Every archetype does something different, whether you use it as an engine to get your plays going or you are using their native abilities to strike down your opponent
YouTuber TrustYourPilot Pokemon has a good overview of some of the decks that have been performing with Dragapult, below: Dragapult EX has a fairly cheap, very powerful attack, which deals 200 damage and places a further six damage counters on your opponent's benched Pokmon for just two energy (admittedly, energy of different colors)
Creature - Vampire Color tag templates(None) Drana, Liberator of Malakir Flying, first strike Whenever Drana deals combat damage to a player, put a +1/+1 counter on each attacking creature you control
Not for a long time anyway. Never say never, says Fuji.
The game, although traditional in its use of flowpacks did have some special production requirements regarding the collation process