When you play this Pokmon from your hand to evolve 1 of your Pokmon during your turn, you may look at the top 8 cards of your deck and attach any number of basic Energy cards you find there to your Pokmon in any way you like
Compare this to Sword and Shield black star promos, where 307 individual cards have been released
Unified Front is much stronger, and you can dump as much mana as you can to create X ally tokens and also put a +1/+1 counter on each creature you control (including the ones you had before)
Beginners tend to have only one or two plans in mind, but as they progress and see how other battles can go, more experienced players could end up with a handful of ideas, depending on the round
I created a video tutorial about using photoshop to ID sun bleaches
To help prepare you for your next mission, we've compiled this special briefing on all the reveals