Hearthpwn

Replacement for Myra's?

If you cut myra's you would have to also cut zephrys. My suggestion for those 2 free slots would be good ol' Hench-Clan Thug.

If you check out in hsreplay the current "best performing deck" for tempo rogue, you can see it has one of the highest drawn winrates (although tbf there's not a whole lot of data yet). https://hsreplay.net/decks/1swS3V85atNdtTVdJLM0rc/

Could you explain what zephrys is good for in this deck?

Thanks

As explained in the deck's description, Zephrys is pretty good post Myra's. And even if you just play it for tempo, it's not terrible, it's almost like the faerie dragon the deck runs.

If your question is "should I craft zephrys just for this deck" though, my answer would be probably not.