I think Khannouss is a good player with a really high upside. I'd be more than happy for Spurs to sign him.
Another player that I like in the championship is Middlesboro's Finn Azaz. He was a slightly late bloomer being 24 now but is a really creative passer who creates lots of chances despite not being in a great team.
The player from the championship last season that I think we missed out on is Borja Sainz. A left sided attacker as opposed to a central player but very talented. Porto signed him from Norwich this summer for around £15m. I expect Porto will be selling him to the PL for at least 3 times that fee in a couple of year's time.
If looking beyond England for potential number 10 type players my top choice this summer would've be Alex Baena from Villareal but I just noticed that Atletico Madrid bought him for about £37m (great fee that!) Alberto Moleiro is another very good attacking player at Villareal but I doubt they would sell him having sold Baena this summer.
Another option would've been the Isreali playmaker Oscar Gloukh but Ajax snapped him up a few days ago.
And you all know my top choice was Enzo Millot who is moving to the Saudi league.
I also think Fabio Carvalho has a lot of quality. He moved from Liverpool to Brentford last summer, though I can't see Brentford being prepared to lose yet another player.
It seems we may have missed the boat somewhat when it comes to a bunch of promising attacking midfielders that were available this summer.
It might make sense for us to adopt the Brighton model of signing players before they are ready and loaning them out. The following are all talented young attacking midfield players who could be brought in via that method:
Santiago Toloza at Independiente,
Aimar from Osasuna,
Fabian Rieder at Rennes,
and Junior Kroupi at L'Orient
Suspect all of those could be purchased for reasonably low fees if we then left them at their current club next season. Doesn't solve our 'now' problem but does look to the future.