Suffocating Fumes

Creatures your opponents control get -1/-1 until end of turn.
Cycling {2} ({2}, Discard this card: Draw a card.)

Shrivel

All creatures get -1/-1 until end of turn.

Unexpected Fangs

Put a +1/+1 counter and a lifelink counter on target creature.

Annul

Counter target artifact or enchantment spell.

Cast Down

Tolarian Terror

This spell costs {1} less to cast for each instant and sorcery card in your graveyard.
Ward {2} (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays {2}.)

Gurmag Angler

Delve (Each card you exile from your graveyard while casting this spell pays for {1}.)

Serpentine Curve

Create a 0/0 green and blue Fractal creature token. Put X +1/+1 counters on it, where X is one plus the total number of instant and sorcery cards you own in exile and in your graveyard.

Spell Pierce

Counter target noncreature spell unless its controller pays {2}.

Essence Harvest

Target player loses X life and you gain X life, where X is the greatest power among creatures you control.

Lórien Revealed

Draw three cards.
Islandcycling {1} ({1}, Discard this card: Search your library for an Island card, reveal it, put it into your hand, then shuffle.)

Island

Thought Scour

Target player mills two cards.
Draw a card.

Dismal Backwater

Dismal Backwater enters the battlefield tapped.
When Dismal Backwater enters the battlefield, you gain 1 life.
{T}: Add {U} or {B}.

Swamp

Counterspell

Mental Note

Diabolic Edict

Brainstorm

Draw three cards, then put two cards from your hand on top of your library in any order.