Kassadoch, God of Plenty

As your combined devotion to White, Blue and Green is more than 10, lands you control tap for
an addition mana of any type that land could produce.
{1}{g/u}: Target land you control becomes the basic land type of your choice until end of turn.
{1}{w}{u}{g}: Reveal the top card of your library. If it is a land card, put it into play. Otherwise,
put it on the bottom of your library.