the feast was celebrated every year
I believe the answer is: normative crisis model
The normative crisis model would see individual's psychological development in a universal manner. This model is perceived to be outdated by most experts today since it does not accounted the individual's unique experience/situation that influence their psychological maturity.
Answer:
It's egoist because it's imposed by an Almighty Power (God in this case), and even if you have the free will, one way or another, it's a condition to be good.
It's consequentialist because every choice you make, based on God's commandments, you will have a consequence, for the good or for the bad.
And finally, it's deontological because you are morally conditioned to choose, you don't have the option to put aside, it's a social convention to choose.
Explanation:
The Divine Command Theory address that everything that happens is based on the power and choice of an Almighty Power and humans are conditioned to choose. Even with the free will, the social and moral conditions demands a choice, that's why it's an egoist, consequentialist and deontological theory.