Haunter is known for being a pretty cartoony Pokemon and one of its most memorable appearances is in the original anime where its antics win Ash a free Gym Badge
This wont take out many VMAX Pokmon, who usually have over 300 HP, but it will likely deal with any other heavy-hitters in your opponents roster, including many Tag-Teams such as Celebi and Venusaur, or even Moltres and Zapdos and Articuno
In the case of unopened items and bundles, while you cant transfer them to Pokmon TCG Live, you will receive an amount of crystals - the apps in-game currency - based on the number of unopened products (not including specific unopened items, such as reward chests, avatar collection boxes and certain booster packs and theme decks): 1 to 9: 500 crystals 10 to 24: 1,100 crystals 25 to 49: 2,250 crystals 50 to 124: 4,700 crystals 125 or more: 12,400 crystals
cards designed exclusively for this Booster Pack