The Lost Caverns of Ixalan

Bat Colony | Enchantment | | When Bat Colony enters the battlefield, create a 1/1 black Bat creature token with flying for each mana from a Cave spent to cast it. Whenever a Cave enters the battlefield under your control, put a +1/+1 counter on target creature you control. | Cristi Balanescu

Kinjalli's Dawnrunner | Creature | Human Scout | Double strike When Kinjalli's Dawnrunner enters the battlefield, it explores. (Reveal the top card of your library. Put that card into your hand if it's a land. Otherwise, put a +1/+1 counter on this creature, then put the card back or put it into your graveyard.) | Arash Radkia

Might of the Ancestors | Enchantment | | At the beginning of combat on your turn, target creature you control gets +2/+0 and gains vigilance until end of turn. | Aldo Domínguez

Mischievous Pup | Creature | Dog | Flash When Mischievous Pup enters the battlefield, return up to one other target permanent you control to its owner's hand. | Devin Platts

Kutzil, Malamet Exemplar | Legendary Creature | Cat Warrior | Your opponents can't cast spells during your turn. Whenever one or more creatures you control each with power greater than its base power deals combat damage to a player, draw a card. | Marie Magny