OOzie, Curious Void Slime

When OOzie, Curious Void Slime enters the battlefield, choose a creature type. OOzie is the chosen
type in addition to its other types.

OOzie's power and toughness are each equal to the number
of creatures of the chosen type on the battlefield.

{1}{g}{g}{b}{b}:Activate only if you control three or more other creatures of the chosen type, flip OOzie, Curious
Void Slime. It enters with loyalty counters equal to the number of creatures of the chosen type you control.