Dovahkiin, Dragon Kin

{t}: Call of the Greybeards (This creature becomes a Dragon with base power and toughness 6/6, gains flying, and summons Paarthunax, a 5/5 legendary Dragon creature token with lifelink and when this creature dies mutate it with Dovahkiin. If Dovahkiin is not in play, replace Paarthunax with Dovahkiin. )

Trample , Haste, Menace, Vigilance

When this creature becomes a dragon, target opponent creates Alduin, a 8/8 Dragon creature token with flying and deathtouch. Dovahkiin's controller has prote