{courser of kruphix}
Can I play more then one land with this? If it gets revealed?
My guess Is probably not,.... Right?
Correct.
Rules for support
305.2. A player can normally play one land during his or her turn; however, continuous effects may increase this number.
305.2a To determine whether a player can play a land, compare the number of lands the player can play this turn with the number of lands he or she has already played this turn (including lands played as special actions and lands played during the resolution of spells and abilities). If the number of lands the player can play is greater, the play is legal.
So I can play more then one land with him?
Only if you have other effects that give you more land drops. Courser doesn't change how many lands you can play per turn, only where you can play them from. If you have {Exploration} on the board, you'll get two land drops, and both could come from the top with Courser. Courser by itself, though, doesn't let you.