The only logic we can see is that the High Class production lines are idle and have been retooled for the Deluxe set to increase capacity, it seems the 35 card per pack uses slightly larger foil flow wrap than regular packs, it seems they are trying to reduce packaging and packing time with these boxes
You just need to make sure you have enough basic lands to get the best use out of this
Together with Litten and Kitsune (from the Silver Stormwinds set), they form a way out of this situation with Relicanth's ability " Memory Dive "
Despite 7th Edition being white-bordered, the decision was made for the foils to have a black border, which is great
Three Ruby and three Sapphire, a 50/50 split, just like the other deck
This takes the place of the Monster Role, so the Monster Role token heads to the graveyard