Is there a card similar to {ponder} but in green or white?
Nope.
Closest you can get is the Scry ability.
{sylvan library}
Of course! Old school!
Also {Mirri's Guile} is pretty absurd! Dust it off for miracle fun!
{Sensei's Divining Top} is ponder for everyone.
Well if you're trying to get creatures or land cards there are a couple you could use
{New Benalia}