Hey fellow Planeswalkers! When it comes to deck-building in Magic: The Gathering Arena, one trick I swear by is to focus on a specific strategy or theme for your deck. Whether it’s aggro, control, or combo, having a clear game plan will make your deck more consistent and powerful. Don’t forget to pay attention to your mana curve to ensure you have the right balance of early-game plays and late-game threats. And always playtest your deck to fine-tune it based on how it performs against different archetypes. Happy brewing!