Hey fellow Planeswalkers! When it comes to deck-building in Magic: The Gathering Arena, it’s all about finding the right balance between mana curve, synergy, and versatility. Make sure to include a good mix of creatures, removal spells, and support cards in your deck. Remember, having a solid game plan and knowing your win conditions is key. Don’t forget to playtest your deck to fine-tune it for different matchups. Keep brewing and may your opening hands always be favorable!