You just need to play a strategy that doesnt care about attacking or casting spells on the extra turn
Set Booster Rarity Breakdown: 1 Rare or mythic 1 Foil common, uncommon, rare, or mythic 2 Commons, uncommons, rares, or mythics in any combination 1 Borderless or showcase common or uncommon 3 Uncommons 3 Commons 1 Basic regular art or full art land 1 Art Card 1 Token, ad card, or card from The List "THE LIST" CARDS FROM MAGIC 'S HISTORY
The ball is in your court, Mr
This is always ready to go and your opponent never knows when you might have it
Since Ragavan can hit the field early, this allows you to start ramping up with the treasures you will be generating
Since you can play the cards, this will let you play any lands you happen to exile