Kitesail Corsair has flying immediately after it attacks. This means that combat restrictions on creatures with flying (such as that of Sandwurm Convergence) don't apply, but abilities that trigger on creatures with flying attacking (such as that of Windreader Sphinx) do trigger.
Legalitet:
Standard: Ej legal
Pioneer: Legal
Modern: Legal
Legacy: Legal
Vintage: Legal
EDH / Commander: Legal
Pauper: Legal
Explorer: Legal
Historic: Legal
Brawl: Ej legal
Premodern: Ej legal
93/94: Ej legal