confirmed
Card list-
Warlock-
Malchezaar's Imp - 1 Mana, 1/3, Common - Whenever you discard a card, draw a card.
Kara Kazgam! - 5 Mana Spell, Common - Summon a 1/1 Candle, 2/2 Broom and 3/3 Teapot
Silverware Golem - 3 Mana, 3/3, Rare - If you discard this minion, summon it.
Mage-
Babbling Book - 1 Mana, 1/1, Common - Battlecry: Add a random Mage spell to your hand.
Firelands Portal - 7 Mana Spell, Common - Deal 5 damage. Summon a random 5 cost minion.
Paladin-
Ivory Knight - 6 Mana, 4/4, Rare - Battlecry: Discover a spell. Restore health to your hero equal to it's Cost.
Hunter-
Kindly Grandmother - 2 Mana, 1/1, Common - Deathrattle: summon a 3/2 Big Bad Wolf.
Rogue-
Ethereal Peddler - 5 Mana, 5/6, Rare - Battlecry: Reduce the Cost of cards in your hand from other classes by (2).
Druid-
Enchanted Raven - 1 Mana, 2/2, Common - No Effect
Moonglade Portal - 6 Mana Spell, Rare - Restore 6 health. Summon a Random 6-cost minion.
Warrior-
Protect the King - 3 Mana Spell, Rare - For each enemy minion summon a 1/1 Pawn with Taunt
Fool's Bane - 5 Mana Weapon, 3/4, Common - Unlimited number of attacks each turn. Can't attack Heroes.
Neutrals-
Netherspire Historian - 2 Mana, 1/3, Common - Battlecry: If you are holding a Dragon, Discover a Dragon.
Zoobot - 3 Mana, 3/3, Common - Battlecry: Give a random friendly Beast, Dragon and Murloc +1/+1.
Pompous Thespian - 2 Mana, 3/2, Common - Taunt
Book Wyrm - 6 Mana, 3/6, Rare - Battlecry: If you're holding a Dragon, destroy an enemy minion with 3 Attack or less.
Barnes - 4 Mana, 3/4, Legendary - Battlecry: Summon a 1/1 copy of a random minion in your deck.
The Curator - 7 Mana, 4/6, Legendary - Taunt. Battlecry: Draw a Beast, Dragon and Murloc from your deck.
Prince Malchezaar - 5 Mana, 5/6, Legendary - At the start of the game, shuffle 5 random Legendary minions into your deck.
Moroes - 3 Mana, 1/1, Legendary - Stealth: At the end of your turn, summon a 1/1 Steward.
Medivh, the Guardian - 8 Mana, 7/7, Legendary - Battlecry: Equip Atiesh, Greatstaff of the Guardian. - 3 Mana Weapon, 1/3 - After you cast a spell, summon a random minion of that Cost. Lose 1 Durability.