how many lands in a commander deck mtg And Ramp Do I Need My Deck? Is this too much land

I want to preface everything with a caveat: Im working from the best known information

There are several versions of Liliana available in Pioneer Masters, however, Liliana Vess is arguably the most powerful

Guardian of the Great Door Rating: 7/10 This is essentially just a good 6-drop with convoke and improvise, which is really powerful

I made sure to use my Godzilla, Doom Inevitable skin of Yidaro, Wandering Monster, since Godzilla provides a much better Dino vibe than the regular artwork, which plays up the Turtle side more

Each full-art map basic land shows off a different location featured in the stories of The Lord of the Rings and can be found in Draft, Set, Jumpstart, and Collector Boostersand in those Collector Boosters, it will be a traditional foil card