The energy to roll the high number may flow upward. When not using a die, have the highest number facing down. The energy to roll the high number may flow downward. When not using a die, don't let different colors touch. When not using a die, leave it jumbled with the other dice.
Random organization gives totally random results.
Before rolling a die, chant. Chanting will ease unlucky spirits. Dice seem to respect philosophical people because they feel that they are on the same intellectual plane of consciousness. The diew may give a better roll if it thinks it's for somebody other than you. Before rolling a die, pray to whatever god you wish to guide the die.