What does Diplomatic Intrigue do in AoE3?

+300 Trade. The game says: "Receive 300 Export. Also relations are now very cheap."

Home City card

Diplomatic Intrigue

Diplomatic Intrigue (tech ID YPHCSmoothRelations) is a Home City card in AoE3: Definitive Edition 100.19.18309, in the decks of 2 civilizations, sent from the Colonial Age. Effect: +300 Trade.

Quick answers (3)

Which civilizations have the Diplomatic Intrigue card?: Chinese and Japanese.
What does Diplomatic Intrigue do in AoE3?: +300 Trade. The game says: "Receive 300 Export. Also relations are now very cheap."
What is the tech ID of Diplomatic Intrigue?: YPHCSmoothRelations.

Receive 300 Export. Also relations are now very cheap.

What it does

+300 Trade

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

What it hands over

300Trade

Total ≈ 0 resources — units at their train cost, crates and animals at what they hold.

Some civilizations get a different version of this card; the numbers above are the base card.

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

In these decks

ChineseII×1

JapaneseII×1

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