The land that you put onto the battlefield will be counted when determining whether you control four or more lands, but Fabled Passage will not
Every green creature above three mana is tough enough to work with, so you can just chuck Catapult Fodder into a pile of miscellaneous creatures and removal as an alternative closer
As I said, just a small comment
The self-mill sagas are probably a more moderate option to start with, along with the beautifully-illustrated Torment cycle of Hypochondria, Mortiphobia and Narcissism
Weird family metaphors aside, when should you play 18 lands over 17
Legendary Creature - Vampire Angel Stax (CTRL to add secondary) Tokens Tokens (CTRL to add secondary) Tutor Tutor (CTRL to add secondary) Maybeboard Kamber, the Plunderer Partner with Laurine, the Diversion (When this creature enters, target player may put Laurine into their hand from their library, then shuffle.) Lifelink Whenever a creature an opponent controls dies, you gain 1 life and create a Blood token