2006-09-25 : Weatherseed Totem will be returned to its owner’s hand if it was a creature at the time it was put into a graveyard from the battlefield.

2008-08-01 : A noncreature permanent that turns into a creature can attack, and its {T} abilities can be activated, only if its controller has continuously controlled that permanent since the beginning of their most recent turn. It doesn’t matter how long the permanent has been a creature.