What does Peninsular Guerrillas do in AoE3?

Ranged Infantry: damage +20%; Musketeer: damage −10%; Ships 1 Spanish Treasure Chest. The game says: "Improves Ranged Infantry attack and allows Skirmishers to see the location of enemies they've recently damaged."

Home City card

Peninsular Guerrillas

Peninsular Guerrillas (tech ID DEHCPeninsularGuerrillas) is a Home City card in AoE3: Definitive Edition 100.19.18309, in the decks of 1 civilization, sent from the Industrial Age. Effect: Ranged Infantry: damage +20%; Musketeer: damage −10%; Ships 1 Spanish Treasure Chest.

Quick answers (3)

Which civilizations have the Peninsular Guerrillas card?: Spanish.
What does Peninsular Guerrillas do in AoE3?: Ranged Infantry: damage +20%; Musketeer: damage −10%; Ships 1 Spanish Treasure Chest. The game says: "Improves Ranged Infantry attack and allows Skirmishers to see the location of enemies they've recently damaged."
What is the tech ID of Peninsular Guerrillas?: DEHCPeninsularGuerrillas.

Improves Ranged Infantry attack and allows Skirmishers to see the location of enemies they've recently damaged.

What it does

Ranged Infantry: damage +20%
Musketeer: damage −10%
Ships 1 Spanish Treasure Chest(unit)

3 further effects (interface, visuals or AI) not listed.

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

In these decks

SpanishIV×1

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