500 Magic: The Gathering Basic Lands 100 of each basic land type 100 Plains, Island, Swamp, Mountain, Forest
The full infinite line is down in the combos section
Command tax adds an extra cost of two generic mana for each time that individual creature has been played out of the Command Zone that game, and Commander damage only tracks how much combat damage an individual Commander has dealt to a player
Shes definitely at the top end of it, and if there was a Bracket 3.5 shed likely live there
Morophon, the Boundless Morophon, the Boundless is one of those cards that pretty much any 5-color deck wants to include, at least if its a typal deck
The "General Notes" section includes release information and explains the mechanics and concepts in the set