Hey fellow Planeswalkers! When it comes to deck-building in Magic: The Gathering Arena, it’s important to have a clear strategy in mind. Start by defining your win condition – whether it’s through aggro, control, or combo. Make sure to have a good balance between creatures, spells, and lands to ensure consistency. Don’t forget to include cards that can deal with a variety of threats. And always playtest your deck to fine-tune it. Happy brewing!