I second the suggestion for Norn.
Cards like Propaganda, Ghostly Prison and Norn's Annex are all pillowfort staples, and are worth considering. I specifically like Norn since the other player often takes damage instead of paying due to the colour requirements.

In fairness, I don't play vintage and don't know which of those cards are legal in that format.

Almost nothing is banned in Vintage actually, it's Legacy with even more cards, including a bunch of cards that are so good you can only run one copy, they do that instead of banning generally.

The obvious issue with Norn's Anex is that it's an artifact and will die to my forced artifact sacrifice. The other is that the deck usually doesn't need to worry about pillowfort effects, very few 'fair attacking' decks exist in Vintage, this and traditional Death & Taxes are aggro, there are a handful of other decks. What I really wonder about is running more ramp, so I can get out my Energy Flux or Archon a turn or two early, that would be a big buff.