Shared Pool

Shared pool cards are accessible to all players and can show up in every game of Galaxy. These cards are not collectible, and cannot be added to decks.

You can distinguish shared pool vs collectible cards in the collection tab from the lack of subtle filigree and banner color on the character frame.

Compared to the shared-pool Itsy Bitsy Spider card on the right, the collectible Aladdin card on the left's name-banner has colored top and bottom borders and a decoration underneath. — A collectible card (left) compared to a shared-pool card (right).

The shared pool is updated from time-to-time, and come cards are added, retired, or re-balanced.