Hey fellow Planeswalkers! When it comes to deck-building in Magic: The Gathering Arena, one trick I swear by is to always have a clear win condition in mind before adding any cards to your deck. Whether it’s a powerful combo or an unbeatable creature, having a clear goal will help you streamline your deck and make it more consistent. Don’t forget to also pay attention to your mana curve to ensure you have the right balance of early game plays and late game threats. Happy brewing!