Eva and Era Dedgri

Other Blue or green creatures you control
have {t}: Add {g}
Lands you control have {t}: Add a Treasure artifact token
{ut}{g/u}{g/u}{g/u}{g/u}{g/u}{g/u}{g/u}{g/u}{g/u}{g/u}: Gain control of
all lands and they all become an Island or a Forest, you get to choose what they become