Deco Noire

Whenever this creature attacks you may pay {w} or {w}{w}{w}
If you payed {w} then this creature gets a +1/+1 counter on it and -1/-1 until end of turn
If you payed {w}{w}{w} then this creature gets
+2/+2 until end of turn and every creature that
shares a creature type with it gets a +1/+1
counter