How to use

BoostPairedEffect

in

mage.abilities.effects.common.continuous

@Override
public BoostPairedEffect copy() {
  return new BoostPairedEffect(this);
}

public DruidsFamiliar(UUID ownerId, CardSetInfo setInfo) {
  super(ownerId,setInfo,new CardType[]{CardType.CREATURE},"{3}{G}");
  this.subtype.add(SubType.BEAR);
  this.power = new MageInt(2);
  this.toughness = new MageInt(2);
  // Soulbond
  this.addAbility(new SoulbondAbility());
  // As long as Druid's Familiar is paired with another creature, each of those creatures gets +2/+2.
  this.addAbility(new SimpleStaticAbility(Zone.BATTLEFIELD, new BoostPairedEffect(2, 2, ruleText)));
}

public TrustedForcemage(UUID ownerId, CardSetInfo setInfo) {
  super(ownerId,setInfo,new CardType[]{CardType.CREATURE},"{2}{G}");
  this.subtype.add(SubType.HUMAN);
  this.subtype.add(SubType.SHAMAN);
  this.power = new MageInt(2);
  this.toughness = new MageInt(2);
  // Soulbond
  this.addAbility(new SoulbondAbility());
  // As long as Trusted Forcemage is paired with another creature, each of those creatures gets +1/+1.
  this.addAbility(new SimpleStaticAbility(Zone.BATTLEFIELD, new BoostPairedEffect(1, 1, ruleText)));
}

public WolfirSilverheart(UUID ownerId, CardSetInfo setInfo) {
  super(ownerId,setInfo,new CardType[]{CardType.CREATURE},"{3}{G}{G}");
  this.subtype.add(SubType.WOLF);
  this.subtype.add(SubType.WARRIOR);
  this.power = new MageInt(4);
  this.toughness = new MageInt(4);
  // Soulbond
  this.addAbility(new SoulbondAbility());
  // As long as Wolfir Silverheart is paired with another creature, each of those creatures gets +4/+4.
  this.addAbility(new SimpleStaticAbility(Zone.BATTLEFIELD, new BoostPairedEffect(4, 4, ruleText)));
}