Small World is a new card that has recently grown in popularity as a way to increase the consistency of some decks
Whatever your thoughts on that, Edge of Eternities is the opposite, offering a new set with a more cosmic focus but still within Magics own universe (although it is sandwiched between Final Fantasy and Spider-Man)
Of course, your own experience will vary, but thats a pretty good range of pulls (although the rarest card weve pulled from a Paradox Rift product so far was a special illustration rare from a Build and Battle Box
Birthing Pod Good enough to spawn an entire archetype named after it, several pod commanders, and 25 different Wish.com versions, Birthing Pod spawned, er, birthed a whole subset of decks focused on working up a chain of creatures
Unlike my hidden gem list, I ignore popularity for this list
Divine Arsenal AA-ZEUS - Sky Thunder can be summoned by placing it on top of any XYZ monster already on the field, which makes it a lot easier to summon than it normally would be with its listed materials