Botanical Sanctum

Aethersphere Harvester

Metallic Mimic

Nissa, Steward of Elements

Deeproot Waters

2U

Kumena's Speaker

G

Merfolk Branchwalker

1G

Shapers' Sanctuary

G

Tempest Caller

2UU

Unclaimed Territory

Silvergill Adept

As an additional cost to cast this spell, reveal a Merfolk card from your hand or pay {3}. When Silvergill Adept enters the battlefield, draw a card.

Deeproot Elite

Whenever another Merfolk enters the battlefield under your control, put a +1/+1 counter on target Merfolk you control.

Jungleborn Pioneer

When Jungleborn Pioneer enters the battlefield, create a 1/1 blue Merfolk creature token with hexproof. (It can't be the target of spells or abilities your opponents control.)

Naturalize

Destroy target artifact or enchantment.

Kumena, Tyrant of Orazca

Tap another untapped Merfolk you control: Kumena, Tyrant of Orazca can't be blocked this turn. Tap three untapped Merfolk you control: Draw a card. Tap five untapped Merfolk you control: Put a +1/+1 counter on each Merfolk you control.

Merfolk Mistbinder

Other Merfolk you control get +1/+1.

Woodland Stream

Woodland Stream enters the battlefield tapped. {T}: Add {G} or {U}.

Negate

Counter target noncreature spell.

Unsummon

Return target creature to its owner's hand.

Essence Scatter

Counter target creature spell.

Island

({T}: Add {U}.)

Forest

({T}: Add {G}.)