Hey fellow Planeswalkers! When it comes to deck-building in Magic: The Gathering Arena, always remember to consider the synergy between your cards. Focus on cards that work well together and support your overall strategy. Don’t forget to include a good mix of mana curve to ensure you have plays at every stage of the game. And most importantly, have fun experimenting with different card combinations to find what works best for you! May your draws be lucky and your opponents be mana screwed. Good luck out there!