Mutate {G}{U} {1}, {T}: 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.
2020-04-17
If the top card of your library is a land card, you may just put it into your hand instead of putting it onto the battlefield. If you do, you don't reveal that it's a land card.
2020-04-17
If you don't put the top card of your library onto the battlefield, you put it into your hand without revealing it.
2020-04-17
Parcelbeast's effect doesn't count as playing a land. It can put a land card onto the battlefield even if you've already played your land for the turn.