Hey fellow Planeswalkers! When it comes to building a solid deck in Magic: The Gathering Arena, always start with a clear strategy in mind. Are you aiming for a fast aggro deck, a control deck, or maybe a combo deck? Make sure your card choices align with your strategy to maximize synergy and consistency. Don’t forget to include enough removal and card draw to handle different situations. And most importantly, playtest your deck against various matchups to fine-tune it. Good luck and may your opening hands be ever in your favor!