It's very powerful on a cheaper 2-drop but it's more fragile as creatures are easier to answer than artifacts
-Both spell and/or trap cards: Add 1 Spell or Trap card from your Deck to your Hand
The same rules apply as with evolution, however: a Pokmon cannot be Leveled-Up in the same turn as it is played or evolved and a Pokmon that is Leveled-Up will lose all Special Conditions affecting it (though only the Active Pokmon, not the player's Benched Pokmon, can be Leveled-Up)
Guile does a bunch of different things, but it doesnt point to any specific way to surround it aside from proliferation
Each pack includes 14 cards with 1-4 Rares or higher, plus the usual mix of uncommons and commons, and at least one Traditional Foil
To be in with a chance at even opening one of these special packs, players first had to compete and were ranked based on their scores and Prize Cards