Critical Issue with LoR mulligan.
During mulligan, for some reason, in your 40 card deck you always redraw the same card that you discard roughly 60% of the time. It doesn't matter how many copies of that card you have even if it is just one you have above a 50% chance of redrawing that same card or copy. After playing since the open beta, start the trend is very noticeable and needs to be fixed asap.
You get given a dead hand, when you have over 20 cards under the cost of 5 and roughly 10 spell cards, yet more often than not you mull the high cost cards or hand full of spells and redraw the same if not worse way more than 50% of the time.
The mulligan should weigh the odds on the redraw to be less than what you have in cost, not more than, otherwise the mulligan is utterly pointless in design.