Aggro is red and control is blue in this analogy
Baneslayer used to reliably stop all attacks then gain you five life a turn either killing planeswalkers or quickly killing your opponent
Magic's Head Designer Mark Rosewater has said many times that an in-universe MTG set takes them about 3 years, from idea to print, and that a Universes Beyond set takes about one year more
The goal here is to turn web-slinging into an upside
"With this event and in partnership with PWCC and others, we're celebrating Pokmon enthusiasts by surfacing some of the most high-value, collectible cards available." Chris Callahan, Director of Marketing for PWCC, said "Partnering with eBay allows us to bring these exclusive Pokmon cards to collectors around the world
Some is incidental and just slightly increases the power of a card, others it is far more the reason you are playing the card