There is only slightly more creatures than Equipment, as Equipment is necessary for the deck to run optimally
The following Mega Pokmon boost Shadow Ho-Oh: Mega Houndoom, Mega Blaziken, Mega Camerupt, Primal Groudon, Mega Pidgeot, Mega Pinsir, Mega Aerodactyl, Mega Dragonite, Mega Skarmory, Mega Salamence, and Mega Rayquaza
Rather than using Mega Lucario ex's Mega Brave for 270 damage every other turn (unless it's going to win you the game), there's other buffs available that trainers can stack
The examples I have described above make that much evident
Basically, you have the four pre-constructed decks and one player chooses one alignment that they want in their deck and they get all 30 of those cards, and the other player gets to pick two alignments from the remaining three, and thats their deck