Normal booster packs will always carry normal holo cards, while Line Holo cards can only be found in Pokmon TCG blister packs (meaning products that usually include 3 booster packs, 1 or more promo cards, and / or other goodies)
If you think you are going to deck out USE your Jar of Avarice, no second thoughts on it
The official 30-card checklist and numbering are still unannounced, so treat these as provisional: Palkia Lv.X Great Encounters Gengar Prime Triumphant Uxie Legends Awakened Dark Tyranitar EX Team Rocket Returns Shining Celebi Neo Destiny Erikas Jigglypuff Gym Heroes Misty Gym Heroes Magikarp Paldea Evolved Arceus VSTAR Brilliant Stars Mew VMAX Fusion Strike Raikou Vivid Voltage Zacian V Sword & Shield Sneasel and Delcatty have also been reported among the reprints
[1] When this card's activation resolves: You can Special Summon 1 Level 4 or lower Warrior, Dinosaur or Cyberse monster from your hand
Currency PTCG Live has its own currency that is broken up into three categories: Crystals and Credits
Im a little worried about losing too much life with his +1, but Ive played far too many Dark Confidants in my time to let that influence me