The Lost Caverns of Ixalan

Malamet War Scribe | Creature | Cat Warrior | When Malamet War Scribe enters the battlefield, creatures you control get +2/+1 until end of turn. | Nicholas Gregory

Oltec Archaeologists | Creature | Human Artificer Scout | When Oltec Archaeologists enters the battlefield, choose one — • Return target artifact card from your graveyard to your hand. • Scry 3. (Look at the top three cards of your library, then put any number of them on the bottom and the rest on top in any order.) | Winona Nelson

Unstable Glyphbridge // Sandswirl Wanderglyph | Artifact // Artifact Creature | // Golem | When Unstable Glyphbridge enters, if you cast it, for each player, choose a creature with power 2 or less that player controls. Then destroy all creatures except creatures chosen this way. Craft with artifact {3}{W}{W} ({3}{W}{W}, Exile this artifact, Exile another artifact you control or an artifact card from your graveyard: Return this card transformed under its owner's control. Craft only as a sorcery.) // Flying Whenever an opponent casts a spell during their turn, they can't attack you or planeswalkers you control this turn. Each opponent who attacked you or a planeswalker you control this turn can't cast spells. | Bastien Grivet

Master's Guide-Mural | Artifact | | When Master's Guide-Mural enters the battlefield, create a 4/4 white and blue Golem artifact creature token. Craft with artifact {4}{W}{W}{U} ({4}{W}{W}{U}, Exile this artifact, Exile another artifact you control or an artifact card from your graveyard: Return this card transformed under its owner's control. Craft only as a sorcery.) | Racrufi

Quintorius Kand | Legendary Planeswalker | Quintorius | Whenever you cast a spell from exile, Quintorius Kand deals 2 damage to each opponent and you gain 2 life. +1: Create a 3/2 red and white Spirit creature token. −3: Discover 4. −6: Exile any number of target cards from your graveyard. Add {R} for each card exiled this way. You may play those cards this turn. | Zoltan Boros