King Lui, of No Evil

Whenever an opponent discards a card you gain three life.

Whenever a creature an opponent controls dies, you may draw a card.

Whenever a spell or ability an opponent controls would cause one or more cards to leave a graveyard, you may pay 3 life. If you do, counter that spell or ability.
{w/b}{w/b}: Each player discards a card or sacrifices a creature.