How to use

setText

method

in

mage.abilities.effects.common.continuous.BoostOpponentsEffect

public BoostOpponentsEffect(int power, int toughness, Duration duration, FilterCreaturePermanent filter) {
  super(duration, Layer.PTChangingEffects_7, SubLayer.ModifyPT_7c, toughness < 0 ? Outcome.UnboostCreature : Outcome.BoostCreature);
  this.power = power;
  this.toughness = toughness;
  this.filter = filter;
  setText();
}