Theres no reason not to run Bebop & Rocksteady together, given their ability to both hang out in the command zone and search each other when they arent
In ascending order you would walk through Japanese, then Chinese, then Korean and Russian in terms of scarcity and value for US collectors
You also gain a lot of information when you look at your opponents hand, and you can choose to reveal it to the table if you wish
For legendary creature-focused decks, the front side tends to be better whereas more open decks and planeswalker ones the backside is better
DredgevineFall 2012 Major Additions: Gravecrawler, Vengevine, Skaab Ruinator, Faithless Looting, Unburial Rites
Ive played a bit with the Abbot and have never had him feel bad, mediocre at worst and pretty good at best, meaning that its average is in a pretty tight and consistent range that is good for a Constructed card