this.color.setGreen(true);
this.power = new MageInt(4);
this.toughness = new MageInt(4);
// At the beginning of your upkeep, put a spore counter on Sporoloth Ancient.
this.addAbility(new BeginningOfUpkeepTriggeredAbility(new AddCountersSourceEffect(CounterType.SPORE.createInstance()), TargetController.YOU, false));
// Creatures you control have "Remove two spore counters from this creature: Put a 1/1 green Saproling creature token onto the battlefield."
Effect effect = new GainAbilityControlledEffect(
new SimpleActivatedAbility(Zone.BATTLEFIELD, new CreateTokenEffect(new SaprolingToken()), new RemoveCountersSourceCost(CounterType.SPORE.createInstance(2))),
Duration.WhileOnBattlefield,
new FilterCreaturePermanent("Creatures you control")