What does 7 Mapuche Bolas Riders do in AoE3?

Ships 7 Mapuche Bolas Rider; Gives: DEREV Bolas Rider Shadow; Ships 1 Spanish Treasure Chest. The game says: "Ships a number of Elite Mapuche Bolas Riders and enables them to be trained from military buildings."

Home City card

7 Mapuche Bolas Riders

7 Mapuche Bolas Riders (tech ID DEHCREVShipBolasRider) is a Home City card in AoE3: Definitive Edition 100.19.18309, in the decks of 1 civilization, sent from the Fortress Age. Effect: Ships 7 Mapuche Bolas Rider; Gives: DEREV Bolas Rider Shadow; Ships 1 Spanish Treasure Chest. It hands over about 1,260 resources' worth.

Quick answers (3)

Which civilizations have the 7 Mapuche Bolas Riders card?: Spanish.
What does 7 Mapuche Bolas Riders do in AoE3?: Ships 7 Mapuche Bolas Rider; Gives: DEREV Bolas Rider Shadow; Ships 1 Spanish Treasure Chest. The game says: "Ships a number of Elite Mapuche Bolas Riders and enables them to be trained from military buildings."
What is the tech ID of 7 Mapuche Bolas Riders?: DEHCREVShipBolasRider.

Ships a number of Elite Mapuche Bolas Riders and enables them to be trained from military buildings.

What it does

Ships 7 Mapuche Bolas Rider(unit)
Gives: DEREV Bolas Rider Shadow
Ships 1 Spanish Treasure Chest(unit)

What it hands over

7 × Mapuche Bolas Rider180 each

Total ≈ 1,260 resources — units at their train cost, crates and animals at what they hold.

Cost: 1
Sent from: III
Times it can be sent: no limit
Game ID: DEHCREVShipBolasRider

In these decks

SpanishIII∞

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