Another option is moving back towards Struggle // Survive as a sideboard card
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
After that, Magic added the rule limiting card copies in your deck
It was inspired by Deranged Hermit, but Vanishing 3 is much more reasonable than that
Yes, you can target a spell that cant be countered
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