Providing additional rares and mythic cards when opening backs, Golden Packs makes pack opening more viable for most players
Five-mana creatures have to be extremely good to see lots of Standard play because there is so much competition at that slot between the different mythics, yet I think Crested Sunmare can get there
Pokemon can only attack once per turn
If another ability of a source you control triggers when attackers are declared, such as that of Hamlet Captain, you may have it resolve before or after that of Hanweir Garrison or Hanweir, the Writhing Township
The golden opportunity: New secret rares and foil cards Pokemon TCG Pockets rarest cards have always been gaudy gold full-art Pokemon illustrations, but that seems like its starting to change with the Deluxe Pack Ex expansion
If sending just one or two cards, consider taping the card-holding top-loader(s) between two more empty top-loaders, for extra rigidity and peace of mind (ensure tape is applied at the sides, so there is no way for the card(s) to come in contact with the tape)