Not legal in Standard, Pauper, Alchemy, Standard Brawl, Pauper Commander, Premodern, Pre-EDH, Old School, Penny Dreadful
Notes & Rules Information
If a Desert has an ability with a cost of "Sacrifice a Desert," you can sacrifice that Desert to pay the cost for its own ability.
(2017-07-14)
Desert is a land subtype with no special meaning. It doesn't grant the land an intrinsic mana ability. Other cards may care about which lands are Deserts.