Griffith, The White Hawk

Firat strike, vigilance, persist.
When Griffith, The White Hawk enters the battlefield, Create a legendary artifact token
called The Egg of the King and three 1/1 white Mercenary tokens.
"I sacrifice"; Remove a -1/-1 counter, pay 5 life, sacrifice 5 creatures and a token called The Egg
of the King, {t}: Transform Griffith, The White
Hawk.