Edelgard, Flame Emperor

Haste, first Strike, protection from dragons
All other creatures gain +1/+1.
When Edelgard, Flame Emperor enters the battlefield, place 5 durability counters on it.
If this creature destroys another creature in combat untap it, remove a durability counter, and after this combat step, there is another combat step where only Edelgard, Flame Emperor can attack.