OMORI

OMORI cannot leave the battlefield.
When OMORI enters, each other player creates a
copy of it.
Whenever a permanent you control is put into a
graveyard from the battlefield, each other player
exiles a permanent of the same permanent type
they control.
Whenever you mill cards, lose life, or discard cards,
if it wasn't due to a permanent named OMORI's
ability, each other player does the same, in the same quantity.