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 Screaming Swarm from your graveyard into your library second from the top.
![Screaming Swarm [Innistrad: Crimson Vow]](http://www.cardmerchanttakapuna.co.nz/cdn/shop/products/0f821c68-a1a3-5725-8256-b54cfbaa3080.jpg?v=1698558341&width=1445)