Seig'Hul, The Skyborn

Immortal (Spells and abilities cannot reduce this
creature's toughness less than 1)
Whenever Seig'Hul, The Skyborn attacks, if you control a creature with flying with greater power,
Seig'Hul, The Skyborn gains flying until end of
turn.
{1}{r}{w}{u}: Create a 4/4 red Dragon creature
token with Flying.