Secret Lair Drop

Creature — Fish

Whenever this creature attacks, target player mills half their library, rounded up.

Fleet Swallower

Creature — Goblin Warrior

Other Goblins you control get +1/+1.
Sacrifice a Goblin: Destroy target artifact.

Goblin Trashmaster

Legendary Creature — Boar God

Trample
Whenever Ilharg attacks, you may put a creature card from your hand onto the battlefield tapped and attacking. Return that creature to your hand at the beginning of the next end step.
When Ilharg dies or is put into exile from the battlefield, you may put it into its owner's library third from the top.

Ilharg, the Raze-Boar

Creature — Beast

When this creature dies, search your library for any number of creature cards with total mana value 6 or less, put them onto the battlefield, then shuffle.

Protean Hulk

Legendary Creature — Dinosaur Avatar

Vigilance, trample, haste
Whenever Gishath deals combat damage to a player, reveal that many cards from the top of your library. Put any number of Dinosaur creature cards from among them onto the battlefield and the rest on the bottom of your library in a random order.