Hey fellow Planeswalkers! When it comes to deck-building in Magic: The Gathering Arena, it’s important to have a clear strategy in mind. Start by identifying your win condition and then build your deck around it. Make sure to have a good balance of creatures, spells, and lands to ensure consistency. Don’t forget to include some removal and card draw to handle different situations. And always playtest your deck to see how it performs and make adjustments accordingly. Happy brewing!