What does Presidial Lancers do in AoE3?

Chinaco: damage +10%; Gives: DEMX Lance Charge Shadow. The game says: "Chinacos inflict more damage and gain a powerful charged action."

Home City card

Presidial Lancers

Presidial Lancers (tech ID DEHCPresidialLancers) is a Home City card in AoE3: Definitive Edition 100.19.18309, in the decks of 1 civilization, sent from the Industrial Age. Effect: Chinaco: damage +10%; Gives: DEMX Lance Charge Shadow.

Quick answers (3)

Which civilizations have the Presidial Lancers card?: Mexicans.
What does Presidial Lancers do in AoE3?: Chinaco: damage +10%; Gives: DEMX Lance Charge Shadow. The game says: "Chinacos inflict more damage and gain a powerful charged action."
What is the tech ID of Presidial Lancers?: DEHCPresidialLancers.

Chinacos inflict more damage and gain a powerful charged action.

What it does

Chinaco: damage +10%
Gives: DEMX Lance Charge Shadow

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

Cost: 1
Sent from: IV
Times it can be sent: 1
Game ID: DEHCPresidialLancers

In these decks

MexicansIV×1

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