Reanimate Keranos under Containment Priest

Styfo brought this up in the Reanimator thread, with the blessing of a SCG Head Judge, but can't check too many times right?

Interaction is a Keranos, God of Storms in the graveyard and a Containment Priest in play. Reanimate targeting Keranos resolves. What happens?

Thanks.

The answer to this is in the Gatherer rulings.

4/26/2014 If a God enters the battlefield, your devotion to its color (including the mana symbols in the mana cost of the God itself) will determine if a creature entered the battlefield or not [...]