Meathook Massacre II (Showcase)

When Meathook Massacre II enters, each player sacrifices X creatures of their choice.Whenever a creature you control dies, you may pay 3 life. If you do, return that card under your control with a finality counter on it.Whenever a creature an opponent controls dies, they may pay 3 life. If they don't, return that card under your control with a finality counter on it.