// {2}: Until end of turn, enchanted Plains becomes a 2/5 white Spirit creature with "Whenever this creature deals damage, its controller gains that much life." It's still a land.
Effect effect = new BecomesCreatureAttachedEffect(new SpiritToken(),
"Until end of turn, enchanted Plains becomes a 2/5 white Spirit creature", Duration.EndOfTurn);
Ability ability2 = new SimpleActivatedAbility(Zone.BATTLEFIELD, effect,new GenericManaCost(2));
effect = new GainAbilityAttachedEffect(new DealsDamageGainLifeSourceTriggeredAbility(), AttachmentType.AURA, Duration.EndOfTurn);
effect.setText("with \"Whenever this creature deals damage, its controller gains that much life.\". It's still a land");
ability2.addEffect(effect);
this.addAbility(ability2);
// When enchanted Plains is put into a graveyard, you may return Genju of the Fields from your graveyard to your hand.