Karthus, Crowen's Familiar

Flying, Haste
Whenever Karthus, Crowen's Familiar enters the battlefield, create a 3/2 Human Knight creature
token with First Strike and Haste named
"Crowen" and put it into play.
{r}: +1+0 until end of turn
When this creature attacks, target knight creature
you control gains flying until end of turn.
Those two are inseparable. If one would dare lay a hand on either of them, the other would respond in fire.