Baron of Misfortunes

Every time you sacrifice a creature, you
may tap Baron of Misfortunes to roll a
d20.
1-9: Target player loses 1 life and discards
a card.
10-17: Target player loses 2 life and discards
2 cards.
18-20: Target player loses X life and discards
X cards, where X is the sacrificed creature’s
toughness.
{b}, pay 1 life: Sacrifice a creature.