Thanks @bdubwim
You want to check out the How to play section on the official site https://splinterlands.com/?p=gameplay
Also, there is a great community of players in Discord
https://discord.gg/jNFEBR4J
and telegram
https://t.me/splinterlands
for more tips and questions information
You can only earn rewards after registration for an account for free and spellbook purchase at $10 dollar.
Fell free to message me on telegram @oadissin if you have any difficulty playing Splinterlands.