Alita, Angel of eternal rest

Cards cannot leave the graveyard, players cannot
cast spells from any graveyard.
When a creature leaves the battlefield put a rest
counter on Alita, Angel of eternal rest.
{t}{2}{w}{u} : Draw a card for each rest counter on
Alita, Angel of eternal rest. If at least 7 cards
were drawn this way, you gain life equal to the
number of cards in your hand.
She was simply making sure that every soul reached
the afterlife