Now let's turn to bounce
Use the Lotus to tap for triple black, then untap it for one mana with the Staffs first ability, draw your entire deck (thanks to Staff of Domination), cast an infinitely large Exsanguinate or Torment of Hailfire and youre done
Personally, I don't like spending more than 1 Mana for a Counterspell these days
Leyline maps your decklist to a bracket automatically, so your Rule 0 conversation starts from real data instead of optimistic memory
Youll earn cards and packs as you go, so every game helps your progression
It's quite mathy, but he goes into a great deal of detail and explains his rationale, while not ignoring the realities of the game (there are one-mana Cycling cards, cards that fetch lands, cards that tap to add mana which aren't lands, and more.)