Douma, Upper Moon Two

Vigilance, Double Strike.

{1}: Regenerate Douma, Upper Moon Two.

{u}{4}: Create a 4/4 blue Ice Doll Artifact Demon Creature token with Vigilance and Double Strike.

{u}{10}: Create a 10/10 blue Legendary Frost Lilly Buddha Artifact Equipment Creature token with Vigilance, and when this creature enters the battlefield, equip to Douma, Upper Moon Two.