstone cards for your collection, including Legendary cards! Naxxramas cards can easily be searched for within My Collection using the search function.

• An all-new interactive Naxxramas-themed game board awaits you within the Adventure! Discover the surprises that lurk inside the slime pools, the quivering masses of spider eggs (spoilers: It’s spiders), and more!
• Surmount 9 diabolical Class Challenges that test your skills with each of the unique classes of Hearthstone!
• Defeating all of the bosses within a wing unlocks the extremely challenging Heroic Mode of that wing. Defeating all of the bosses of Naxxramas on Heroic mode unlocks a new card back for your collection.
• Five unique wings await those brave enough to venture into Naxxramas. The first wing, The Arachnid Quarter, will immediately be available to play for free for a limited time. The remaining four wings are immediately available for players to unlock with real money or gold, and will become accessible over a period of time once unlocked. 
  • The Arachnid Quarter – A web choked maze filled with many-legged minions.
  • The Plague Quarter – Necromancers brew deadly plagues while a fungal monstrosity lies in wait.
  • The Military Quarter – Tireless undead knights perfect their deadly arts within these chambers.
  • The Construct Quarter –Abominations stitched together from the Scourge’s victims stomp through these slime soaked halls.
  • Frostwyrm Lair – Chilly abode of Sapphiron and the arch-lich Kel’thuzad himself. (A curse upon my air conditioning bill!)

General

• Marking yourself as “Busy” within the Battle.net desktop app will suppress incoming chat messages and toasts for friend requests.
• The Shop interface has been updated to include Curse of Naxxramas.
• Cards available within each wing of Naxxramas will become available in the Arena when that wing becomes available to play.
• The order in which Deathrattle abilities resolve has been updated to be more consistent.
• Additional music tracks have been added.
• Players that appear in “Players Near Me” now appear more prominently within the Friends List.
• Overall organization of the Friends List has been improved.
• Sounds and graphics that occur when Mass Disenchanting now take less time to complete.
• Cards can now be searched for using the artist of the card art in the Collection Manager.
• [iPad] Improvements were made to increase stability, especially for iPad 2 and iPad mini.
• [iPad] Tooltips that appear when selecting an object by touch are now positioned in a more intuitive place.

Card Changes

• Eaglehorn Bow now reads “Whenever a friendly Secret is revealed, gain +1 Durability”.

Practice Mode

• Practice Mode is now entered through the Solo Adventures button on the main menu.
• The AI in Practice Mode is now better at Hearthstone.

Bug Fixes

• Improved various tooltips.
• Resolved various issues regarding audio, text, animation, and display.
• Resolved various issues that could cause cards to get stuck on the battlefield.
• Actions should now be accurately represented in the play history.
• The red targeting cursor will now properly track where you mouse cursor is pointing for your opponent in Play and Arena Modes.
• The turn timer in a Friendly Challenge now calculates time correctly.
• All Soulbound Common cards can now be properly found when searching for “Common” in the Collection Manager.
• Disenchanting will now properly update the amount of Arcane Dust you have.
• The side of the board is no longer visible on the Arena screen in specific resolutions while in windowed mode.
• The XP bar for max level heroes no longer appears empty.
• You are now able to properly select a friend by clicking on their Play Mode medal.
• An incorrect version of the Hero Power icon will no longer appear when switching between golden and non-golden heroes while the Choose Opponent menu is displayed.
• The Friendly Challenge button will now properly appear next to friends who have recently logged in or have been added to your friends list.
• The Shop window no longer incorrectly closes when clicking within the Shop UI.
• The scroll bar will no longer jump to the top of the Friends list when moving the cursor over the Last Played area of the Friends list.
• Clicking the End Turn button at the very start of your turn no longer prevents the End Turn button from flipping back.
• Resolved an issue where conceding can cause the client to crash.
• The resolution time of certain spells has been shortened.
• Resolved an issue with Brawl where the last minion to enter the fray was always the victor of the ensuing battle.
• Resolved various issues with the Sword of Justice.
• Resolved an issue with Shield Slam where it was being unaffected by Spell Damage if the Hero had 0 Armor and now has Spell Damage sparklies.
• A weapon that is equipped on your turn will no longer have the attack value appear on the sheathed weapon on some resolutions.
• [iPad] Improved notifications to properly indicate when your account has been logged into from another device.
• [iPad] It is now more obvious when a daily quest is successfully replaced.
• [iPad] The Social button no longer stops working after locking the device.

Mac

• Improvements were made to stability.