Counterspell is almost always the better choice
Bargain hunters might want to opt for heavily played (HP) instead, as those copies are only about $15
It might be smarter to grab a pre-constructed deck or check out Pokmon TCG Live to get a basic idea of how to play and how decks work
There are so many paradox-style cast-from-exile payoffs now that you could just run the front half of this battle and be happy
(Your party consists of up to one each of Cleric, Rogue, Warrior, and Wizard.) At the beginning of combat on your turn, if you have a full party, creatures you control get +1/+0 and gain indestructible until end of turn
If you can drop her aura on Light-Paws on a key turn, not only is the buff pretty huge, but it also lets you use Light-Paws tutor ability to grab another powerful expensive aura that can put you over the top, like Sage's Reverie or Mantle of the Ancients