You can use it to remove unfavourable blocks and, after damage has been dealt, to give a sudo vigilance to creatures
Each time you do the loop, you crack your eggs, draw cards, and generate mana, and then you cast another copy of Faith's Reward again (or Beseech the Mirror tutoring Faith's Reward), getting back all your eggs, cards, and mana
While there are oodles of powerful utility lands to choose from, just remember to run enough Basic Lands
I had a call with him before hand and then provided a list of what I had to sell
Most stores prefer that your cards are unsleeved and at least loosely sorted, with bulk separated from the more valuable pieces