Saheeli, Sublime Artificer is a rare Legendary Planeswalker — Saheeli card from Secret Lair Drop (SLD), collector number 1143. Current market price: $6.12 (foil $6.57), TCGplayer market prices via Scryfall.
Whenever you cast a noncreature spell, create a 1/1 colorless Servo artifact creature token. −2: Target artifact you control becomes a copy of another target artifact or creature you control until end of turn, except it's an artifact in addition to its other types.