Throne of Eldraine

Corridor Monitor | Artifact Creature | Construct | When Corridor Monitor enters the battlefield, untap target artifact or creature you control. | Jason Felix

Mantle of Tides | Artifact | Equipment | Equipped creature gets +1/+2. Whenever you draw your second card each turn, attach Mantle of Tides to target creature you control. Equip {3} ({3}: Attach to target creature you control. Equip only as a sorcery.) | Lie Setiawan

Witching Well | Artifact | | When Witching Well enters the battlefield, scry 2. (Look at the top two cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.) {3}{U}, Sacrifice Witching Well: Draw two cards. | John Avon