Hinterland Harbor

Hinterland Harbor enters the battlefield tapped unless you control a Forest or an Island. {T}: Add {G} or {U} to your mana pool.

Llanowar Elves

Tap to add green mana to your mana pool. This tap can be played as an interrupt.

Aether Hub

Blooming Marsh

Blossoming Defense

Botanical Sanctum

Confiscation Coup

Servant of the Conduit

Aethersphere Harvester

Fetid Pools

The Scarab God

Hostage Taker

2UB

Merfolk Branchwalker

1G

Wildgrowth Walker

1G

Jadelight Ranger

When Jadelight Ranger enters the battlefield, it explores, then it explores again. (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. Then repeat this process.)

Adventurous Impulse

Look at the top three cards of your library. You may reveal a creature or land card from among them and put it into your hand. Put the rest on the bottom of your library in any order.

Island

({T}: Add {U}.)

Swamp

({T}: Add {B}.)

Forest

({T}: Add {G}.)