What does Sheriff do in AoE3?

Hero: damage +50%, hit points +50%; General: damage bonus against Guardian +100%, damage bonus against Outlaw +100%, damage bonus against Outlaw set to 1; Gives: Carbine Attack. The game says: "Improves your United States General in combat and makes him deadly to Outlaws and Treasure Guardians. Enables his Long Range charged Carbine ability early."

Home City card

Sheriff

Sheriff (tech ID DEHCGeneralAmericans) is a Home City card in AoE3: Definitive Edition 100.19.18309, in the decks of 1 civilization, sent from the Colonial Age. Effect: Hero: damage +50%, hit points +50%; General: damage bonus against Guardian +100%, damage bonus against Outlaw +100%, damage bonus against Outlaw set to 1; Gives: Carbine Attack.

Quick answers (3)

Which civilizations have the Sheriff card?: United States.
What does Sheriff do in AoE3?: Hero: damage +50%, hit points +50%; General: damage bonus against Guardian +100%, damage bonus against Outlaw +100%, damage bonus against Outlaw set to 1; Gives: Carbine Attack. The game says: "Improves your United States General in combat and makes him deadly to Outlaws and Treasure Guardians. Enables his Long Range charged Carbine ability early."
What is the tech ID of Sheriff?: DEHCGeneralAmericans.

Improves your United States General in combat and makes him deadly to Outlaws and Treasure Guardians. Enables his Long Range charged Carbine ability early.

What it does

Hero: damage +50%, hit points +50%
General: damage bonus against Guardian +100%, damage bonus against Outlaw +100%, damage bonus against Outlaw set to 1
Gives: Carbine Attack

1 further effect (interface, visuals or AI) not listed.

Cost: 1
Sent from: II
Times it can be sent: 1
Game ID: DEHCGeneralAmericans

In these decks

United StatesII×1

Source: techtreey.xml and the Home City files, AoE3: DE 100.19.18309 (build 25040513).