Hey fellow Planeswalkers! When building your deck in Magic: The Gathering Arena, always remember to have a good balance between creatures, spells, and lands. Make sure your deck has a clear strategy or win condition, and don’t forget to include some removal spells to deal with your opponent’s threats. Test your deck against different matchups to see how it performs and make adjustments accordingly. And most importantly, have fun experimenting with different cards and strategies to find what works best for you! Good luck out there on the battlefield!