Hey fellow Planeswalkers! When it comes to deck-building in Magic: The Gathering Arena, it’s essential to have a clear strategy in mind. Start by selecting a win condition – whether it’s overwhelming your opponent with creatures, controlling the board with spells, or outlasting them with lifegain. Then, choose cards that support your win condition and have good synergy with each other. Don’t forget to balance your deck with a mix of low-cost spells for early game advantage and high-impact cards for late-game power. And always playtest your deck to see what works and what doesn’t – tweaking and refining is all part of the fun! Good luck out there on the battlefield!