Hey fellow Planeswalkers! When it comes to deck-building in Magic: The Gathering Arena, one strategy I always swear by is focusing on synergy. Pick cards that work well together and enhance each other’s abilities. Also, don’t forget to have a good balance between creatures, spells, and lands to ensure you can play your cards effectively. And always keep an eye on your mana curve to make sure you have the right mix of low and high-cost spells. Happy brewing!