Borborygmos and Fblthp is a mythic Legendary Creature — Cyclops Homunculus card from March of the Machine (MOM), collector number 219. Current market price: $0.40 (foil $0.50), TCGplayer market prices via Scryfall.
Whenever Borborygmos and Fblthp enters or attacks, draw a card, then you may discard any number of land cards. When you discard one or more cards this way, Borborygmos and Fblthp deals twice that much damage to target creature. {1}{U}: Put Borborygmos and Fblthp into its owner's library third from the top.