D&D 5e Monster: Undead Sheriff - Dark Enforcers of Cursed Justice [Cowboys From Hell]
Legendary D&D 5e Monster: Haunted Stagecoach - This ride may be your last… [Cowboys From Hell]
Gunslinging D&D 5e Spells - When finger guns become really effective [Cowboys From Hell]
D&D 5e Warlock: The Ghost Town - Bend Spirits of the Past to your Will [Cowboys From Hell]
Trick Rider and Wrangling Expert – D&D 5e Feats - Become a rodeo expert, and subdue your enemies
D&D 5e Monster: Chupacowboy - The name may not be scary, unlike the beast itself [Cowboys From Hell]
Barbarian: Path of the Hellrager - Sent from Hell to Purge the Earth
D&D 5e Paladin: Oath of Progress - Sacrifice everything, and everyone, on the altar of progress
D&D 5e Spells - Ironwill & Fires of the Forge [Metallurgy Compendium]
Aggressive Charbelcher - A Small Metallic D&D 5e Monster that Loves Fire a bit too much!
Metallurgist's Gauntlet - A D&D 5e item for when you need to slap some sense in your enemies
Metallus - A D&D 5e Race of Metal and Flesh looking for their identity [Metallurgy Compendium]
D&D 5e Druid: Circle of the Subterranean - Use Metal to Slaughter your Foes
Ironbound Rush - A D&D 5e Spell for Armored Warriors Willing to Crush their Foes
The 2nd Open Gaming Ledger - OGL 2.0 for short (late to the party I know)
D&D 5e Tiefling: Gold Bloodline - Tieflings cursed to the sin of avarice by Hasbrodeus
D&D 5e Bard: College of Bureaucracy - Become an absurdly annoying bookkeeper [Compendium of Greed]
D&D 5e Background: Failed Revolutionary - Reignite the Spark of Revolution! [Compendium of Greed]
Nightgaunt - Bring your Nightmares to life with this Dreadful Lovecraftian Monster for D&D 5e
Spells: Forgiveness and Lance of Mordred