The Dusk King

Adamant- If at least three black mana was spent to cast this spell, put five additional +1/+1 counters on The Dusk King.
The Dusk King cannot be blocked except by black creatures.
{b}{b}{b}: Create a 4/4 Giant creature token with "This creature cannot be blocked except by black creatures".
Even those who have spent their entire lives in the Wilds know nothing of him but the legends.