Skyclave Aerialist // Skyclave Invader

Flying 4 generic mana Phyrexian green mana : Transform this creature. Activate only as a sorcery. ( Phyrexian green mana can be paid with either green mana or 2 life.) // Flying When this creature transforms into Skyclave Invader, look at the top card of your library. If it's a land card, you may put it onto the battlefield. If you don't put the card onto the battlefield, put it into your hand.