Were finally getting into one of Grixis themes: spellcasting decks
You can reconstruct all sorts of heinous contraptions like Bolas's Citadel, Portal to Phyrexia, and The One Ring with a simple attack trigger
Exile this creature at the beginning of the next end step, then you may cast it from exile on a later turn.) Creature - Druid Insect Seedship Agrarian Whenever this creature becomes tapped, create a Lander token
With that math in mind, if you want your deck to reliably make 4 land drops in the first 4 turns of the game, you should start with 36-39 lands and tweak from there
Brought Back feels especially gross for opponents, and thats just the tip of the iceberg on ways you can increase Solitudes power
Colorless Graveyard Hate Colorless artifacts and lands provide universal access to graveyard hate