Migratory Route is a uncommon Sorcery card from The List (PLST), collector number CM2-161. Current market price: $0.34, TCGplayer market prices via Scryfall.
Create four 1/1 white Bird creature tokens with flying. Basic landcycling {2} ({2}, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.)