Ixalan

Deathgorge Scavenger | Creature | Dinosaur | Whenever Deathgorge Scavenger enters the battlefield or attacks, you may exile target card from a graveyard. If a creature card is exiled this way, you gain 2 life. If a noncreature card is exiled this way, Deathgorge Scavenger gets +1/+1 until end of turn. | Tyler Jacobson

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

Emperor's Vanguard | Creature | Human Scout | Whenever Emperor's Vanguard deals combat damage to a player, it explores. (Reveal the top card of your library. Put that card into your hand if it's a land. Otherwise, put a +1/+1 counter on this creature, then put the card back or put it into your graveyard.) | Victor Adame Minguez

Old-Growth Dryads | Creature | Dryad | When Old-Growth Dryads enters the battlefield, each opponent may search their library for a basic land card, put it onto the battlefield tapped, then shuffle. | Yongjae Choi

Ripjaw Raptor | Creature | Dinosaur | Enrage — Whenever Ripjaw Raptor is dealt damage, draw a card. | Ryan Pancoast

Verdant Sun's Avatar | Creature | Dinosaur Avatar | Whenever Verdant Sun's Avatar or another creature enters the battlefield under your control, you gain life equal to that creature's toughness. | Izzy

Waker of the Wilds | Creature | Merfolk Shaman | {X}{G}{G}: Put X +1/+1 counters on target land you control. That land becomes a 0/0 Elemental creature with haste. It's still a land. | Shreya Shetty

Regisaur Alpha | Creature | Dinosaur | Other Dinosaurs you control have haste. When Regisaur Alpha enters the battlefield, create a 3/3 green Dinosaur creature token with trample. | Jonathan Kuo