Clan

A clan is the the principal social unit of a tribal organization: a group of people regarded as being descended from a common ancestor or united by some common trait, characteristic, or interest.
==Dominaria==
===Ice Age===
* Clan Emerald
* Clan Onyx
* Clan Pearl
* Clan Ruby
* Clan Sapphire
===Benalia===
* Clan Rosecot
* Clan Deniz
* Clan Tarmula
* Clan Ternsev
* Clan Capashen
* Clan Joryev
* Clan Croger 
===Madara===
* Clan Umezawa
==Kamigawa==
* Clan Umezawa
==Mirrodin==
* The Krark-Clan
==Rabiah==
* The Djinn Clans
==Ravnica==
* The Gruul Clans
** The Burning Tree Clan
** The Ghor Clan
** The Scab Clan
==Tarkir==
* The Abzan Houses
* The Jeskai Way
* The Sultai Brood
* The Mardu Horde
* The Temur Frontier
==Ulgrotha==
* The Clan of the Gentle Wave