Here is a post with links to early work.
http://mtgadventures.blogspot.com/2015/10/black-border-modern-core-sets.html
In this post I look at card prices as of early October 2015.
http://mtgadventures.blogspot.com/2015/10/black-border-core-set-cube-online.html
How about I build some decks focusing on all those core set cards?
The Magic 2012 Empires Combo
http://mtgadventures.blogspot.com/2015/10/modern-magic-2012-empires-combo.html
The Muse Cycle from Tenth Edition
(Green) Seedborn Muse
http://mtgadventures.blogspot.com/2015/11/modern-core-set-cube-seedborn-muse-and.html