Hey fellow Planeswalkers! When building a deck in Magic: The Gathering Arena, it’s crucial to have a clear game plan. Start by identifying the win condition of your deck and then choose cards that support that strategy. Don’t forget to maintain a good balance between mana curve, card advantage, and synergy among your cards. Test your deck in some matches to see how it performs and be open to tweaking it based on the results. Remember, the key to a great deck is not just powerful cards, but how well they work together towards your victory! Keep brewing those awesome decks and may your opening hand always be in your favor!