I'd swap 1 skywise teachings and 1 nullify from the sideboard for 2 disdainful strokes

I'd definitely have to agree with you on that one Kroto.
To be honest, I haven't put that much thought into the sideboard because I haven't taken it to my local game store yet.

Encase in Ice is a new blue deck SB staple to think about as well. +1

Tbh myth realized isn't a wise move as your win condition since there is A TON ENCHANTMENT HATE IN STANDARD. Instead I would recommend having some creatures with hex-proof and easy protection to win with.

So what would you say is a good way to protect enchantments outside of the various counterspells that I'm running davido?Otherwise, I think Dragonlord Ojutai might make a good replacement.

I highly recommend both ojutai and Elspeth as win conditions... Elspeth's tokens protect herself and ojutai can't get killed unless he's countered or you attack with it.