The List

Ward Sliver

Ward Sliver {4}{W}

Creature - Sliver
As Ward Sliver enters, choose a color.
All Slivers have protection from the chosen color.
The first wave of slivers perished from the Riptide wizards' magic. The second wave shrugged off their spells like water.
2/2
Dreamborn Muse

Dreamborn Muse {2}{U}{U}

Creature - Spirit
At the beginning of each player's upkeep, that player mills X cards, where X is the number of cards in their hand.
"Her voice is insight, piercing and true."
—Ixidor, reality sculptor
2/2
Echo Tracer

Echo Tracer {2}{U}

Creature - Human Wizard
Morph {2}{U}
When Echo Tracer is turned face up, return target creature to its owner's hand.
2/2
Keeper of the Nine Gales

Keeper of the Nine Gales {2}{U}

Creature - Bird Wizard
Flying
{T}, Tap two untapped Birds you control: Return target permanent to its owner's hand.
"You cannot fight the storm."
1/2
Riptide Director

Riptide Director {2}{U}{U}

Creature - Human Wizard
{2}{U}{U}, {T}: Draw a card for each Wizard you control.
Those who lead others to wisdom become the wisest themselves.
2/3
Shifting Sliver

Shifting Sliver {3}{U}

Creature - Sliver
Slivers can't be blocked except by Slivers.
Once the last few slivers the Riptide Project controlled were dead, there was nothing to keep the island from being completely overrun.
2/2
Aphetto Exterminator

Aphetto Exterminator {2}{B}

Creature - Human Wizard
Morph {3}{B}
When Aphetto Exterminator is turned face up, target creature gets -3/-3 until end of turn.
3/1
Corpse Harvester

Corpse Harvester {3}{B}{B}

Creature - Zombie Wizard
{1}{B}, {T}, Sacrifice a creature: Search your library for a Zombie card and a Swamp card, reveal them, put them into your hand, then shuffle.
3/3
Crypt Sliver

Crypt Sliver {1}{B}

Creature - Sliver
All Slivers have "{T}: Regenerate target Sliver."
"Death couldn't contain the slivers. What made us think we could?"
—Riptide Project researcher
1/1
Drinker of Sorrow

Drinker of Sorrow {2}{B}

Creature - Horror
Drinker of Sorrow can't block.
Whenever Drinker of Sorrow deals combat damage, sacrifice a permanent.
It strikes at your soul, heedless of your prayers.
5/3
Gempalm Polluter

Gempalm Polluter {5}{B}

Creature - Zombie
Cycling {B}{B}
When you cycle Gempalm Polluter, you may have target player lose life equal to the number of Zombies on the battlefield.
4/3
Noxious Ghoul

Noxious Ghoul {3}{B}{B}

Creature - Zombie
Whenever Noxious Ghoul or another Zombie enters, all non-Zombie creatures get -1/-1 until end of turn.
Plague and death wrapped in one convenient package.
3/3
Skinthinner

Skinthinner {1}{B}

Creature - Zombie
Morph {3}{B}{B}
When Skinthinner is turned face up, destroy target nonblack creature. It can't be regenerated.
2/1
Spectral Sliver

Spectral Sliver {2}{B}

Creature - Sliver Spirit
All Sliver creatures have "{2}: This creature gets +1/+1 until end of turn."
"Sure, I've seen agents of the Cabal here and there. Well, not here, and certainly not in any of the sliver labs. Oh dear, I've said too much."
—Apprentice researcher
2/2
Toxin Sliver

Toxin Sliver {3}{B}

Creature - Sliver
Whenever a Sliver deals combat damage to a creature, destroy that creature. It can't be regenerated.
It doesn't need to use its venom—it just needs you to know it can.
3/3
Withered Wretch

Withered Wretch {B}{B}

Creature - Zombie Cleric
{1}: Exile target card from a graveyard.
Once it consecrated the dead. Now it desecrates them.
2/2
Blade Sliver

Blade Sliver {2}{R}

Creature - Sliver
All Sliver creatures get +1/+0.
After breaking free from the Riptide Project, the slivers quickly adapted to life on Otaria—much to the dismay of life on Otaria.
2/2
Goblin Assassin

Goblin Assassin {3}{R}{R}

Creature - Goblin Assassin
Whenever Goblin Assassin or another Goblin enters, each player flips a coin. Each player whose coin comes up tails sacrifices a creature of their choice.
The more victims he kills, the more likely he is to get the right one.
2/2
Cloudgoat Ranger

Cloudgoat Ranger {3}{W}{W}

Creature - Giant Warrior Ranger
When Cloudgoat Ranger enters, create three 1/1 white Kithkin Soldier creature tokens.
Tap three untapped Kithkin you control: Cloudgoat Ranger gets +2/+0 and gains flying until end of turn.
3/3
Boggart Harbinger

Boggart Harbinger {2}{B}

Creature - Goblin Shaman
When Boggart Harbinger enters, you may search your library for a Goblin card, reveal it, then shuffle and put that card on top.
2/1
Cairn Wanderer

Cairn Wanderer {4}{B}

Creature - Shapeshifter
Changeling
As long as a creature card with flying is in a graveyard, Cairn Wanderer has flying. The same is true for fear, first strike, double strike, deathtouch, haste, landwalk, lifelink, protection, reach, trample, shroud, and vigilance.
4/4
Crib Swap

Crib Swap {2}{W}

Kindred Instant - Shapeshifter
Changeling
Exile target creature. Its controller creates a 1/1 colorless Shapeshifter creature token with changeling.
Footbottom Feast

Footbottom Feast {2}{B}

Instant
Put any number of target creature cards from your graveyard on top of your library.
Draw a card.
The scent of rot and vinegar fills the marsh, inviting boggarts from every warren to reunite and feast.
Hunter of Eyeblights

Hunter of Eyeblights {3}{B}{B}

Creature - Elf Assassin
When Hunter of Eyeblights enters, put a +1/+1 counter on target creature you don't control.
{2}{B}, {T}: Destroy target creature with a counter on it.
Snokk ran as fast as he could, but the sound of hooves grew ever louder in his ears.
3/3
Marsh Flitter

Marsh Flitter {3}{B}

Creature - Faerie Rogue
Flying
When Marsh Flitter enters, create two 1/1 black Goblin Rogue creature tokens.
Sacrifice a Goblin: Marsh Flitter has base power and toughness 3/3 until end of turn.
1/1