If for some reason you end up with a basically colourless deck then these are the next best lands you can include after the auto include (and the banned power stuff)
Patrolling Peacemaker What an incredibly fun design
Aegar, the Freezing Flame Axelrod Gunnarson Bartel Runeaxe Beluna Grandsquall Bonny Pall, Clearcutter Bre of Clan Stoutarm Brion Stoutarm Dargo, the Shipwrecker Gorm the Great Jareth, Leonine Titan Kalemne, Disciple of Iroas Kroxa and Kunoros Kroxa, Titan of Death's Hunger Oloro, Ageless Ascetic Osgir, the Reconstructor Phlage, Titan of Fire's Fury Rosheen Meanderer Rosheen, Roaring Prophet Ruhan of the Fomori Storvald, Frost Giant Jarl Surtr, Fiery Jtun The Lady of the Mountain Thryx, the Sudden Storm Uro, Titan of Nature's Wrath Vogar, Necropolis Tyrant Yorvo, Lord of Garenbrig Zalto, Fire Giant Duke
This creates a loop that will drain all enemy life totals to zero
Don't forget to add friends (each player has a code) so you can get Wonder Picks from them