Chainer, Nightmare Adept
From Commander 2019 set
Chainer, Nightmare Adept
Legendary Creature — Human Minion
3/2
Discard a card: You may cast a creature spell from your graveyard this turn. Activate only once each turn.
Whenever a nontoken creature you control enters, if you didn't cast it from your hand, it gains haste until your next turn.