
Each player mills X cards. For each creature card put into a graveyard this way, you create a tapped 2/2 black Zombie creature token. (To mill a card, a player puts the top card of their library into their graveyard.)
Dread Summons has 7 printings, first in Commander 2015 (2015). EDHREC ranks it #3,726 among Commander cards. It appears most in Temmet, Naktamun's Will decks (5,615 on EDHREC). 5 public decks on TCG run it. It has 1 official ruling.
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.