You can get value out of your artifact cards like Solemn Simulacrum, then sacrifice them to ramp up to your bomb cards like Cityscape Leveler
The first time I properly met Simon was at Pro Tour Oath of the Gatewatch, where his team, Team Eureka, broke this deck out into the world after previously only being seen as a fringe deck on Magic Online (funnily enough, the CEO of ThreeForOne, Oliver Polak-Rottman, was also part of Team Eureka!)
Try and avoid your bigger cards
Pokmon TCG was my gateway to Magic: The Gathering and eventually Hearthstone, which I stuck with for years until the price of keeping up was simply too high
It's worth noting that, besides some small card shops, official retailers won't hold single packs of special sets like Prismatic Evolutions
The rules reference is a solid in-game reference for all of the keywords used on the cards, but the how-to-play and campaign guides are seriously lacking when it comes to getting a handle on exactly how the game is played