Throne of Eldraine

Embereth Paladin | Creature | Human Knight | Haste Adamant — If at least three red mana was spent to cast this spell, Embereth Paladin enters the battlefield with a +1/+1 counter on it. | Randy Vargas

Mad Ratter | Creature | Goblin | Whenever you draw your second card each turn, create two 1/1 black Rat creature tokens. | Johann Bodin

Ogre Errant | Creature | Ogre Knight | Whenever Ogre Errant attacks, another target attacking Knight gains menace until end of turn. (It can't be blocked except by two or more creatures.) | Mitchell Malloy

Opportunistic Dragon | Creature | Dragon | Flying When Opportunistic Dragon enters the battlefield, choose target Human or artifact an opponent controls. For as long as Opportunistic Dragon remains on the battlefield, gain control of that permanent, it loses all abilities, and it can't attack or block. | Chris Rahn

Skullknocker Ogre | Creature | Ogre | Whenever Skullknocker Ogre deals damage to an opponent, that player discards a card at random. If the player does, they draw a card. | Svetlin Velinov

Torbran, Thane of Red Fell | Legendary Creature | Dwarf Noble | If a red source you control would deal damage to an opponent or a permanent an opponent controls, it deals that much damage plus 2 instead. | Grzegorz Rutkowski

Fireborn Knight | Creature | Human Knight | Double strike {R/W}{R/W}{R/W}{R/W}: Fireborn Knight gets +1/+1 until end of turn. | Ben Maier

Loch Dragon | Creature | Dragon | Flying Whenever Loch Dragon enters the battlefield or attacks, you may discard a card. If you do, draw a card. | Mike Bierek

Elite Headhunter | Creature | Human Knight | Menace (This creature can't be blocked except by two or more creatures.) {B/R}{B/R}{B/R}, Sacrifice another creature or an artifact: Elite Headhunter deals 2 damage to target creature or planeswalker. | Daarken

Rampart Smasher | Creature | Giant | Rampart Smasher can't be blocked by Knights or Walls. | Emrah Elmasli