The Dice of Truth

{3}, {t}: Each player rolls a ten sided die. If you roll a number stated below, follow the instruction after it.
1-Each player loses half their life total, rounded up.
4-Draw a card.
7-Exile all creatures you control, then return them to the battlefield tapped each with 7 +1/+1 counters on it.
10-Each player doubles their life total.