Khaos, Mother of Elements

Flying
Lands you control are each basic land type in
addition to there other types
Whenever Khaos, Mother of Elements deals
combat damage to a player, you may pay {4}. If
you do, search your library for up to two lands
and put them onto the battlefield tapped,
then shuffle your library. Then if you control
seven or more lands with different names, create
two 2/2 green Elemental creature tokens.