Realmkeeper Taria

Domain — Realmkeeper Taria's power and
toughness are each equal to the number of basic
land types among lands you control.
Whenever you cast your first spell each turn,
reveal the top card of your library. If it has mana
value less than or equal to the number of basic
land types among lands you control, put it into
your hand. Otherwise, put it on the bottom of
your library.