Glintwing Invoker

{7}{U}: This creature gets +3/+3 and gains flying until end of turn.

Keeneye Aven

Flying
Cycling {2} ({2}, Discard this card: Draw a card.)

Keeper of the Nine Gales

Flying
{T}, Tap two untapped Birds you control: Return target permanent to its owner's hand.

Morph

Master of the Veil

Morph {2}{U} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)
When this creature is turned face up, you may turn target creature with a morph ability face down.

Merchant of Secrets

Mistform Seaswift

Flying
{1}: This creature becomes the creature type of your choice until end of turn.
Morph {1}{U} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

Mistform Sliver

All Slivers have "{1}: This permanent becomes the creature type of your choice in addition to its other types until end of turn."

Mistform Ultimus

Mistform Ultimus is every creature type (even if this card isn't on the battlefield).

Mistform Wakecaster

Flying
{1}: This creature becomes the creature type of your choice until end of turn.
{2}{U}{U}, {T}: Choose a creature type. Each creature you control becomes that type until end of turn.

Primoc Escapee

Beacon of Destiny

{T}: The next time a source of your choice would deal damage to you this turn, that damage is dealt to this creature instead.

Riptide Director

{2}{U}{U}, {T}: Draw a card for each Wizard you control.

Riptide Mangler

{1}{U}: Change this creature's base power to target creature's power. (This effect lasts indefinitely.)

Shifting Sliver

Slivers can't be blocked except by Slivers.

Synapse Sliver

Whenever a Sliver deals combat damage to a player, its controller may draw a card.

Voidmage Apprentice

Morph {2}{U}{U} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)
When this creature is turned face up, counter target spell.

Legions