Scryb Sprites

Giant Growth

Target creature gets +3/+3 until end of turn.

Word of Undoing

Return target creature and all white Auras you own attached to it to their owners' hands.

Argothian Pixies

Argothian Pixies can't be blocked by artifact creatures.
Prevent all damage that would be dealt to Argothian Pixies by artifact creatures.

Carapace

Enchant creature
Enchanted creature gets +0/+2.
Sacrifice Carapace: Regenerate enchanted creature.

Island

Brown Ouphe

{1}{G}, {T}: Counter target activated ability from an artifact source. (Mana abilities can't be targeted.)

Portent

Look at the top three cards of target player's library, then put them back in any order. You may have that player shuffle.
Draw a card at the beginning of the next turn's upkeep.

Forest

Leaping Lizard

{1}{G}: Leaping Lizard gets -0/-1 and gains flying until end of turn.

Autumn Willow

Shroud (This creature can't be the target of spells or abilities.)
{G}: Until end of turn, Autumn Willow can be the target of spells and abilities controlled by target player as though it didn't have shroud.

Giant Oyster

You may choose not to untap Giant Oyster during your untap step.
{T}: For as long as Giant Oyster remains tapped, target tapped creature doesn't untap during its controller's untap step, and at the beginning of each of your draw steps, put a -1/-1 counter on that creature. When Giant Oyster leaves the battlefield or becomes untapped, remove all -1/-1 counters from the creature.

Roots

Enchant creature without flying
When Roots enters, tap enchanted creature.
Enchanted creature doesn't untap during its controller's untap step.

Faerie Noble

Flying
Other Faerie creatures you control get +0/+1.
{T}: Other Faerie creatures you control get +1/+0 until end of turn.

Root Spider

Whenever Root Spider blocks, it gets +1/+0 and gains first strike until end of turn.

Sea Sprite

Sea Troll

{U}: Regenerate Sea Troll. Activate only if Sea Troll blocked or was blocked by a blue creature this turn.

Willow Faerie

Spectral Bears

Whenever Spectral Bears attacks, if defending player controls no black nontoken permanents, it doesn't untap during your next untap step.

Joven's Ferrets

Whenever Joven's Ferrets attacks, it gets +0/+2 until end of turn.
At end of combat, tap all creatures that blocked Joven's Ferrets this turn. They don't untap during their controller's next untap step.

Snow-Covered Forest

Counterspell

Essence Filter

Destroy all enchantments or all nonwhite enchantments.

Binding Grasp

Enchant creature
At the beginning of your upkeep, sacrifice Binding Grasp unless you pay {1}{U}.
You control enchanted creature.
Enchanted creature gets +0/+1.

Snow-Covered Island

Willow Priestess

{T}: You may put a Faerie permanent card from your hand onto the battlefield.
{2}{G}: Target green creature gains protection from black until end of turn.