I thought that Oliver Tius deck from the World Championship looked great, and more or less it was
Wizards of the Coast apparently doesnt want to lend too much aid to the secondary market, because the game client features no auction system, no direct transaction of currency between users and no autosell function like certain trade stalls in MMORPGs
Also, the background looks like a puzzle I need to solve
For example, if you control Rin and Seri, Inseparabler as well as a permanent with "Each Dog you control enters with an additional +1/+1 counter on it" and you create a 1/1 Cat token, that Cat token will be a Dog Cat token and will enter with a +1/+1 counter on it, a woof, and a purr
Once you load in the packs screen, tap on the select other booster packs option on the bottom right
And silver-bordered Magic doesn't care