Hey fellow Planeswalkers! When building your deck in Magic: The Gathering Arena, always remember to have a clear strategy in mind. Choose cards that work well together and support your game plan. Don’t forget to have a good balance between creatures, spells, and lands. Test your deck against different opponents 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!