Gate to the Afterlife is a uncommon Artifact card from Aetherdrift Commander (DRC), collector number 130. Current market price: $0.32, TCGplayer market prices via Scryfall.
Whenever a nontoken creature you control dies, you gain 1 life. Then you may draw a card. If you do, discard a card. {2}, {T}, Sacrifice this artifact: Search your graveyard, hand, and/or library for a card named God-Pharaoh's Gift and put it onto the battlefield. If you search your library this way, shuffle. Activate only if there are six or more creature cards in your graveyard.