Looter il-Kor

Shadow (This creature can block or be blocked by only creatures with shadow.)
Whenever this creature deals damage to an opponent, draw a card, then discard a card.

Amareth, the Lustrous

Flying
Whenever another permanent you control enters, look at the top card of your library. If it shares a card type with that permanent, you may reveal that card and put it into your hand.

Thought Nibbler

Flying
Your maximum hand size is reduced by two.

Bonded Fetch

Defender, haste
{T}: Draw a card, then discard a card.

Thought Eater

Flying
Your maximum hand size is reduced by three.

Aquamoeba

Discard a card: Switch this creature's power and toughness until end of turn.

Cid, Timeless Artificer

Artifact creatures and Heroes you control get +1/+1 for each Artificer you control and each Artificer card in your graveyard.
A deck can have any number of cards named Cid, Timeless Artificer.
Cycling {W}{U} ({W}{U}, Discard this card: Draw a card.)