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 game plan in mind. Whether you’re going for an aggressive strategy or aiming for a late-game powerhouse, every card in your deck should serve that purpose. Don’t forget to balance your mana curve to ensure you have plays for every stage of the game. And lastly, don’t be afraid to tweak your deck after playtesting to fine-tune its performance. Happy brewing!