Aries, God of Intellectuals

Indestructible
As long as your devotion to {u} and {w} is less than seven, Aries isn't a creature.
{t} Put a 1/1 Gizmo token onto the battlefield.
{t}{3} Sacrifice 4 Gizmo tokens. put a 7/7 Beo token onto the battlefield.
Whenever a Beo token leaves the battlefield, destroy target permanent.