Schrödinger’s Paradox

Schrödinger’s Paradox can’t attack, block,
or be sacrificed.
Schrödinger’s Paradox isn’t put into a graveyard for having 0 or less toughness.
If damage would be dealt to Schrödinger’s Paradox, destroy it.
When Schrödinger’s Paradox dies or is put
into exile, return it to the battlefield under its owner's control.