The answer is in the card registry:dadejay said:after he has used it's effect he go to 1600...
in my turn he can reload the effect and return to 1900???
Magical Plant Mandragola!exiledforcefreak said:no, you add the counter when he is normal summoned. Currently, the only ways to, as you put it, "reload" breaker's effect is by using Pitch Black Powerstone, Apprentice Magician, or by returning Breaker to your hand and normal summoning it again.