Chainer, Nightmare Adept [Commander 2019]

Set: Commander 2019 Type: Legendary Creature — Human Minion Rarity: Mythic Cost: {2}{B}{R} Discard a card: You may cast a creature card from your graveyard this turn. Activate this ability only once each turn. Whenever a nontoken creature enters the battlefield under your control, if you didn't cast it from your hand, it gains haste until your next turn.