Hey fellow Planeswalkers! When it comes to deck-building in Magic: The Gathering Arena, think about your strategy first. Are you aiming for a quick aggressive win, or a more controlling approach? Make sure your cards work well together to support your strategy. Don’t forget to include a good mix of creatures, spells, and lands to ensure consistency. And always playtest your deck to see how it performs and make adjustments as needed. Remember, it’s not just about having powerful cards, but how you use them that makes a winning deck! Happy gaming!