Battle Screech is a uncommon Sorcery card from March of the Machine Commander (MOC), collector number 174. Current market price: $0.23, 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.)