Maze Skullbomb is a common Artifact card from Phyrexia: All Will Be One (ONE), collector number 231. Current market price: $0.21 (foil $0.22), TCGplayer market prices via Scryfall.
{1}, Sacrifice this artifact: Draw a card. {2}{G}, Sacrifice this artifact: Target creature you control gets +3/+3 and gains trample until end of turn. Draw a card. Activate only as a sorcery.