Which civilizations have the Baltic Crusade card?

Germans, Swedes, Maltese and Poles.

What does Baltic Crusade do in AoE3?

Knight Brother: damage +30%, damage (Siege) +100%; Teutonic Knight: damage +30%, damage (Siege) +100%. The game says: "Teutonic Knights and Knight Brothers inflict more damage, especially against buildings."

Home City card

Baltic Crusade

Baltic Crusade (tech ID DEHCREVBalticCrusade) is a Home City card in AoE3: Definitive Edition 100.19.18309, in the decks of 4 civilizations, sent from the Colonial Age. Effect: Knight Brother: damage +30%, damage (Siege) +100%; Teutonic Knight: damage +30%, damage (Siege) +100%.

Quick answers (3)

Which civilizations have the Baltic Crusade card?: Germans, Swedes, Maltese and Poles.
What does Baltic Crusade do in AoE3?: Knight Brother: damage +30%, damage (Siege) +100%; Teutonic Knight: damage +30%, damage (Siege) +100%. The game says: "Teutonic Knights and Knight Brothers inflict more damage, especially against buildings."
What is the tech ID of Baltic Crusade?: DEHCREVBalticCrusade.