(When you cast the spell, exile cards from the top of your library until you exile a nonland card that costs less
Most of the lands are pretty basic
Take a good look at how much of each color you need for each spell and choose your lands accordingly
Exit Through the Grift Shop Felidar Sovereign Form of the Approach of the Second Sun Frenetic Sliver Gallifrey Stands Gideon of the Trials Halo Fountain Happily Ever After Hedron Alignment Helix Pinnacle Hellkite Tyrant Herald of Eternal Dawn Jace, Wielder of Mysteries Laboratory Maniac Laboratory Maniac Liliana's Contract Luck Bobblehead Mayael's Aria Maze's End Mechanized Production Mortal Combat Near-Death Experience Now I Know My ABC's Platinum Angel Platinum Angel Avatar Ramses, Assassin Lord Revel in Riches Shahrazad Shinryu, Transcendent Rival Simic Ascendancy Test of Endurance Thassa's Oracle The Book of Exalted Deeds The Cheese Stands Alone The Countdown Is at One Triskaidekaphile Twenty-Toed Toad Woodland Guidance Wowzer, the Aspirational (playtest)
It is nice to have the slight flexibility with the plot ability though
If you can get your heavy-hitters like Mufasa, King of the Pride Lands and Simba, Returned King out fast enough, you can overwhelm your opponent with sheer size and win the game before they even have enough ink in their own well to deal with you