Giving your creatures haste for 3 life and just one mana is very good, considering that the aggressive decks that want to play this care much more about their opponent's life total than their own
If youre interested in another Boros build that gets card and mana advantage, read the blog Is Boros Powerful Again
Let's say you picked All That Glitters, Twinblade Blessing, Ethereal Armor and Spirit Mantle, you're probably about to take someone out of the game
With only two in this precon, I have cut this one as the only other payoff for it is Mr House (spoiler alert: hes also getting cut)
Laughing at hilarious names and sentences
Since my entire game for the last like...five rounds was double black lotus into fatty, I was a tad lost ;_