// Echo {3}{G}{G}
this.addAbility(new EchoAbility("{3}{G}{G}"));
// When Deranged Hermit enters the battlefield, put four 1/1 green Squirrel creature tokens onto the battlefield.
this.addAbility(new EntersBattlefieldTriggeredAbility(new CreateTokenEffect(new SquirrelToken(), 4)));
// Squirrel creatures get +1/+1.
this.addAbility(new SimpleStaticAbility(Zone.BATTLEFIELD, new BoostAllEffect(1, 1, Duration.WhileOnBattlefield, filter, false)));
}