Hearthpwn

At 9 mana you can do hero power and Silas Darkmoon to steal an opponent's minion and give it a 1/1.
In any case you will often have Silver Hand Recruit on board so you can do Silas Darkmoon even at 7 mana. But remember never to place minions to the right of Silver Hand Recruit to always be ready to do Silas Darkmoon for give them a 1/1 to the opponent and steal a minion.

Silas Darkmoon it won me 2 games and was useful other times.

Against Libram Paladin I stole all the Libram of Wisdom after the opponent did Lady Liadrin.

Against Control Warrior I stole Rattlegore.

Against priest I took back Aldor Truthseeker with all the Libram of Wisdom after he had played Cabal Acolyte + Wave of Apathy.

I am playing it in top 200 Legend in EU with excellent results.

   

 

Mulligan:

First Day of School,Aldor Attendant, Murgur Murgurgle, Loot Hoarder, Hand of A'dal ,   Salhet's Pride  and Libram of Wisdom (Not in all matchups if you don't have early game).

With the coin if you already have the early game High Abbess Alura and Aldor Truthseeker

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Matchups and Tips

When you want do Lady Liadrin go first Pen Flinger to have an extra Libram of Wisdom in your hand. Warning! Do not make 2 because if you play later Libram of Wisdom  you discard a Pen Flinger.

Demon Hunter:It's a good match up. You win with healings and the taunt. When you have played a minion whit taunt  like Libram of Hope if you can play as many cheap minions to play around Blade Dance, so it is less likely to hit the taunt.

Warrior:Against Bomb Warrior is a similar match to DH but here you have to play around Bladestorm and Brawl. When playing a taunt, the best thing to do is play just another minion with more than 2 health, he can't do Brawl (it's 50%) and he can't do Sword and Board + Bladestorm for a complete removal. Against Control Warrior plays many minions cheap for him to use Brawl, if it ends it you win with Murgurgle Prime.You keep Silas Darkmoon for steal Rattlegore.

Hunter:Against Hunter try to make an aggressive start and your goal is to minimize the damage he can do to you.If he has played secrets and you only have Aldor Truthseeker or Libram of Hope or Devout Pupil on the board do not attack. It could be Freezing Trap, try to play cheap pieces and hero power, the next turn you activate the secret with them. In this situation if you can don't even do spells to play around Pressure Plate.

Rogue:Against Secret Rogue if he has a secret don't play the same turn Libram of Wisdom + Aldor Attendant or Aldor Truthseeker, it might be Plagiarize and you value him too much.

Priest:it's the worst matchup but it can be won. If you can not leave on the board Libram of Wisdom or in any case play them on several minions and not all on one to play around Cabal Acolyte and Cabal Shadow Priest. To play around Soul Mirror place your best pieces on the right, Soul Mirror start from the left and if it has minions on the board it may not have space.

Mage:Difficult but winnable matchup. Respect minions with "spell damage" and Mana Giant for Potion of Illusion. At the same time You maximize face damage, he has no heal.

 Paladin:Keep mulligan Aldor Truthseeker and Libram of Wisdom. Then in mirror match whoever has the most luck wins. You use Silas Darkmoon for steal many Libram of Wisdom.

 

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28/10: I changed  Novice Engineer for Wild Pyromancer

 Wild Pyromancer is a mass removal with Libram of Justice. It's great for early game removals if you need to with all the spells you have. In late after Lady Liadrin is a mass removal with all Libram of Wisdom you have in hand at 0 mana. 

 Win rate with the latest version: