Then you win the game if you control a creature with power 20 or greater
Just as a card on its own, I think the new Prince Eric is poised to take a spot in Ruby control decks, and I hear those are pretty good
Then her -4, just once with her starting loyalty is a Barter in Blood for everyone, so if you have two sacrificial fodder you'll draw two
Use online stores, your local communities, vendors at large events, and local marketplaces to get good deals on all the boxes you need for speculating, improving at Sealed, or playing with friends
Green tends to give creatures trample to take care of a pesky Seedborn Muse or Drannith Magistrate and still punch through for damage
At three mana and above, there are actually a huge number of zombie lords and other payoffs, but you can only fit a few 3+ mana cards in an aggressive deck so it was simply never viable to start your curve that late