Hey fellow Planeswalkers! When it comes to deck-building in Magic: The Gathering Arena, remember to focus on a clear game plan. Whether you’re aiming for aggro, control, or combo, make sure your cards work well together to execute that strategy. Don’t forget to include a good balance of creatures, spells, and lands to ensure consistency. And always playtest your deck to fine-tune it for the best results on the battlefield. Keep slinging those spells and may your opening hand be ever in your favor!