Chainer, Dementia Master [Dominaria Remastered]

Set: Dominaria Remastered Type: Legendary Creature — Human Minion Rarity: Rare Cost: {3}{B}{B} 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.