Demara, the Lost Skyclave

As Demara, the Lost Skyclave enters the
battlefield you may sacrifice a creature with
flying, if you do Demara enters the battlefield untapped, if you don't Demara enters the battlefield tapped.
{t}: Add {w}{w},{w}{u}, or {u}{u}.
---{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}
Here we are my friend, Demara is no longer lost.
{