zard can't beat lax because it plays 1 switching card and charm and cape exist, aswell as the fact that zard will never go over 180 damage because lax doesn't take prizes
ADP and Lugia were comparitively different decks because one permenantly changed how the game was played for a majority of that format whilst the other was just dominant because it played on a very different axis and had multiple answers to every other meta deck
it's grass typing to the fact that it's a pokemon used for transportation and the dark energy is probably due to the fact that it learns dark type moves
2 lines of cards which are the main focus of the deck being either the attacker or supporting mons to help the wincon, they would be 2 mew ex, 2 squawk, and 2 morpeko even though some don't do a 2-2-2 line