Roll a six-sided die. Apply this effect, depending on whose turn it is.
During your turn: Banish cards from your GY equal to the result. Then, if the result was 1, send 6 cards from the top of your Deck to the GY.
During your opponent's turn: Send cards from the top of your Deck to the GY equal to the result. Then, if the result was 6, banish 1 card from your GY.