Another option is moving back towards Struggle // Survive as a sideboard card
Yes, you can target a spell that cant be countered
Spider-Man, Brooklyn Visionary Rating: 5/10 If you can cast this version of Miles for the web-slinging cost, you get a great deal: a 4/3 plus an extra land and the chance to reuse a creature, all for just 3 mana
Thankfully, you can still snag the New Phyrexia printing for around $3, so it isnt prohibitively expensive, but at this point it's probably worth digging through your bulk to pull out any copies you have sitting around
Post-sideboard, we have quite a few options available to us depending on the type of creature matchup: Mono-Black/-White/-Red Aggro Decks: Out: 1 Doom Blade (If its black-based aggro) In: Hexproof Aggro: Out: In: 2 Deicide 3 Duress Boros Burn: This is by far our best matchup