Hey fellow Planeswalkers! When it comes to building a killer deck in Magic: The Gathering Arena, it’s all about finding the perfect balance of cards. Make sure to include a good mix of creatures, spells, and lands to ensure consistency in your gameplay. Don’t forget to pay attention to your mana curve – having a variety of low, mid, and high-cost cards will help you in different game situations. And always remember, synergy is key! Choose cards that work well together to create powerful combos and outsmart your opponents. Keep tweaking and testing your deck to find the winning formula! Good luck out there!