Orzov Roulette

During each players draw step that player
draws a card from the {w} and {b} pile,
then discards one of those cards.
(this replaces ,,drawing a card'' in draw step)
White and Black spells cost {1} less to cast.
During e.p. upkeep that player may discard a white or black card to destroy Orzov Roulette.