Tranquil Cove

This land enters tapped.
When this land enters, you gain 1 life.
{T}: Add {W} or {U}.

Negate

Pacifism

Enchant creature
Enchanted creature can't attack or block.

Gallows Warden

Flying
Other Spirit creatures you control get +0/+1.

Niblis of the Urn

Flying
Whenever Niblis of the Urn attacks, you may tap target creature.

Island

Claustrophobia

Enchant creature
When Claustrophobia enters, tap enchanted creature.
Enchanted creature doesn't untap during its controller's untap step.

Kill Shot

Soulsworn Spirit

Soulsworn Spirit can't be blocked.
When Soulsworn Spirit enters, detain target creature an opponent controls. (Until your next turn, that creature can't attack or block and its activated abilities can't be activated.)

Mind Control

Enchant creature
You control enchanted creature.

Cancel

Battleground Geist

Flying
Other Spirit creatures you control get +1/+0.

Azorius Guildgate

This land enters tapped.
{T}: Add {W} or {U}.

Drogskol Captain

Flying
Other Spirit creatures you control get +1/+1 and have hexproof. (They can't be the targets of spells or abilities your opponents control.)

Oblivion Ring

When Oblivion Ring enters, exile another target nonland permanent.
When Oblivion Ring leaves the battlefield, return the exiled card to the battlefield under its owner's control.

Cranial Archive

{2}, Exile Cranial Archive: Target player shuffles their graveyard into their library. Draw a card.

Arrest

Enchant creature
Enchanted creature can't attack or block, and its activated abilities can't be activated.

Essence Scatter

Plains

Stormbound Geist

Flying
Stormbound Geist can block only creatures with flying.
Undying (When this creature dies, if it had no +1/+1 counters on it, return it to the battlefield under its owner's control with a +1/+1 counter on it.)