You can evolve either your Active or Benched Pokmon
You have to go to cards like Interdict (one of my Hidden Gems) or old favorites Voidmage Husher and Voidslime
If control decks want more lands, it stands to reason that aggro decks want fewer lands
At the beginning of each end step, if a card left your graveyard this turn, Gau deals damage equal to its power to each opponent
This three-mana creature comes down quickly and gives you access to white and black while building your deck, and since it has partner, you can add another color or two to round out your list
Doubling Season would be higher on the list, but getting your doubler effect out a turn earlier, at 4 mana, is huge for the previously mentioned cards