new BoostSourceEffect(2, 2, Duration.WhileOnBattlefield),
new CardsInControllerGraveCondition(7),
"<i>Threshold</i> - If seven or more cards are in your graveyard, Childhood Horror gets +2/+2"
));
Effect effect = new ConditionalRestrictionEffect(
new CantBlockSourceEffect(Duration.WhileOnBattlefield),
new CardsInControllerGraveCondition(7));
effect.setText("and can't block");
thresholdAbility.addEffect(effect);
this.addAbility(thresholdAbility);
}