Bringer of the Last Gift

Flying
When this creature enters, if you cast it, each player sacrifices all other creatures they control. Then each player returns all creature cards from their graveyard that weren't put there this way to the battlefield.

The Lost Caverns of Ixalan Promos

The Lost Caverns of Ixalan

Flying
When Bringer of the Last Gift enters the battlefield, if you cast it, each player sacrifices all other creatures they control. Then each player returns all creature cards from their graveyard that weren't put there this way to the battlefield.

Bringer of the Last Gift's last ability triggers if you cast it from any zone. It doesn't trigger if you put Bringer of the Last Gift onto the battlefield without casting it.