Once you get into the free rental programs, you can immediately start building and playing Commander decks that would cost hundreds of dollars in paper, competitive budget Modern / Pioneer decks, and much more
When you are down in prizes, you can play the supporter to get any 2 cards from the deck to your hand
You should include blink staples like Mulldrifter, Inspiring Overseer, and Spirited Companion for card draw and life gain
Graded Population Report: Mela #198 Visualize the distrbution of grades in the chart
Only time will tell, but I struggle to believe this is anything less than one of the strongest Izzet commanders ever printed
If you dont have the mana for the card Transmute Artifact tutored for, or you simply dont wish to pay it, you can just let your tutored card go to the graveyard like a more expensive Entomb, allowing you to bring it back later with an effect like Reconstruction or Argivian Restoration