Because Konami PSCT becomes weirder everyday.
The new term is "Restored"
Used in "Call of Darkness" on the Database, and yes it is an ERRATA!
NEW TEXT
All monsters restored with "Monster Reborn" are sent to the Graveyard. "Monster Reborn" also cannot be played as long as this card remains on the field.
http://www.db.yugioh-card.com/yugiohdb/card_search.action?ope=2&cid=4859&request_locale=en
http://yugioh.wikia.com/wiki/Card_Errata:Call_of_Darkness
OLD TEXT: