WotCs official MSRP for a normal Standard-legal booster is $5.49, with a full 100-card Commander deck costing $44.99
For finishing up, Zeus Missing His Spark and Jasmine Soothing Princess are great
Roughly, that would be 12 of each uncommon, 3 of each rare, and 1.5 of each mythic
* 1 reference card
Its easy to run out of cards because even though you start with a hand of seven and draw one card per turn, every turn youll typically be placing one card into your Inkwell and playing one or two characters/actions/items, so after four or five turns your hand will be empty
When a TCG runs for long enough, even cards that were balanced upon release might become broken thanks to how newer cards interact with them, ultimately leading to the original versions being removed from allowed tournament play