What does 1 Flatland Castle do in AoE3?

Ships 1 Castle Rickshaw; Ships 1 Hindu Villager; Castle: damage (Ranged) +10%, hit points +10%; Ships 2 Sepoy. The game says: "Ships 1 Castle Rickshaw that can transform into a Castle. Boosts Castle hitpoints and damage, +1 Villager."

Home City card

1 Flatland Castle

1 Flatland Castle (tech ID YPHCShipCastleWagons1Indians) is a Home City card in AoE3: Definitive Edition 100.19.18309, in the decks of 1 civilization, sent from the Colonial Age. Effect: Ships 1 Castle Rickshaw; Ships 1 Hindu Villager; Castle: damage (Ranged) +10%, hit points +10%; Ships 2 Sepoy. It hands over about 100 resources' worth.

Quick answers (3)

Which civilizations have the 1 Flatland Castle card?: Indians.
What does 1 Flatland Castle do in AoE3?: Ships 1 Castle Rickshaw; Ships 1 Hindu Villager; Castle: damage (Ranged) +10%, hit points +10%; Ships 2 Sepoy. The game says: "Ships 1 Castle Rickshaw that can transform into a Castle. Boosts Castle hitpoints and damage, +1 Villager."
What is the tech ID of 1 Flatland Castle?: YPHCShipCastleWagons1Indians.

Ships 1 Castle Rickshaw that can transform into a Castle. Boosts Castle hitpoints and damage, +1 Villager.

What it does

Ships 1 Castle Rickshaw(unit)
Ships 1 Hindu Villager(unit)
Castle: damage (Ranged) +10%, hit points +10%
Ships 2 Sepoy(unit)

What it hands over

1 × Castle Rickshawno train cost
1 × Hindu Villager100 each

Total ≈ 100 resources — units at their train cost, crates and animals at what they hold.

Cost: 1
Sent from: II
Times it can be sent: 1
Game ID: YPHCShipCastleWagons1Indians

In these decks

IndiansII×1

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