Ixalan

Tocatli Honor Guard | Creature | Human Soldier | Creatures entering the battlefield don't cause abilities to trigger. | Sara Winters

Daring Saboteur | Creature | Human Pirate | {2}{U}: Daring Saboteur can't be blocked this turn. Whenever Daring Saboteur deals combat damage to a player, you may draw a card. If you do, discard a card. | Victor Adame Minguez

Bloodcrazed Paladin | Creature | Vampire Knight | Flash Bloodcrazed Paladin enters the battlefield with a +1/+1 counter on it for each creature that died this turn. | Daarken

Fathom Fleet Captain | Creature | Human Pirate | Menace Whenever Fathom Fleet Captain attacks, if you control another nontoken Pirate, you may pay {2}. If you do, create a 2/2 black Pirate creature token with menace. | Matt Stewart

Deeproot Champion | Creature | Merfolk Shaman | Whenever you cast a noncreature spell, put a +1/+1 counter on Deeproot Champion. | Raymond Swanland