nitnit
Well, obviously if you go first you can't attack on that turn. In this sort of game, going second isn't quite as bad since you can counter what your enemy does. (assuming your deck is good.)
Assuming you key into the strategy your opponent is pulling, going second can actually be a huge advantage, since you can attempt to destroy your opponent's strategy while building up your own. In other words, everything (relating to strategy) changes when you have your entire deck in your hand.
If going first somehow still proves to be advantageous, though, we can make it so the first player only gets half income on the first turn.