this.toughness = new MageInt(1);
// Bestow 4G (If you cast this card for its bestow cost, it's an Aura spell with enchant creature. It becomes a creature again if it's not attached to a creature.)
this.addAbility(new BestowAbility(this, "{4}{G}"));
// Spirespine blocks each turn if able.
this.addAbility(new SimpleStaticAbility(Zone.BATTLEFIELD, new BlocksIfAbleSourceEffect(Duration.WhileOnBattlefield)));
// Enchanted creature gets +4/+1 and blocks each turn if able.
Effect effect = new BoostEnchantedEffect(4,1, Duration.WhileOnBattlefield);
effect.setText("Enchanted creature gets +4/+1");
Ability ability = new SimpleStaticAbility(Zone.BATTLEFIELD, effect);
effect = new BlocksIfAbleAttachedEffect(Duration.WhileOnBattlefield, AttachmentType.AURA);