this.color.setGreen(true);
this.power = new MageInt(1);
this.toughness = new MageInt(3);
// {2}{G}: Target creature blocks Matsu-Tribe Decoy this turn if able.
Ability ability = new SimpleActivatedAbility(Zone.BATTLEFIELD, new MustBeBlockedByTargetSourceEffect(), new ManaCostsImpl("{2}{G}"));
ability.addTarget(new TargetCreaturePermanent());
this.addAbility(ability);
// Whenever Kashi-Tribe Reaver deals combat damage to a creature, tap that creature and it doesn't untap during its controller's next untap step.
Ability ability2;
ability2 = new DealsDamageToACreatureTriggeredAbility(new TapTargetEffect("that creature"), true, false, true);