If you find any Energy among the cards that you looked at, you can attach them to your Pokemon in any way that you like
The cards showcased scenes from the Cell Games, with the exception of "Garlic Jr's Energy Blast", "Krillin's Coolness Drill" and the insane "Are You Tuff Enuff" (which had an Endurance of 100 and bestowed 100 anger to all players), these cards showed off earlier scenes
Weirdly I am struggling to find Nidoking, Magneton and Raichu more than the other holos
A more advanced strategy for Oldhim abuses the fact Crown of Seeds can be used to stack late game pitch with cards you wouldn't want to pitch otherwise because of their low resources values - e.g
Yes, you can trade 5-Star Stickers if they are duplicate regular stickers
When an attack succeeds against the opposing leader, they lose one health point and draw the card which represented it