this.color.setBlack(true);
this.power = new MageInt(5);
this.toughness = new MageInt(5);
// All Slivers have "At the beginning of your upkeep, this permanent deals 1 damage to you."
Ability ability = new BeginningOfUpkeepTriggeredAbility(new DamageControllerEffect(1), TargetController.YOU, false);
this.addAbility(new SimpleStaticAbility(Zone.BATTLEFIELD, new GainAbilityAllEffect(
ability, Duration.WhileOnBattlefield,
filterSliver, "All Slivers have \"At the beginning of your upkeep, this permanent deals 1 damage to you.\"")));
}