Night and Day

At the beginning of each player's upkeep that player rolls a 6-sided die. Evens, its day. Odds, its night. Evens: 2- player searches their library for a basic land and puts it onto the battlefield. 4- player searches their library for creature with a mana cost 4 or less puts it onto the battlefield. 6 each player shuffles all cards on the battlefield. Odds: 1- each opponent discard and then draws a card. 3- each opponent exiles a random from their hand. 5- each player shuffles their hand, graveyard and ex