Draw a Card, Play available Pokmon and evolutions, Play your Trainer cards, Attach an Energy Card from your hand to a Pokmon, Attack (If able)
Collector Boosters are the only packs that may contain certain special foil variants, and even ultra-rare headliner cards, making them a popular choice for players who want standout pulls for displaying in their binders or competitive play
Revitalize Revitalize doesnt see much play outside of the sideboard and white control decks
Water and Psychic-based Pokemon will be most desirable in your conflict with Executive Archer, if you're having issues
MTG Arena is far from perfect, with no ability to play in multiplayer matches, one of the least generous economies in a digital CCG and a complete inability to get rid of cards youre not going to use in favour of those you want to use