Knower of Comings

Whenever a creature enters the battlefield, Scry 5.
{t} Scry 1
{t}{g/w}: Scry 2
{t}{g/w}{g/w}: Scry 3
{t}{g/w}{g/w}{g/w}: Scry 4
{t}{g/w}{g/w}{g/w}{g/w}: Scry 5
Why am I afraid, when I know whats coming?