I tried a few variations of the deck with High Abbess Alura and here are my thoughts on the card.
The value we are looking for here is for High Abbess Alura to cast 1 of our Libram of Hope spells from our deck on turn 4. This usually yields a win condition if the opponent can't deal with an 8/8 with taunt and divine shield.
However we have to consider the probability that we will first draw her before turn 4 and then have a cheap spell to proc her. Then we have to consider the odds that she will cast 1 of our Libram of Hope spells. We run 14 spells so we have a 2:14 chance for her to cast 1 of our Libram of Hope spells. 2 out of 14 or roughly 14% chance for her to hit the nuts is unfortunately too low of odds to be consistent enough for us.
Now the really bad part. If she cast 1 of our Libram of Justice spells on turn 4 we thin our deck 1 Libram of Justice card which is a very important piece of our removal package. We can't afford to give that card up under any condition. It also reduces the odds that we will draw our 1 remaining Libram of Justice which we will need for removal of nasty minions the opponents will be playing on us.
I found that that running 2 cards that are not as powerful make up for High Abbess Alura and I had a better win rate when she was not causing this uncertainty of which spell she is going to cast and am I going to get her before turn 4. Because if I get her on turn 12 and play her even if we hit the nuts combo the opponent can usually deal with an 8/8 with taunt and divine shield on turn 12.
I hope this explanation helps and if you have any more questions please let me know. Thanks and good luck playing!! :)
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What do you think of High Abess Alura? I see you did not include her.