this.color.setRed(true);
this.power = new MageInt(2);
this.toughness = new MageInt(2);
// Other Goblin creatures you control attack each turn if able.
Effect effect = new AttacksIfAbleAllEffect(otherGoblinFilter);
this.addAbility(new SimpleStaticAbility(Zone.BATTLEFIELD, effect));
// At the beginning of combat on your turn, put a 1/1 red Goblin creature token with haste onto the battlefield.
this.addAbility(new BeginningOfCombatTriggeredAbility(new CreateTokenEffect(new GoblinToken()), TargetController.YOU, false));