CookieMonster, Elmo'sNightmare

Trample, Lifelink, Protection from everything
When CookieMonster, Elmo'sNightmare enters the battlefield, create 10 Cookie tokens with, {t} sacrifice Cookie If you control a creature named CookieMonster, Elmo'sNightmare and give it Vigilance, Flying, or +5/+5.
If this creature is attacking, you may have it fight any other creatures from Elmo's world