2004-10-04 : If you don't want to unsummon a land, you can play this card then tap it for mana before the enters the battlefield ability resolves. You may then choose to sacrifice it instead of unsummoning a land.

2004-10-04 : You can return a land that is tapped or untapped.

2005-08-01 : This land is of type “Lair” only; other subtypes have been removed. It is not a basic land.