As this is a printing error found in nearly every set
Top Three Aggro Decks Currently, there are a number of powerful aggro decks in the current standard format, however, there are a few top tier contenders that must be mentioned above all others: Mono Red Aggro Azorius Aggro Mono Blue All three of these decks are powerful in their own right and feature some interesting and dynamic gameplay that goes above and beyond simply turning your cards sideways and attacking your opponents face
Not only is it always Negate-proof, it - by itself - realizes the main focus of my Dragon deck
Blood Sun is awesome because many decks won't be bothered much (my Ghalta Commander deck from yesterday only had two lands that had abilities this would shut down)
In my years of personal experience, examining good decklists, and talking to people much smarter than me, 50 mana sources is about the right number for most decks to shoot for, usually 37 lands and 13 ramp sources for a general budget deck