The Lost Caverns of Ixalan

Breeches, Eager Pillager | Legendary Creature | Goblin Pirate | First strike Whenever a Pirate you control attacks, choose one that hasn't been chosen this turn — • Create a Treasure token. • Target creature can't block this turn. • Exile the top card of your library. You may play it this turn. | Josu Hernaiz

Inti, Seneschal of the Sun | Legendary Creature | Human Knight | Whenever you attack, you may discard a card. When you do, put a +1/+1 counter on target attacking creature. It gains trample until end of turn. Whenever you discard one or more cards, exile the top card of your library. You may play that card until your next end step. | Victor Adame Minguez

Trumpeting Carnosaur | Creature | Dinosaur | Trample When Trumpeting Carnosaur enters the battlefield, discover 5. {2}{R}, Discard Trumpeting Carnosaur: It deals 3 damage to target creature or planeswalker. | Lars Grant-West

Anim Pakal, Thousandth Moon | Legendary Creature | Human Soldier | Whenever you attack with one or more non-Gnome creatures, put a +1/+1 counter on Anim Pakal, then create X 1/1 colorless Gnome artifact creature tokens that are tapped and attacking, where X is the number of +1/+1 counters on Anim Pakal. | Chris Rahn

Palani's Hatcher | Creature | Dinosaur | Other Dinosaurs you control have haste. When Palani's Hatcher enters the battlefield, create two 0/1 green Dinosaur Egg creature tokens. At the beginning of combat on your turn, if you control one or more Eggs, sacrifice an Egg, then create a 3/3 green Dinosaur creature token. | Aaron Miller