new mtg set cards All About The First Magic: The Gathering Collectors' Edition New Previews And Product Lineup

my main goal is to provide some early builds that might spark some creativity in you

It might even disincentivize my opponents from attacking me for chip damage

To make up the count of creatures with infect to a high enough count so that you can actually win games means resorting to coloured creatures which weaken the artifact synergies of the deck and hurt the colour demands

Border Guardian cares about the color of the borders of your cards

Your odds are slightly better here: 1/64 for a specific rare and 1/128 for the specific mythic EA/Showcase/Borderless

One is to check the singles listing for each expansion on Star City Games and sort by descending price, but you'll need to filter out foils, and SCG has fixed prices for low-circulation cards