Buyback

(You may pay an additional

as you cast this spell. If you do, put this card into your hand as it resolves.)
Target land becomes a 2/2 creature that's still a land. (This effect lasts indefinitely.)
A noncreature permanent that turns into a creature can attack, and its
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.