dnd 5e – Is this homebrewed The Chosen One race balanced?

This is my first time homebrewing a race. I want to know that if it is balance or not.
Also, if not, what should I change to balance it.

The Chosen One Traits

Ability Score Increase. One ability score of your choice increased by 2.
Age. The Chosen One is just a random human, who was chosen by the fate. S/He have no difference from a normal human, mature at the same rate, and live to the same time as of a normal human.
Alignment. The Chosen One can be any alignment.
Size. Just a normal human. Your size is Medium.
Speed. Your base walking speed is 30 ft.
Languages. You speak, read, and write Common.
Proficiency. You gain one proficiency of your choice, it can be a skill, weapon, or armor proficiency.
A Little Help From The Fate. You can add a d2 bonus to one of the dice roll you make, it could be attack roll, damage roll, ability checks, saving throw and etc. Once you use this feature, you can’t use it again until you finish a long rest. On level 5, this bonus became d4.
Protected. When you are reduced to 0 hit points but not killed outright, you can drop to 1 hit point instead. You can’t use this feature again until you finish a long rest.
Blessed Attack. Once per day you can add a d4 damage to one attack that only target 1 creature/object, that damage’s type is the same type of the types that attack have. After you use this trait, you can’t use it until you finish a long rest(Which means that you need to wait one day and take a long rest too.) At level 4, that damage became d6, d8 at level 8, d10 at level 12.