Jeralt, Death's Call

+2: Choose target creature, then roll a d20. If it is an odd number, destroy targeted creature. If it is even, owner of that creature gains 2 life.
+2: Roll a d20. Even numbers: target opponent sacrifices a creature. Odd numbers: sacrifice one of your own creatures. You gain 4 life.
-10: All opposing players go down to 1 life.