Here is a table expanding on the original Darker Dungeons rookie background with tweaked stats and spell options.

Backgrounds Hit Points Hit Die Proficiency Bonus Armor Proficiencies Weapon Proficiencies Variant: Starting Cantrips
Acolyte 3 + CON 1d4 +2 Simple 3 cleric or warlock
Anthropologist 3 + CON 1d4 +2 Light Simple 2 bard or druid
Archeologist 4 + CON 1d6 +2 Light Simple 1 druid or wizard
Azorius Functionary 4 + CON 1d6 +2 Light Simple 1 cleric or sorcerer
Boros Legionnaire 5 + CON 1d8 +2 Light, Medium, Shields Simple, Martial 1 cleric or warlock
Charlatan 4 + CON 1d6 +2 Light Simple 2 bard or sorcerer
City Watch 5 + CON 1d8 +2 Light, Medium, Shields Simple, Martial
City Watch (Investigator) 4 + CON 1d6 +2 Light Simple 1 bard or wizard
Clan Crafter 5 + CON 1d8 +2 Light, Medium Simple, Martial
Cloistered Scholar 3 + CON 1d4 +2 Simple 3 cleric or wizard
Courtier 4 + CON 1d6 +2 Light Simple 1 bard or cleric
Criminal 4 + CON 1d6 +2 Light, Medium Simple
Dimir Operative 5 + CON 1d8 +2 Light Simple 2 bard or warlock
Entertainer 4 + CON 1d6 +2 Light Simple 2 bard or wizard
Faction Agent 5 + CON 1d8 +2 Light Simple, Martial
Far Traveler 6 + CON 1d10 +2 Light Simple, Martial
Fisher 5 + CON 1d8 +2 Simple 2 druid or sorcerer
Folk Hero 4 + CON 1d6 +2 Light Simple, Martial
Golgari Agent 3 + CON 1d4 +2 Light, Medium, Shields Simple 1 druid or warlock
Gruul Anarch 7 + CON 1d12 +2 All Armor, Shields Simple
Guild Artisan 3 + CON 1d6 +2 Light Simple 2 cleric or sorcerer
Haunted One 3 + CON 1d4 +2 Simple 3 druid or warlock
Hermit 3 + CON 1d4 +2 Simple 3 druid or wizard
Inheritor 4 + CON 1d6 +2 Light Simple, Martial 2 bard or warlock
Izzet Engineer 3 + CON 1d4 +2 Light, Medium Simple 2 warlock or wizard
Knight of the Order 6 + CON 1d10 +2 All Armor, Shields Simple, Martial
Marine 5 + CON 1d8 +2 Light, Medium, Shields Simple
Mercenary Veteran 6 + CON 1d10 +2 Light, Medium Simple, Martial
Noble 4 + CON 1d6 +2 Light, Medium Simple, Martial
Orzhov Representative 3 + CON 1d4 +2 Light Simple 2 cleric or wizard
Outlander 4 + CON 1d6 +2 Light Simple, Martial 1 cleric or druid
Rakdos Cultist 4 + CON 1d6 +2 Light, Medium Simple, Martial 1 sorcerer or warlock
Sage 3 + CON 1d4 +2 Simple 3 sorcerer or wizard
Sailor 5 + CON 1d8 +2 Light, Medium Simple
Selesnya Initiate 4 + CON 1d6 +2 Shields Simple 2 cleric or druid
Shipwright 5 + CON 1d8 +2 Light, Shields Simple, Martial
Simic Scientist 7 + CON 1d12 +2 Simple 1 druid or sorcerer
Smuggler 5 + CON 1d8 +2 Light, Medium Simple, Martial
Soldier 6 + CON 1d10 +2 All Armor, Shields Simple, Martial
Urban Bounty Hunter 5 + CON 1d8 +2 Light Simple, Martial 1 bard or sorcerer
Urchin 3 + CON 1d4 +2 Simple 3 sorcerer or warlock
Uthgardt Tribe Member 7 + CON 1d12 +2 Simple, Martial
Waterdhavian Noble 4 + CON 1d6 +2 Light, Medium Simple 1 bard or cleric