Maximum number of p1p1 cards possible and cards that support them.

Heroes are permanents that begin the game on the battlefield. They are not included in your 40 card deck.

Blacker Lotus is just removed from your draft pool when activated. You will need to add another card to your deck for the next game.

Contract from Below says "Discard your hand, exile the top card of your library, then draw seven cards. If you lose the game, give the exiled card to your opponent."