原文You may reveal any land card with either or both of the appropriate subtypes. It doesn't have to be a basic land card.
2021/04/16
原文The "Snarl" itself doesn't have any land subtypes. You can't reveal one to satisfy the ability of another.
2021/04/16
原文If a land card with an appropriate subtype is entering the battlefield from your hand at the same time as one of these lands, you may reveal the other land to have the "Snarl" enter untapped.
2021/04/16
原文If an effect instructs you to put one of these lands onto the battlefield tapped, it will still enter the battlefield tapped even if you reveal a land card from your hand.