Innistrad: Midnight Hunt

Mysterious Tome | Artifact | | {2}, {T}: Draw a card. Transform Mysterious Tome. | David Auden Nash

Heirloom Mirror | Artifact | | {1}, {T}, Pay 1 life, Discard a card: Draw a card, mill a card, then put a ritual counter on Heirloom Mirror. Then if it has three or more ritual counters on it, remove them and transform it. Activate only as a sorcery. | Josh Hass

Mystic Skull | Artifact | | {1}, {T}: Add one mana of any color. {5}, {T}: Transform Mystic Skull. | Joe Slucher

Moonsilver Key | Artifact | | {1}, {T}, Sacrifice Moonsilver Key: Search your library for an artifact card with a mana ability or a basic land card, reveal it, put it into your hand, then shuffle. | Joseph Meehan