Ogerius, King of Vridia

Vigilance, Trample, Protection from black
King's Aura-Creatures you control get +4/+4,
Trample and Protection from black
Strategic Might-while this creature remains
on the battlefield creatures you control cannot
have their Power and toughness be lower than
their original power and toughness you also
become the monarch, the monarch cannot be
taken from you