Jungle Delver

{3}{G}: Put a +1/+1 counter on Jungle Delver.

Shapers of Nature

{3}{G}: Put a +1/+1 counter on target creature.
{2}{U}, Remove a +1/+1 counter from a creature you control: Draw a card.

Merfolk Mistbinder

One With the Wind

Enchant creature
Enchanted creature gets +2/+2 and has flying.

Gift of Paradise

Enchant land
When Gift of Paradise enters, you gain 3 life.
Enchanted land has "{T}: Add two mana of any one color."

River Darter

River Darter can't be blocked by Dinosaurs.

Island

Crashing Tide

This spell has flash as long as you control a Merfolk.
Return target creature to its owner's hand.
Draw a card.

Herald of Secret Streams

Creatures you control with +1/+1 counters on them can't be blocked.

Chart a Course

Draw two cards. Then discard a card unless you attacked this turn.

Silvergill Adept

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

Forest

Seafloor Oracle

Whenever a Merfolk you control deals combat damage to a player, draw a card.

River Heralds' Boon

Put a +1/+1 counter on target creature and a +1/+1 counter on up to one target Merfolk.

Grasping Current

Return up to two target creatures to their owner's hand.
Search your library and/or graveyard for a card named Jace, Ingenious Mind-Mage, reveal it, and put it into your hand. If you searched your library this way, shuffle.

Deeproot Warrior

Whenever Deeproot Warrior becomes blocked, it gets +1/+1 until end of turn.

Aggressive Urge

Target creature gets +1/+1 until end of turn.
Draw a card.

Fleet Swallower

Whenever Fleet Swallower attacks, target player mills half their library, rounded up.

Shaper Apprentice

Shaper Apprentice has flying as long as you control another Merfolk.

Woodland Stream

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

Mist-Cloaked Herald

Tempest Caller

When Tempest Caller enters, tap all creatures target opponent controls.

Rhonas's Monument

Green creature spells you cast cost {1} less to cast.
Whenever you cast a creature spell, target creature you control gets +2/+2 and gains trample until end of turn.

Vineshaper Mystic

When Vineshaper Mystic enters, put a +1/+1 counter on each of up to two target Merfolk you control.

Unsummon

Return target creature to its owner's hand.

Supreme Will

Choose one —
• Counter target spell unless its controller pays {3}.
• Look at the top four cards of your library. Put one of them into your hand and the rest on the bottom of your library in any order.

Wind Strider

Flash (You may cast this spell any time you could cast an instant.)
Flying

Headwater Sentries

Jace's Sentinel

As long as you control a Jace planeswalker, Jace's Sentinel gets +1/+0 and can't be blocked.

Kumena's Speaker

Kumena's Speaker gets +1/+1 as long as you control another Merfolk or an Island.

Crushing Canopy

Choose one —
• Destroy target creature with flying.
• Destroy target enchantment.

Jace, Ingenious Mind-Mage

+1: Draw a card.
+1: Untap all creatures you control.
−9: Gain control of up to three target creatures.