The Lost Caverns of Ixalan

Attentive Sunscribe | Artifact Creature | Gnome | Whenever Attentive Sunscribe becomes tapped, scry 1. (Look at the top card of your library. You may put that card on the bottom.) | Devin Platts

Cosmium Blast | Instant | | Cosmium Blast deals 4 damage to target attacking or blocking creature. | Caroline Gariba

Family Reunion | Instant | | Choose one — • Creatures you control get +1/+1 until end of turn. • Creatures you control gain hexproof until end of turn. (They can't be the targets of spells or abilities your opponents control.) | Aurore Folny

Ironpaw Aspirant | Creature | Cat Warrior | When Ironpaw Aspirant enters the battlefield, put a +1/+1 counter on target creature. | Dan Scott

Petrify | Enchantment | Aura | Enchant artifact or creature Enchanted permanent can't attack or block, and its activated abilities can't be activated. | Samuel Araya

Thousand Moons Crackshot | Creature | Human Soldier | Whenever Thousand Moons Crackshot attacks, you may pay {2}{W}. When you do, tap target creature. | Marie Magny