I thought that Oliver Tius deck from the World Championship looked great, and more or less it was
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
This doesnt affect older cards, but if youre lucky, your playgroup might let you Rule 0 to errata the older cards to match the new rules
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
Truly, this set is better than the 25th Anniversary set, by a huge margin
Just steer clear of the unstable supervoid at the center of the systemunless you choose the vast chaotic energies within