You want to repeatedly use Echoing Horn + Lost Mine to spawn OHKO as many easy Pokemon as possible
Omega, Heartless Evolution Omega, Heartless Evolution is a beast at lower power levels where you can flicker your commander or use Panharmonicon and similar effects to lock your opponents out of the game with stun counters
You can add these into your hand, then you must shuffle the other cards back into your deck
If you're just getting started, it's better to focus on building a solid deck with starter decks and then gradually add cards from booster packs as you become more familiar with the game
Exclusive silver screen foils can be found in every pack
Over the next week, you're going to see a lot of cards revealed across several different websites, streaming shows, and reveals from content creators, as we're all excited to see what everyone has to reveal