While it seems largely irrelevant for many codes, there are some where it's important for the code to actually work
Notably, its the only archetype with a Mount instead of a Vehicle as one of its signpost uncommons, but Lagorin, Soul of Alacria is a strong way to start your curve
Delirium Spineseeker Centipede gets +1/+2 and has vigilance as long as there are four or more card types among cards in your graveyard
It's easier to reach Mythic in the last week of the season since most grinders and players have already moved to Mythic
I made this card five or so years ago
I would wait later in the game too, to play Lugia Legend, I would try and build it up as much as possible on your bench before you make Lugia your active Pokemon, because Elemental Blast with do one hit knock outs on just about every Pokemon out there so if you have enough energy cards attached to Lugia you should be able to sweep your opponent with Lugia alone because Lugia should be able to withstand at least 2 or 3 stage 2 Pokemon's attacks because of its high hp