The two main Pokmon in the deck, Garchomp and Altaria, both have HPs that are perfect for keeping an Accelgor lock in place
A reasonable approximation of the expected power of gold cards is that your 2nd colour of mana adds about a 1/3rd of a mana, the 3rd colour adds 2/3rds of a mana and the fourth is a whole extra mana
It's an elusive set that is already earning the right to be compared with the often-scalped 151 set, but if you're desperate, the Japanese version is still easy to get your hands on
Until rather recently someone posted pictures of some unlimited edition L1 cards here on the forum
The most well-known of these reasons is to commemorate the release of a new Pokmon video game, which usually arrives shortly before the set in question
The gameplan here is control the board until you can cheat in or play large threats