Dominaria United

Aron, Benalia's Ruin | Legendary Creature | Phyrexian Human | Menace (This creature can't be blocked except by two or more creatures.) {W}{B}, {T}, Sacrifice another creature: Put a +1/+1 counter on each creature you control. | Mark Winters

Lagomos, Hand of Hatred | Legendary Creature | Human Shaman | At the beginning of combat on your turn, create a 2/1 red Elemental creature token with trample and haste. Sacrifice it at the beginning of the next end step. {T}: Search your library for a card, put it into your hand, then shuffle. Activate only if five or more creatures died this turn. | Tuan Duong Chu

Rivaz of the Claw | Legendary Creature | Viashino Warlock | Menace {T}: Add two mana in any combination of colors. Spend this mana only to cast Dragon creature spells. Once during each of your turns, you may cast a Dragon creature spell from your graveyard. Whenever you cast a Dragon creature spell from your graveyard, it gains "When this creature dies, exile it." | Joshua Raphael

Uurg, Spawn of Turg | Legendary Creature | Frog Beast | Uurg, Spawn of Turg's power is equal to the number of land cards in your graveyard. At the beginning of your upkeep, look at the top card of your library. You may put that card into your graveyard. {B}{G}, Sacrifice a land: You gain 2 life. | Nicholas Gregory

Zur, Eternal Schemer | Legendary Creature | Human Wizard | Flying Enchantment creatures you control have deathtouch, lifelink, and hexproof. {1}{W}: Target non-Aura enchantment you control becomes a creature in addition to its other types and has base power and base toughness each equal to its mana value. | Jesper Ejsing