iamacasual, here's how the deck fairs against those. I don't think you noticed the thing that says that "The sideboard is up to you." For spellskite, use your favorite removal spells. I personally like sideboarding in Banishing Light or Oblivion Ring, but you can use any moder removal. Green has lots of artifact removal as well, with stuff like Naturalize. How does it fold to infinite combo? It outspeeds Kiki-Pod and other infinite combo decks like that. Lastly, for affinity, add in a playset of spirit loop or spirit link or some other lifegain option.

Alpha Authority is too slow in the main game, and can be added to your custom sideboard. After testing the last 2 FNMs, I've found that Alpha Authority didn't do much, while Rancor is almost a win condition. The only time I SB'ed in my Alpha Authorities was against a midrange deck with only 2 creatures. Rancor's +2/+0 boost is also a great addition. Also, I do like having 2 creatures out, so Rancor is staying at a 4.

Try using Hero of Iroas. He's a grat card for aura decks.

Hero of Iroas is weak, and too slow for this deck. You should see what cards are included, are you will notice that he would be the weakest link in this deck.

And yes, I do read warriors.

Keen Sense?

... Keen Sense is too expensive -_-

Oh wow, thought it was cheaper. Sorry.

Needs more Dosan the Falling Leaf in the maybeboard

You should really run Keen Sense. I've seen it out-advantage treasure delver, once, and it is usually a 2-for 1 at least..