143.1. Tag: A Unit has zero or more Tags representing one or more champions, regions, factions, or species it belongs to.

143.2. Might: The combat statistic of a Unit. Used to determine a Unit's contribution to Combat, as well as when it is Killed by damaging effects.

143.3. Units can have damage marked on them.

143.4. Units enter the Board exhausted.

143.5. Units cannot be Attached to other permanents. See rule 435. Attach for more information on the attach game action. See rule 716. Attachment for more information on attachment.