Core Set 2019

Leonin Warleader | Creature | Cat Soldier | Whenever Leonin Warleader attacks, create two 1/1 white Cat creature tokens with lifelink that are tapped and attacking. | Jakub Kasper

Valiant Knight | Creature | Human Knight | Other Knights you control get +1/+1. {3}{W}{W}: Knights you control gain double strike until end of turn. | Jakub Kasper

Demon of Catastrophes | Creature | Demon | As an additional cost to cast this spell, sacrifice a creature. Flying, trample | Sidharth Chaturvedi

Goblin Trashmaster | Creature | Goblin Warrior | Other Goblins you control get +1/+1. Sacrifice a Goblin: Destroy target artifact. | Jakub Kasper

Goreclaw, Terror of Qal Sisma | Legendary Creature | Bear | Creature spells you cast with power 4 or greater cost {2} less to cast. Whenever Goreclaw, Terror of Qal Sisma attacks, each creature you control with power 4 or greater gets +1/+1 and gains trample until end of turn. | Svetlin Velinov