Hey fellow Planeswalkers! When building your deck in Magic: The Gathering Arena, remember to have a good balance of spells, creatures, and lands. Make sure your mana curve isn’t too high to avoid getting stuck with unplayable cards early on. Don’t forget to include removal spells and cards that can deal with various types of threats. And most importantly, playtest your deck to see how it performs and make adjustments accordingly. Happy dueling!