Oneirophage

Flying
Whenever you draw a card, put a +1/+1 counter on this creature.

River's Rebuke

Return all nonland permanents target player controls to their owner's hand.

Scry 1. (Look at the top card of your library. You may put that card on the bottom.)
Draw a card.

Spectral Sailor

Flash (You may cast this spell any time you could cast an instant.)
Flying
{3}{U}: Draw a card.

Man-o'-War

When this creature enters, return target creature to its owner's hand.

Unsummon

Return target creature to its owner's hand.

Charmed Sleep

Enchant creature
When this Aura enters, tap enchanted creature.
Enchanted creature doesn't untap during its controller's untap step.

Mnemonic Wall

Defender
When this creature enters, you may return target instant or sorcery card from your graveyard to your hand.

Exclude

Counter target creature spell.
Draw a card.

Clone

You may have this creature enter as a copy of any creature on the battlefield.

Negate

Storm Sculptor

This creature can't be blocked.
When this creature enters, return a creature you control to its owner's hand.

Gadwick, the Wizened

When Gadwick enters, draw X cards.
Whenever you cast a blue spell, tap target nonland permanent an opponent controls.

Tome Raider

Flying
When this creature enters, draw a card.

Divination

Aether Tradewinds

Return target permanent you control and target permanent you don't control to their owners' hands.

Meteor Golem

When this creature enters, destroy target nonland permanent an opponent controls.

Agent of Treachery

When this creature enters, gain control of target permanent.
At the beginning of your end step, if you control three or more permanents you don't own, draw three cards.

Disperse

Return target nonland permanent to its owner's hand.

Island

Thieving Otter

Whenever this creature deals damage to an opponent, draw a card.

Faerie Vandal

Flash (You may cast this spell any time you could cast an instant.)
Flying
Whenever you draw your second card each turn, put a +1/+1 counter on this creature.

Watertrap Weaver

When this creature enters, tap target creature an opponent controls. That creature doesn't untap during its controller's next untap step.