Recycle

Skip your draw step.
Whenever you play a card, draw a card.
Your maximum hand size is two.

Gnat Miser

Each opponent's maximum hand size is reduced by one.

Jerrard of the Closed Fist

Thought Eater

Flying
Your maximum hand size is reduced by three.

Inspired Idea

Cleave {3}{U}{U} (You may cast this spell for its cleave cost. If you do, remove the words in square brackets.)
Draw three cards. [Your maximum hand size is reduced by three for the rest of the game.]

Thought Devourer

Flying
Your maximum hand size is reduced by four.

Null Profusion

Skirge Familiar

Archfiend of Ifnir

Flying
Whenever you cycle or discard another card, put a -1/-1 counter on each creature your opponents control.
Cycling {2} ({2}, Discard this card: Draw a card.)

Damia, Sage of Stone

Deathtouch
Skip your draw step.
At the beginning of your upkeep, if you have fewer than seven cards in hand, draw cards equal to the difference.

Locust Miser

Each opponent's maximum hand size is reduced by two.

The Raven Man

At the beginning of each end step, if a player discarded a card this turn, create a 1/1 black Bird creature token with flying and "This token can't block."
{3}{B}, {T}: Each opponent discards a card. Activate only as a sorcery.

Telepathy

Your opponents play with their hands revealed.

Greel, Mind Raker

{X}{B}, {T}, Discard two cards: Target player discards X cards at random.

Thought Nibbler

Flying
Your maximum hand size is reduced by two.

Necrodominance

Skip your draw step.
At the beginning of your end step, you may pay any amount of life. If you do, draw that many cards.
Your maximum hand size is five.
If a card or token would be put into your graveyard from anywhere, exile it instead.