this.expansionSetCode = "RTR";
this.color.setGreen(true);
this.color.setBlack(true);
// Abrupt Decay can't be countered by spells or abilities.
Effect effect = new CantCounterSourceEffect();
effect.setText("{this} can't be countered by spells or abilities");
Ability ability = new SimpleStaticAbility(Zone.STACK,effect);
ability.setRuleAtTheTop(true);
this.addAbility(ability);
// Destroy target nonland permanent with converted mana cost 3 or less.