Blues Midnight Clock is a way to refresh your hand, and Misleading Signpost can save you from a meticulously planned attack that just barely kills you
If this set is on your list, earlier is better than later
If you play with the same people often enough, analyzing the metagame in your play pod is also useful for determining how much card draw you need
3 Duskana, The Rage Mother The Bears Are On The Case An incredibly unique legendary creature, Duskana, the Rage Mother slots well into a deck with all sorts of face down shenanigans, but also if you want to put together a deck dedicated to 2/2 creatures, like Bears
Colorless mana costs for a card can only be met with sources that produce colorless mana, and cannot be met with any other colored mana source, compared to "generic" mana costs which can use any colored or colorless mana source
Full Pokemon Card Rarity Breakdown