I see how your creatures have a heavy emphasis on combat where you want to get in for the combat damage. I'm guessing that's why you have the anthem ability of your other creatures. But what of your defense though? If this deck is W/B and is aggro at that they you may need some spells that interact more with your opponent. I'm not saying change the focus of the deck, just have some countermeasures built into the main body of the deck. That way your opponent doesn't wrath the board and you're starting with a blank slate of a battlefield.