Each booster box contains 36 booster packs, each pack contains 10 random cards from the Breakpoint master set
(2) If this card in its owners possession is sent to the GY by an opponent: You can add, from your GY to your hand, up to 2 cards with different names that are Ritual Monsters and/or Ritual Spells
Redditor Unassorted, for instance, suggested hes not even going to attempt to finish out the full set of Lost Origin or Silver Tempest thanks to the cost of some of the singles in the sets
This article on the Magic judges blog correctly states that pile shuffling is an optimal randomization method if we start from an unknown deck configuration, and suggests that people use it in tandem with other shuffling methods
Its activated effect on the field allows you to special summon one Labyrinth monster from your hand, deck, or graveyard, then after that monster is summoned, you must return one monster you control to the hand
If you're looking for a set to grab awesome Eeveelution and Rayquaza cards from, this is a great choice