When Elvish Vatkeeper enters the battlefield, incubate 2. {5}: Transform target Incubator token you control. Double the number of +1/+1 counters on it.
2023-04-14
The target Incubator token transforms before its +1/+1 counters are doubled, so anything that cares about +1/+1 counters being placed on a creature will see them being placed on the Phyrexian artifact creature.