If you confess with your mouth the Lord Jesus and believe in your heart that God has raised Him from the dead, you will be saved. (Romans 10:9)
They are lasting rewards added to your flagship.
For better and quicker answers you can ask on the Bandai forums where they games forum admins will answer the questions.
Thanks for the answer.
By the way, I am in the middle of compiling a manifest of cards for both games with comments/(hopefully) clarifications on cards that are unclear in their effect text.