
Flying
Whenever you attack with one or more creatures, target player mills that many cards. (To mill a card, a player puts the top card of their library into their graveyard.)
{2}{U}: Put this card from your graveyard into your library second from the top.
Screaming Swarm has 3 printings, first in Innistrad: Crimson Vow (2021). EDHREC ranks it #17,912 among Commander cards. It appears most in Neerdiv, Devious Diver decks (227 on EDHREC). It has 1 official ruling.
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.