Salome, Depths Explorer

{t}: Draw a card, then discard a card. If a land
card is discarded this way, add one mana of any
color.
Whenever you discard a land card, put a +1/+1 counter on Salome, Depths Explorer. Then, if
there are three or more +1/+1 counters on
Salome, remove all counters from Salome, then
scry 2 and draw a card.
She presents mysteries