Alistor, Broker of Deals

When Alistor, Broker of Deals enters the
battlefield, for each opponent, that player
chooses one —
• That player and one of your opponents
of that player's choice each sacrifices a creature.
• You and that player each draw two cards.
Then that player discards a card.
• Alistor deals 3 damage to any target of that
player's choice. Alistor then deals 5 damage
to any target.