Hey fellow planeswalkers! When it comes to deck-building in Magic: The Gathering Arena, it’s all about finding the right balance between creatures, spells, and lands. Make sure to have a clear strategy in mind before you start adding cards to your deck. Consider the mana curve to ensure you have the right amount of low, mid, and high-cost cards for a smooth gameplay experience. Don’t forget to include cards that can deal with a variety of threats to increase your chances of victory. Happy brewing!