What does Standard Army Hitpoints do in AoE3?

Steppe Rider: hit points +20%; Chu Ko Nu: hit points +20%. The game says: "Chu Ko Nu and Steppe Rider hitpoints increased."

Home City card

Standard Army Hitpoints

Standard Army Hitpoints (tech ID YPHCStandardArmyHitpoints) is a Home City card in AoE3: Definitive Edition 100.19.18309, in the decks of 1 civilization, sent from the Colonial Age. Effect: Steppe Rider: hit points +20%; Chu Ko Nu: hit points +20%.

Quick answers (3)

Which civilizations have the Standard Army Hitpoints card?: Chinese.
What does Standard Army Hitpoints do in AoE3?: Steppe Rider: hit points +20%; Chu Ko Nu: hit points +20%. The game says: "Chu Ko Nu and Steppe Rider hitpoints increased."
What is the tech ID of Standard Army Hitpoints?: YPHCStandardArmyHitpoints.

Chu Ko Nu and Steppe Rider hitpoints increased.

What it does

Steppe Rider: hit points +20%
Chu Ko Nu: hit points +20%

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

In these decks

ChineseII×1

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