Hey fellow Planeswalkers! When building your deck in Magic: The Gathering Arena, always make sure to have a good balance between creatures, spells, and lands. Consider your mana curve to ensure you have plays for each turn. Don’t forget to include removal spells and card draw to maintain control and consistency in your gameplay. And most importantly, playtest your deck to see how it performs and make adjustments accordingly. May your opening hand always have the perfect mix of cards! See you on the battlefield!