If you want to talk numbers, Id say 8-10 pieces of mana ramp is a good number to aim for, but thats very arbitrary
Then, if they discard a card, they draw a card
Players gain lore by questing, which is done by exerting (tapping) characters and adding their lore value (the diamonds on the bottom right side) to their score
Squee, Goblin Nabob
Number 0 Language English Legal Formats Competitive Brawl Restricted Formats Timeless, Vintage Not Legal Formats Alchemy, Modern, Pauper, Pioneer, Standard Banned Formats Brawl, Commander, Historic, Legacy Rulings (11/17/2017) Once your life total is 0, you can't pay any more life, even if you've somehow not lost the game yet.
Card draw is always good and being able to target those draws to cards that you want and/or need is even better