Benthic Infiltrator is a common Creature — Eldrazi Drone card from The List (PLST), collector number BFZ-55. Current market price: $0.27, TCGplayer market prices via Scryfall.
Devoid (This card has no color.) Ingest (Whenever this creature deals combat damage to a player, that player exiles the top card of their library.) This creature can't be blocked.