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.

Woodland Cemetery

Woodland Cemetery enters the battlefield tapped unless you control a Swamp or a Forest. {T}: Add {B} or {G} to your mana pool.

Disdainful Stroke

Counter target spell with converted mana cost 4 or greater.

Llanowar Elves

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

Overgrown Tomb

Watery Grave

Vraska's Contempt

2BB

Carnage Tyrant

4GG

Crushing Canopy

2G

Drowned Catacomb

Hostage Taker

2UB

Merfolk Branchwalker

1G

Wildgrowth Walker

1G

Golden Demise

Ascend (If you control ten or more permanents, you get the city's blessing for the rest of the game.) All creatures get -2/-2 until end of turn. If you have the city's blessing, instead only creatures your opponents control get -2/-2 until end of turn.

Moment of Craving

Target creature gets -2/-2 until end of turn. You gain 2 life.

Ravenous Chupacabra

When Ravenous Chupacabra enters the battlefield, destroy target creature an opponent controls.

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.)

Incubation Druid

{T}: Add one mana of any type that a land you control could produce. If Incubation Druid has a +1/+1 counter on it, add three mana of that type instead. {3}{G}{G}: Adapt 3. (If this creature has no +1/+1 counters on it, put three +1/+1 counters on it.)

Frilled Mystic

Flash When Frilled Mystic enters the battlefield, you may counter target spell.

Hydroid Krasis

When you cast this spell, you gain half X life and draw half X cards. Round down each time. Flying, trample Hydroid Krasis enters the battlefield with X +1/+1 counters on it.

Breeding Pool

({T}: Add {G} or {U}.) As Breeding Pool enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

Negate

Counter target noncreature spell.

Island

({T}: Add {U}.)

Swamp

({T}: Add {B}.)

Forest

({T}: Add {G}.)