this.color.setBlack(true);
this.power = new MageInt(6);
this.toughness = new MageInt(6);
this.addAbility(new SwampwalkAbility());
Ability ability = new BeginningOfUpkeepTriggeredAbility(new ReturnFromGraveyardToBattlefieldTargetEffect(false), TargetController.YOU, false);
ability.addTarget(new TargetCardInYourGraveyard(new FilterCreatureCard("creature card from your graveyard")));
this.addAbility(ability);
ability = new BeginningOfUpkeepTriggeredAbility(new SacrificeEffect(new FilterCreaturePermanent(), 1, "that player "), TargetController.OPPONENT, false);
this.addAbility(ability);
}