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

Botanical Sanctum

Glint-Nest Crane

Minister of Inquiries

Verdurous Gearhulk

Walking Ballista

Gate to the Afterlife

Champion of Wits

God-Pharaoh's Gift

Ipnu Rivulet

Hostage Taker

2UB

Merfolk Branchwalker

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.)

Thrashing Brontodon

{1}, Sacrifice Thrashing Brontodon: Destroy target artifact or enchantment.

Island

({T}: Add {U}.)

Swamp

({T}: Add {B}.)

Forest

({T}: Add {G}.)