Everythingamajig is a rare Artifact card from Unstable (UST), collector number 147e. Current market price: $1.26 (foil $11.50), TCGplayer market prices via Scryfall.
Sacrifice a land: You gain 2 life. Sacrifice a creature: Add {C}{C}. {2}, Discard a card: Search your library for a card that shares a complete word in its name with the name of the discarded card, reveal it, put it into your hand, then shuffle.