Core Set 2019

Ajani's Last Stand | Enchantment | | Whenever a creature or planeswalker you control dies, you may sacrifice Ajani's Last Stand. If you do, create a 4/4 white Avatar creature token with flying. When a spell or ability an opponent controls causes you to discard this card, if you control a Plains, create a 4/4 white Avatar creature token with flying. | Slawomir Maniak

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

One with the Machine | Sorcery | | Draw cards equal to the highest mana value among artifacts you control. | Chase Stone

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

Liliana's Spoils | Sorcery | | Target opponent discards a card. Look at the top five cards of your library. You may reveal a black card from among them and put it into your hand. Put the rest on the bottom of your library in a random order. | Tyler Jacobson

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

Sarkhan's Unsealing | Enchantment | | Whenever you cast a creature spell with power 4, 5, or 6, Sarkhan's Unsealing deals 4 damage to any target. Whenever you cast a creature spell with power 7 or greater, Sarkhan's Unsealing deals 4 damage to each opponent and each creature and planeswalker they control. | Daarken

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

Tezzeret's Gatebreaker | Artifact | | When Tezzeret's Gatebreaker enters the battlefield, look at the top five cards of your library. You may reveal a blue or artifact card from among them and put it into your hand. Put the rest on the bottom of your library in a random order. {5}{U}, {T}, Sacrifice Tezzeret's Gatebreaker: Creatures you control can't be blocked this turn. | Mathias Kollros