Returned To Modern Format

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For splinterlands game, I am playing again in modern format because I don't have a lot of cards that I can use in wild format. With the cards I had for wild format, I am only doing okay at wood and bronze III league.

In bronze II, I have difficult time to use cards in some battles. In some battles of wild format, I don't have the cards to participate in battles because of the rules. So, I gave up fighting the battles in wild format and retuned to modern format.

In modern format, I can use many cards. But I think there are too may players in modern format and it is difficult to win the battles. Now, I decided to continue to play in modern format.

I used to purchase items, chests and cards with glint I earned fron the battles. But I can not find them in the section of my own cards. If I find them at rewards history, I can see them. But why I can not see them at own card section. Do I have to see them at other section ? (or) I don't really own the cards I bought with glint rewards. I am confused.