First, familiarize yourself with the basics: Pokmon cards come in rarities like Common, Uncommon, Rare, and ultra-rares such as Illustration Rares or Hyper Rares
Call of the Ring is the most reliable source of temptation in the set, giving you a guaranteed trigger every turn on your upkeep
This iis of course symmetrical, but because you get to decide the mana to pay for it, you will be able to find a way to make it feel less symmetrical most of the time
These cards are meant to provide that little bit of extra oomph, not support an entire tribal deck on their own
For each non-land permanent milled this way, you lose 1 life and a rad counter. This is quite interesting from a gameplay point of view
InQuests version of purple focused on Shapeshifters and mind control effects as its mechanical identity