User blog comment:EmpyreanSmoke/Supernatural Q&A/@comment-108.59.10.153-20150923180719/@comment-24834479-20150923234649

1. They would give the same powers. Metatron received his powers because he tapped into God's energy which resonated within the tablet.

2. God's energy/power.

3. If Adam came out of the cage now, he would most likely return as a demon.