Ixalan

Drover of the Mighty | Creature | Human Druid | Drover of the Mighty gets +2/+2 as long as you control a Dinosaur. {T}: Add one mana of any color. | Eric Deschamps

Merfolk Branchwalker | Creature | Merfolk Scout | When Merfolk Branchwalker enters the battlefield, 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.) | Kieran Yanner

Verdant Rebirth | Instant | | Until end of turn, target creature gains "When this creature dies, return it to its owner's hand." Draw a card. | Josu Hernaiz

Wildgrowth Walker | Creature | Elemental | Whenever a creature you control explores, put a +1/+1 counter on Wildgrowth Walker and you gain 3 life. | Ryan Alexander Lee