public BoostControlledEffect(DynamicValue power, DynamicValue toughness, Duration duration) {
this(power, toughness, duration, new FilterCreaturePermanent("Creatures"), false);
}
public BoostControlledEffect(int power, int toughness, Duration duration, boolean excludeSource) {
this(power, toughness, duration, new FilterCreaturePermanent("creatures"), excludeSource);
}