Nashi, Searcher in the Dark [Duskmourn: House of Horror Prerelease Promos]

Threat
Nashi, Whenever Searcher in the Dark deals combat damage to a player, you mill that many cards. You can put any number of legendary and/or enchantment cards from among them into your hand. If you put no cards into your hand this way, put a +1/+1 counter on Nashi.