Aaron Kelly's Bones

When Aaron Kelly's Bones enters the battlefield,
pick a nontoken creature card.
The target creature gains zombie as a subtype.
The target creature gains indestructible until
end of turn. At the beginning of your end step,
put +1/+1 counter on target creature.
—
"I'm not going back to the grave until I feel dead,"
he said. - Scary Stories 3: More Tales to Chill
Your Bones