What does Szlachta do in AoE3?

Winged Hussar: Coin cost −20%, Food cost −20%; Cavalry Archer: Coin cost −10%, Food cost −10%; Retainer: Coin cost set to 60, Wood cost set to 0, Coin cost −4. The game says: "Winged Hussars and Cavalry Archers are cheaper. Retainers now cost coin instead of wood."

Home City card

Szlachta

Szlachta (tech ID DEHCSzlachta) is a Home City card in AoE3: Definitive Edition 100.19.18309, in the decks of 1 civilization, sent from the Fortress Age. Effect: Winged Hussar: Coin cost −20%, Food cost −20%; Cavalry Archer: Coin cost −10%, Food cost −10%; Retainer: Coin cost set to 60, Wood cost set to 0, Coin cost −4.

Quick answers (3)

Which civilizations have the Szlachta card?: Poles.
What does Szlachta do in AoE3?: Winged Hussar: Coin cost −20%, Food cost −20%; Cavalry Archer: Coin cost −10%, Food cost −10%; Retainer: Coin cost set to 60, Wood cost set to 0, Coin cost −4. The game says: "Winged Hussars and Cavalry Archers are cheaper. Retainers now cost coin instead of wood."
What is the tech ID of Szlachta?: DEHCSzlachta.

Winged Hussars and Cavalry Archers are cheaper. Retainers now cost coin instead of wood.

What it does

Winged Hussar: Coin cost −20%, Food cost −20%
Cavalry Archer: Coin cost −10%, Food cost −10%
Retainer: Coin cost set to 60, Wood cost set to 0, Coin cost −4

Cost: 1
Sent from: III
Times it can be sent: 1
Game ID: DEHCSzlachta

In these decks

PolesIII×1

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