mtg lands in a commander deck 40 Staple for Magic the Gathering - Command Tower, Lifegain, Guildgate, Utility Commander Land Bundle Set EDH

With Neera in play, you can choose to put the spell youre casting on the bottom of your library, and flip cards off of the top until you get a nonland card, which you can then cast for free

Players will get in-game items and a tasty pizza

But when a lock piece shuts down your play preemptively, it does so before that choice can even become apparent, before that decision tree has the chance to entertain you with its possibilities

Reliquary Tower taps for one Colorless mana, as do a lot of Lands on this list, but the effect it has is nothing to do with mana at all

Add broken cards like Karmic Guide and entomb effects like Buried Alive, then you can just keep recurring Spore Frog once you get a reanimation engine going and prevent combat damage thanks to its fog effect, among other annoying things you can do