Battle Screech is a uncommon Sorcery card from Phyrexia: All Will Be One Commander (ONC), collector number 59. Current market price: $0.35, TCGplayer market prices via Scryfall.
Create two 1/1 white Bird creature tokens with flying. Flashback—Tap three untapped white creatures you control. (You may cast this card from your graveyard for its flashback cost. Then exile it.)