mtg how much land in a 100 card deck many lands do you put commander : r/mtg What is the ideal number

One side displayed a peaceful image of before the dinosaurs made their escape, with the reverse side showing the aftermath

I would have to have a pile of mana late game and then play this

Free-for-All is just a card that flips every other monster down and slowly summons them into the battlefield, while I'm Rubber, You're Glue forces the user to speak only in rhyming sentences

Here are my options: Ash Barrens Canyon Slough Bloodstained Mire Temple of Malice Myriad Landscape Forgotten Cave Desert of the Glorified Smoldering Crater Polluted Mire Phyrexian Tower Agadeem's Awakening Spikefield Hazard Step 4: Put It All Together Now that you have all your potential cards picked out you need to start assembling your deck