Sgaeyl

Flying-If Xaden is active when Sgaeyl is summoned she gains +1/+1.
{x}-attach Sgaeyl to Xaden. Xaden is mounted,
for {x}turns, gains Flying, and {x} to his loyalty.
Combine power and Loyalty together only while
mounted. Use Sgaeyls current toughness.
If Xaden is ever sent to the graveyard Sgaeyl
must also be sent to the graveyard.