Field Piper

When Field Piper enters the battlefield look at the top six cards of your library. Put up to two creature cards with mana value 3 or less from among them into your hand. Put the rest on the bottom of your library in any order.
Tint {g} (This permanent becomes green)
As long as Field Piper is green it has "{g/w}, {t}: You may put a creature card with mana value 3 or less from your hand onto the battlefield."