Yes, we expect that you will be able to buy individual Silver and Gold cards from other players via the Skyweaver Market to complete your card collections and build custom decks.
Skyweaver is a free-to-play game built on the Ethereum blockchain; and although all the Base cards in the game can be unlocked through free play, Skyweaver gives you the ability to purchase Silver cards and Gold cards on the Skyweaver Market in-game.