Other good trainers include AZs Tranquility (switches and heals your Pokmon ex), Roxys Performance (traps your opponents poisoned Pokmon), Phillipe (accelerates Metal energy from the discard) and Great Haul Net (recovers Water Pokmon and Basic Energy from the discard)
Many new formats launched as time progressed which meant that new methods of winning also came along
For a long time Winter Orb and Armageddon were considered standard tools of the trade in Magic , but the only reason they seemed normal was because they had always been around
Oh and while this is the easiest way to get cards you want, it is expensive because you have to open (read: buy) all those packs
Before long though, we can see HP values of 400 being breached, rising in parallel to attacks, which are also increasing in strength, thanks to the constant demand for more powerful and impressive cards