Mardu colors give you access to all the top removal cards, and best of all, Edgar's eminence ability makes him useful from the command zone, where he can churn out mini-mes in safety
Its the easiest because i have a definitive opinion about it, and the hardest because I honestly was so disappointed with the product I got, despite this particular one being the Rise of the Floodborn box I was most excited about
When building a list of the most expensive, you have to refine your discussion to either include or exclude these three sets, as you would never make it to a consideration of the expansions or later traded cards without excluding these
while Heralds and Bilepiper add some fun Chaos to the deck
As Aaron explains, by the time Skullclamp was banned in Standard it was everywhere
Chocobo Knights Chocobo Knights live in a world where white decks and white-adjacent decks all have seemingly endless access to +1/+1 counters