Chainer, Dementia Master (Borderless Alternate Art) [Dominaria Remastered] Foil

Nightmare creatures get +1/+1.
{B}{B}{B}, Pay 3 life: Put target creature card from a graveyard onto the battlefield under your control. That creature is black and is a Nightmare in addition to its other creature types.
When Chainer, Dementia Master leaves the battlefield, exile all Nightmares.