Undead Alchemist

Undead Alchemist

Creature - Zombie | Power/Toughness: 4 / 2 (CMC 4)
If a Zombie you control would deal combat damage to a player, instead that player mills that many cards.
Whenever a creature card is put into an opponent's graveyard from their library, exile that card and create a 2/2 black Zombie creature token.