It's a good enough alternate commander to hide Tergrid, God of Fright in, even if it isn't the most powerful or oppressive ability ever
Notably, Priest of Forgotten Gods is a card that you can activate repeatedly to take over a game, giving the deck a powerful engine to build around that doesnt require any focus on the combat phase
Even better, is that it will be very simple for collectors to enter to win a 2006 Pokmon EX Holon Phantoms Holo Pikachu Gold Star PSA 10 GEM MINT
Threaten effects, or effects that temporarily steal opposing creatures, aren't super popular in Commander, though the equation certainly changes when that threat's attached to a 10/10 and also morphs the 'borrowed' creature into an annihilating monster for the turn
The deck will take a more value and reanimator route than simply attacking with birds, this way you can have a more controlling bird-related deck