Homing Sliver is a common Creature — Sliver card from Future Sight (FUT), collector number 118. Current market price: $0.37 (foil $7.93), TCGplayer market prices via Scryfall.
Each Sliver card in each player's hand has slivercycling {3}. Slivercycling {3} ({3}, Discard this card: Search your library for a Sliver card, reveal it, put it into your hand, then shuffle.)