Greyson, of the Rats

{t} Create 1 white 1/1 rat token with decay 2
{t}{5}{g/w} create 5 white 1/1 rat tokens with decay 2, rat tokens you control may tap to pay {1}
{t}{x}{g/w}{g/w}{g/w} Create X white 1/1 rat tokens with decay 2, rat tokens you control may tap to pay {1}