Ra, the Dragon God of the Sun

As an additional cost to cast, sacrifice three creatures. Cannot summon in others ways.
Flying, indestructible, haste
When comes into play, can't be countered,
and all players cannot cast spells or activate abilities until end of turn. Your life total becomes 1. Pay 3 life: destroy target creature
{7}{w}{r}: Blaze Cannon — Destroy all
enemies creatures.