Hey fellow Planeswalkers! When it comes to building a strong deck in Magic: The Gathering Arena, it’s crucial to pay attention to your card choices. Make sure your deck has a good balance of cards that support each other and work well together. Include a mix of creatures, spells, and other key cards to cover all your bases. Don’t forget to consider the mana curve to ensure you have the right mix of low-cost and high-cost cards for each stage of the game. And most importantly, always playtest your deck to see how it performs and make adjustments as needed. Happy deck-building!