Tom Kyffin

Embrace the Harbinger
—Suq'Ata expression meaning "abandon hope"

Harbinger of Night

During your upkeep, put a -1/-1 counter on each creature.

At the beginning of your upkeep, put a -1/-1 counter on each creature.

During the giant crabs' mating season, Skyshroud nights are filled with the clatter of their skirmishes.

Giant Crab

{U}: Until end of turn, Giant Crab cannot be the target of spells or abilities.

{U}: This creature gains shroud until end of turn. (It can't be the target of spells or abilities.)

Rampant Growth

Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

From the mists it rises, into the mists it retreats; through the mists it walks, fearless and unseen.

Marsh Lurker

Sacrifice a Swamp: This creature gains fear until end of turn. (It can't be blocked except by artifact creatures and/or black creatures.)

Excavator

{T}, Sacrifice a basic land: Target creature gains landwalk of each of the land types of the sacrificed land until end of turn. (It can't be blocked as long as defending player controls a land of any of those types.)

Dauthi Ghoul

Shadow (This creature can block or be blocked by only creatures with shadow.)
Whenever a creature with shadow dies, put a +1/+1 counter on this creature.

Unholy Strength

Enchant creature
Enchanted creature gets +2/+1.

Smoke

Players can't untap more than one creature during their untap steps.

"They groaned, they stirred, they all uprose,
Nor spake, nor moved their eyes;
It had been strange, even in a dream,
To have seen those dead men rise."
—Samuel Coleridge,
"The Rime of the Ancient Mariner"

Scathe Zombies

"Every temper tantrum makes another angry gorilla."
—Femeref children's myth

Raging Gorilla

Whenever this creature blocks or becomes blocked, it gets +2/-2 until end of turn.

"Respect the earth, for it will one day be your shield and another day your blanket."
—Liefellen, Quirion exarch

Quirion Ranger

Return a Forest you control to its owner's hand: Untap target creature. Activate only once each turn.

Some potmakers claim to use the mud of such creatures to make their finest bowls—and that the bowls scream when fired.

Matopi Golem

{1}: Regenerate this creature. When it regenerates this way, put a -1/-1 counter on it.

"As you breathe your last, understand why I accept such forbidden gifts."
—Purraj of Urborg

Dark Privilege

Enchant creature
Enchanted creature gets +1/+1.
Sacrifice a creature: Regenerate enchanted creature.

Many mages have been consumed by their work.

Reckless Embermage

{1}{R}: This creature deals 1 damage to any target and 1 damage to itself.

Lightning Reflexes

You may cast this spell as though it had flash. If you cast it any time a sorcery couldn't have been cast, the controller of the permanent it becomes sacrifices it at the beginning of the next cleanup step.
Enchant creature
Enchanted creature gets +1/+0 and has first strike.

Jungle Wurm

Whenever this creature becomes blocked, it gets -1/-1 until end of turn for each creature blocking it beyond the first.