Hey fellow Planeswalkers! When it comes to deck-building in Magic: The Gathering Arena, remember to focus on a clear win condition. Whether it’s overwhelming your opponent with creatures, casting a game-winning spell, or slowly draining their life total, having a clear goal will help you streamline your deck. Also, don’t forget to include a good balance of spells, creatures, and lands to ensure you have consistent draws. And always playtest your deck to see how it performs in different matchups. Happy brewing!