how to get character cards genshin

After Keqing equips this card, immediately use Stellar Restoration once. When your Keqing, who has this card equipped, creates an Electro Elemental Infusion, it will have the following effects: Starting Duration (Rounds) +1, Electro DMG dealt by the attached character +1. (You must have Keqing in your deck to add this card to your deck.) win up to 500 free spins