Historical Rules · 12 July 2019
Rule 205.3n
Official source text from the 12 July 2019 Rules release
Planes have their own unique set of subtypes; these subtypes are called planar types. The planar types are Alara, Arkhos, Azgol, Belenon, Bolas’s Meditation Realm, Dominaria, Equilor, Ergamon, Fabacin, Innistrad, Iquatana, Ir, Kaldheim, Kamigawa, Karsus, Kephalai, Kinshala, Kolbahan, Kyneth, Lorwyn, Luvion, Mercadia, Mirrodin, Moag, Mongseng, Muraganda, New Phyrexia, Phyrexia, Pyrulea, Rabiah, Rath, Ravnica, Regatha, Segovia, Serra’s Realm, Shadowmoor, Shandalar, Ulgrotha, Valla, Vryn, Wildfire, Xerex, and Zendikar.