The thing about mono-red is that it knows its not as good as the other colors, but instead of trying to get better, it decides the best way to deal with that inadequacy is by dragging everyone else down to its level, so when you sit down to play this deck and your opponents reveal their commanders probably anti-Ball Lightning philistines, whoevers most popular in the moment you can delight in the knowledge that someones about to have all his or her fancy dual lands become Mountains
These conditions might involve the number of Energy Cards attached to a Pokmon, the state of the game, or other factors
Summary Foundations Jumpstart format mixes two 20-card packs for 40-card decks, offering 46 random themes
Designs go much wider than this, though, and there are sometimes other ways to turn them into creatures
The premier cycle of this set is, of course, the channel lands