Historical Rules · 17 June 2011
Rule 204.3m
Official source text from the 17 June 2011 Rules release
Planes have their own unique set of subtypes; these subtypes are called planar types. The planar types are Alara, Arkhos, Bolas's Meditation Realm, Dominaria, Equilor, Iquatana, Ir, Kaldheim, Kamigawa, Karsus, Lorwyn, Luvion, Mercadia, Mirrodin, Moag, Muraganda, Phyrexia, Pyrulea, Rabiah, Rath, Ravnica, Segovia, Serra's Realm, Shadowmoor, Shandalar, Ulgrotha, Valla, Wildfire, and Zendikar.