Aerial Extortionist is a rare Creature — Bird Soldier card from Murders at Karlov Manor Commander (MKC), collector number 54. Current market price: $4.85, TCGplayer market prices via Scryfall.
Flying Whenever this creature enters or deals combat damage to a player, exile up to one target nonland permanent. For as long as that card remains exiled, its owner may cast it. Whenever another player casts a spell from anywhere other than their hand, draw a card.