Splinterlands 🎯 weekly challenge

Hello dear friends, I hope you are doing well and healthy.
Your brother also good.Today I'm talking about splinterlands game so let's start with me.Today I played one battle and result same.I couldn't won battle.I have 17 mana cap and i went from fire card because fire card not costly than others.If talking about enemy so enemy played with water card and every match Play with water.
So good player and best of luck.I don't know about water card how can work in battle.

Thank you so much
Good night