Snuff Out

If you control a Swamp, you may pay 4 life rather than pay this spell's mana cost.
Destroy target nonblack creature. It can't be regenerated.

Reflecting Pool

{T}: Add one mana of any type that a land you control could produce.

Shrieking Drake

Flying
When Shrieking Drake enters, return a creature you control to its owner's hand.

Fact or Fiction

Reveal the top five cards of your library. An opponent separates those cards into two piles. Put one pile into your hand and the other into your graveyard.

Man-o'-War

When Man-o'-War enters, return target creature to its owner's hand.

Mind Rot

Nekrataal

First strike
When Nekrataal enters, destroy target nonartifact, nonblack creature. That creature can't be regenerated.

Hydroblast

Choose one —
• Counter target spell if it's red.
• Destroy target permanent if it's red.

Faerie Conclave

Faerie Conclave enters tapped.
{T}: Add {U}.
{1}{U}: Faerie Conclave becomes a 2/1 blue Faerie creature with flying until end of turn. It's still a land.

Ravenous Rats

When Ravenous Rats enters, target opponent discards a card.

Vendetta

Destroy target nonblack creature. It can't be regenerated. You lose life equal to that creature's toughness.

Bone Shredder

Flying
Echo {2}{B} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)
When Bone Shredder enters, destroy target nonartifact, nonblack creature.

Impulse

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.

Phyrexian Rager

When Phyrexian Rager enters, you draw a card and you lose 1 life.

Island

Underground Sea

Cavern Harpy

Flying
When Cavern Harpy enters, return a blue or black creature you control to its owner's hand.
Pay 1 life: Return Cavern Harpy to its owner's hand.

Duress

Target opponent reveals their hand. You choose a noncreature, nonland card from it. That player discards that card.

Marsh Crocodile

When Marsh Crocodile enters, return a blue or black creature you control to its owner's hand.
When Marsh Crocodile enters, each player discards a card.

Highway Robber

When Highway Robber enters, target opponent loses 2 life and you gain 2 life.

Recoil

Return target permanent to its owner's hand. Then that player discards a card.

Swamp

Salt Marsh

Salt Marsh enters tapped.
{T}: Add {U} or {B}.

Polluted Mire

Polluted Mire enters tapped.
{T}: Add {B}.
Cycling {2} ({2}, Discard this card: Draw a card.)

Gravedigger

When Gravedigger enters, you may return target creature card from your graveyard to your hand.