Create decks around any leader, import and export community-standard decklists, log your matches, and study your win rate per matchup
Dictate of Erebos or your wraths do a lot to chew through your opponents boards while leaving you ahead
Vesuva If Wizards is indeed committing this set to helping all eternal formats, they need to find a few Constructed staples outside of the Reserved List that they can slide it to relieve Legacy and Vintage pocketbooks
Temple bell is a good card to use in conjunction with Nekusar and Mirari, after acquiring more mana, can help you counter or burn your opponent
You may choose whether the Unsummon comes before or after the damage spell, since you cast your spell last
You can only play Value Town from exile if it's "on an adventure," it's currently a time at which you could otherwise play a land, and you have a land play available