Golgari Rot Farm

[Mathias9519]

Can you use Golgari Rot Farm as your first land in the first round? Or do you have to return a land you control to it's owner's hand to use this card? {Golgari Rot Farm}

[Keyeto]

You have to return a land. If you have no other lands in play when you play it, you'll have to return it to your hand.