Mercurial Geists

Flying
Whenever you cast an instant or sorcery spell, this creature gets +3/+0 until end of turn.

Island

Mountain

Geistblast

Geistblast deals 2 damage to any target.
{2}{U}, Exile this card from your graveyard: Copy target instant or sorcery spell you control. You may choose new targets for the copy.

Shreds of Sanity

Return up to one target instant card and up to one target sorcery card from your graveyard to your hand, then discard a card. Exile Shreds of Sanity.

Drag Under

Return target creature to its owner's hand.
Draw a card.

Ingenious Skaab

Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)
{U}: This creature gets +1/-1 until end of turn.

Thermo-Alchemist

Defender
{T}: This creature deals 1 damage to each opponent.
Whenever you cast an instant or sorcery spell, untap this creature.

Rise from the Tides

Create a tapped 2/2 black Zombie creature token for each instant and sorcery card in your graveyard.

Highland Lake

This land enters tapped.
{T}: Add {U} or {R}.

Take Inventory

Draw a card, then draw cards equal to the number of cards named Take Inventory in your graveyard.

Incendiary Flow

Incendiary Flow deals 3 damage to any target. If a creature dealt damage this way would die this turn, exile it instead.

Turn Aside

Counter target spell that targets a permanent you control.

Galvanic Bombardment

Galvanic Bombardment deals X damage to target creature, where X is 2 plus the number of cards named Galvanic Bombardment in your graveyard.