Hey fellow Planeswalkers! When it comes to deck building in Magic: The Gathering Arena, I always start by identifying a clear win condition. Whether it’s overwhelming with creatures, burn spells, or a combo finish, having a focused goal is key. I also make sure to include a good mix of spells to handle various situations, like removal for pesky threats and card draw for consistency. Don’t forget about the mana curve – having a good balance of low, mid, and high-cost cards ensures you have plays at every stage of the game. And finally, playtest your deck often to fine-tune it based on what works and what doesn’t. Happy brewing!