Ixalan

Commune with Dinosaurs | Sorcery | | Look at the top five cards of your library. You may reveal a Dinosaur or land card from among them and put it into your hand. Put the rest on the bottom of your library in any order. | Jonathan Kuo

Jungle Delver | Creature | Merfolk Warrior | {3}{G}: Put a +1/+1 counter on Jungle Delver. | Kieran Yanner

Kumena's Speaker | Creature | Merfolk Shaman | Kumena's Speaker gets +1/+1 as long as you control another Merfolk or an Island. | Johann Bodin

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

Shapers' Sanctuary | Enchantment | | Whenever a creature you control becomes the target of a spell or ability an opponent controls, you may draw a card. | Zezhou Chen