Hey fellow Planeswalkers! When it comes to building a solid deck in Magic: The Gathering Arena, it’s all about finding the right balance between creatures, spells, and lands. Make sure to have a good mix of low-cost and high-cost cards to handle any situation. Don’t forget to include some removal spells to deal with your opponent’s threats. And always playtest your deck to see how it performs in different matchups. Remember, the key to success is adaptability and creativity in your deck-building strategy! Good luck out there on the battlefield!