this.color.setBlack(true);
this.power = new MageInt(1);
this.toughness = new MageInt(1);
// All Slivers have "{tap}: Regenerate target Sliver."
Ability ability = new SimpleActivatedAbility(Zone.BATTLEFIELD, new RegenerateTargetEffect(), new TapSourceCost());
ability.addTarget(new TargetCreaturePermanent(new FilterCreaturePermanent("Sliver", "Sliver")));
this.addAbility(new SimpleStaticAbility(Zone.BATTLEFIELD, new GainAbilityAllEffect(ability, Duration.WhileOnBattlefield, new FilterCreaturePermanent("Sliver", "Sliver creatures"))));
}