Cave of the Frost Dragon (Ampersand Promo) [Dungeons & Dragons: Adventures in the Forgotten Realms Promos]

If you control two or more other lands, Cave of the Frost Dragon enters the battlefield tapped.
{T}: Add {W}.
{4}{W}: Cave of the Frost Dragon becomes a 3/4 white Dragon creature with flying until end of turn. It's still a land.