Its kind of the same logic as to why you cant expect every Kickstarter TCG to be successful
A lot of players wanted some sort of ability to sideboard, like in Magic, where between games you can swap in and out cards
For example, around 1 in every 144 boosters contained a Masterpiece for Kaladesh but for Amonkhet, it was 1:129
Casting Cost: Card Type: Legendary Creature - Spider Demon Power / Toughness: 3 / 3 Card Text: Whenever a nontoken creature an opponent controls dies, exile it
Pokemon Emerald, Ruby & Sapphire are also the first and only Pokemon games that give the protagonists a father, who just so happens to be a gym leader
In general, with 4 different ways to be behind, it should be easy to put yourself in a position to trigger at least 2 of them