Hey fellow Planeswalkers! When it comes to deck-building on Magic: The Gathering Arena, it’s all about finding the right balance between creatures, spells, and lands. Make sure your deck has a clear win condition and focus on cards that support that strategy. Don’t forget to include removal spells to deal with your opponent’s threats. And always playtest your deck to see how it performs against different strategies. Remember, the key to success is adapting and evolving your deck based on the current meta. Keep brewing and may your opening hand always be full of land!