For the former, you can use Coastal Piracy to have tokens available for defence after each unblocked attack, any card drawn can be combined with Mystic Redaction, Sphinxs Tutelage or Psychic Corrosion, the Mystical Tutor and Solve the Equation help us find the right cards for any strategy, for example Time Warp, Pyromancers Goggles or Swarm Intelligence (matching the Commander)
Gravekeeper's Chief This card is a better revival than Loading
Your deck's strategy, mana curve, combos, and interactions will help determine which artifacts to include, and whether any that facilitate card draw are helpful or necessary
Faithless Looting , Faithless Salvaging , Cathartic Reunion , Burning Inquiry , Gamble , Thrill of Possibility , and Unexpected Windfall make up the bulk of our card draw setup
Good job Bandai