The Mystic does have a decent enough baseline, but if your deck doesnt have a few ways to draw extra cards, its just going to be an okay card in your deck
RRCC - Eternal Blaze 180 This Pokmon can't attack during your next turn
Ultra Pro Deck Protectors are simply the best choice for decoration, allowing your deck to show off a little before its even entered play
Giratina doesn't have a Poke-Power or Poke-Body but it does have two moves, the first move is called Shadow Force and this move requires two energy cards, one each of Psychic and colorless, this move does 20 damage to one of your opponent's benched Pokemon and you also get to flip a coin when you use this attack if it is heads all effects of an attack are prevented on Giratina during the next turn
Realms Uncharted is a Green Gifts Ungiven
Warrior of Light Jodah, the Unifier is a neat build-around thats in good company given all the sets legends