Overprotective Butler

When this card enter to the battlefield target a creature under your control. This creature gain Indestructible and can't attack or block while this
card is on the battlefield.
When this creature go to the cemetery, Investigate.
...He said that this restriction was imposed on me
because my noble birth placed me above that plebeian company. Now I know that its was to keep me away
from the idle tales of thedread curse upon our bloodline.
The Alchemist—H. P. Lovecraft