Historical Rules · 4 February 2011
Rule 204.3m
Official source text from the 4 February 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.