Throne of Eldraine

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

Vantress Gargoyle | Artifact Creature | Gargoyle | Flying Vantress Gargoyle can't attack unless defending player has seven or more cards in their graveyard. Vantress Gargoyle can't block unless you have four or more cards in hand. {T}: Each player mills a card. | Cristi Balanescu

Arcanist's Owl | Artifact Creature | Bird | Flying When Arcanist's Owl enters the battlefield, look at the top four cards of your library. You may reveal an artifact or enchantment card from among them and put it into your hand. Put the rest on the bottom of your library in a random order. | Véronique Meignaud