As fans of Blizzard’s popular card game, Hearthstone are aware the single-player adventure expansion Curse of Naxxramas is due to be released within 4 days. With the expansion comes a five-part campaign to play including bosses to fight. There will also be new cards added to the game, more than 30. Some of them have actually been revealed ahead of the beginning of the month-long release event. Here they are:
 
   Undertaker
Minion, 1 mana cost, 1 attack and 2 health. Gains +1/+1 for every summoned minion with Deathrattle.
 
 
   Dancing Swords
Minion, 3 mana cost, 4 attack and 4 health. Deathrattle: Upon death allows your opponent to draw a card.
 
 
   Nerubian Egg
Minion, 2 mana cost, 0 attack and 2 health. Deathrattle: Summons a Nerubian with four attack and four health.
 
 
   Baron Rivendare
Legendary minion, 4 mana cost, 1 attack and 7 health. Allows all minions to trigger Deathrattle abilities twice.
 
 
   Shade of Naxxramas
Minion,  3 mana cost, 2 attack and 2 health. Stealth, gains +1/+1 at the start of your turn.
 
 
   Loatheb
Minion, 5 mana cost, 5 attack and 5 health. Battlecry: Enemy spells cost 5 mana more next turn.
 
 
   Poison Seeds
Spell, 4 mana cost. Destroys all minions and summons 2/2 Treants to replace them.
 
 
   Death’s Bite
Weapon, 4 mana cost, 4 attack and 2 durability. Deathrattle: Deals 1 damage to all minions.
 
 
   Avenge
Secret, 1 mana cost. When a minion dies, give another friendly minion +3/+2.
 
 
    Anub’ar Ambusher
Minion, 4 mana cost, 5 attack and 5 health. Deathrattle: Return a friendly minion to your hand.
 
 
   Rebirth
Spell, 2 mana cost. Destroy a minion then return it to life with full health.
 
 
   Duplicate
Secret, 3 mana cost. When a friendly minion dies, you can put two copies of it in your hand.
 
 
  Dark Cultist
Minion, 3 mana cost, 3 attack and 4 health. Deathrattle: Gives a friendly minion +3 health.
 
 
   Voidcaller
Demon minion, 3 mana cost, 3 attack and 4 health. Deathrattle: Put a Demon from your hand onto the Battlefield.
 
 
   Webspinner
Beast minion, 1 mana cost, 1 attack and 1 health. Deathrattle: Draw a random Beast card.