What does Sovereign Order of Malta do in AoE3?

Sentinel: hit points +15%, damage +15%; Hospitaller: hit points +15%, damage +15%; Fire Thrower: hit points +15%, damage +15%. The game says: "Unique Maltese infantry attack and hitpoints increased."

Home City card

Sovereign Order of Malta

Sovereign Order of Malta (tech ID DEHCMalteseCombat) is a Home City card in AoE3: Definitive Edition 100.19.18309, in the decks of 1 civilization, sent from the Fortress Age. Effect: Sentinel: hit points +15%, damage +15%; Hospitaller: hit points +15%, damage +15%; Fire Thrower: hit points +15%, damage +15%.

Quick answers (3)

Which civilizations have the Sovereign Order of Malta card?: Maltese.
What does Sovereign Order of Malta do in AoE3?: Sentinel: hit points +15%, damage +15%; Hospitaller: hit points +15%, damage +15%; Fire Thrower: hit points +15%, damage +15%. The game says: "Unique Maltese infantry attack and hitpoints increased."
What is the tech ID of Sovereign Order of Malta?: DEHCMalteseCombat.

Unique Maltese infantry attack and hitpoints increased.

What it does

Sentinel: hit points +15%, damage +15%
Hospitaller: hit points +15%, damage +15%
Fire Thrower: hit points +15%, damage +15%

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

In these decks

MalteseIII×1

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