Retribution

Choose two target creatures an opponent controls. That player chooses and sacrifices one of those creatures. Put a -1/-1 counter on the other.

Aether Storm

Creature spells can’t be cast.
Pay 4 life: Destroy Aether Storm. It can’t be regenerated. Any player may activate this ability.

Balduvian Conjurer

: Target snow land becomes a 2/2 creature until end of turn. It’s still a land.

Death Spark

Death Spark deals 1 damage to any target.
At the beginning of your upkeep, if Death Spark is in your graveyard with a creature card directly above it, you may pay . If you do, return Death Spark to your hand.

Orcish Captain

: Flip a coin. If you win the flip, target Orc creature gets +2/+0 until end of turn. If you lose the flip, it gets -0/-2 until end of turn.

Necropotence

Skip your draw step.
Whenever you discard a card, exile that card from your graveyard.
Pay 1 life: Exile the top card of your library face down. Put that card into your hand at the beginning of your next end step.

Thought Lash

Cumulative upkeep—Exile the top card of your library. (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)
When a player doesn’t pay Thought Lash’s cumulative upkeep, that player exiles all cards from their library.
Exile the top card of your library: Prevent the next 1 damage that would be dealt to you this turn.

Wistful Selkie

When Wistful Selkie enters the battlefield, draw a card.

Gloomwidow

Reach
Gloomwidow can block only creatures with flying.

Isleback Spawn

Shroud (This creature can’t be the target of spells or abilities.)
Isleback Spawn gets +4/+8 as long as a library has twenty or fewer cards in it.

Tyrannize

Target player discards their hand unless they pay 7 life.

Supreme Exemplar

Flying
Champion an Elemental (When this enters the battlefield, sacrifice it unless you exile another Elemental you control. When this leaves the battlefield, that card returns to the battlefield.)

Primal Beyond

As Primal Beyond enters the battlefield, you may reveal an Elemental card from your hand. If you don’t, Primal Beyond enters the battlefield tapped.
: Add .
: Add one mana of any color. Spend this mana only to cast an Elemental spell or activate an ability of an Elemental.

Ponder

Look at the top three cards of your library, then put them back in any order. You may shuffle your library.
Draw a card.

Shelldock Isle

Hideaway (This land enters the battlefield tapped. When it does, look at the top four cards of your library, exile one face down, then put the rest on the bottom of your library.)
: Add .
, : You may play the exiled card without paying its mana cost if a library has twenty or fewer cards in it.

Tideshaper Mystic

: Target land becomes the basic land type of your choice until end of turn. Activate this ability only during your turn.

Fertile Ground

Enchant land
Whenever enchanted land is tapped for mana, its controller adds an additional one mana of any color.

Brothers of Fire

: Brothers of Fire deals 1 damage to any target and 1 damage to you.

Phyrexian Boon

Enchant creature
Enchanted creature gets +2/+1 as long as it’s black. Otherwise, it gets -1/-2.

Ashnod’s Transmogrant

, Sacrifice Ashnod’s Transmogrant: Put a +1/+1 counter on target nonartifact creature. That creature becomes an artifact in addition to its other types.

Juzám Djinn

At the beginning of your upkeep, Juzám Djinn deals 1 damage to you.

Mindstab Thrull

Whenever Mindstab Thrull attacks and isn’t blocked, you may sacrifice it. If you do, defending player discards three cards.

Thorn Thallid

At the beginning of your upkeep, put a spore counter on Thorn Thallid.
Remove three spore counters from Thorn Thallid: It deals 1 damage to any target.

Nevinyrral’s Disk

Nevinyrral’s Disk enters the battlefield tapped.
, : Destroy all artifacts, creatures, and enchantments.

Polar Kraken

Trample
Polar Kraken enters the battlefield tapped.
Cumulative upkeep—Sacrifice a land. (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)