Aerial Guide

Flying
Whenever this creature attacks, another target attacking creature gains flying until end of turn.

Frost Trickster

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

Aether Adept

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

Divination

Foresee

Erratic Visionary

{1}{U}, {T}: Draw a card, then discard a card.

Thriving Isle

This land enters tapped. As it enters, choose a color other than blue.
{T}: Add {U} or one mana of the chosen color.

Waterknot

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

Mist Raven

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

Island

Omenspeaker

When this creature enters, scry 2. (Look at the top two cards of your library, then put any number of them on the bottom and the rest on top in any order.)

Palace Familiar

Flying
When this creature dies, draw a card.

Djinn of Wishes

Flying
This creature enters with three wish counters on it.
{2}{U}{U}, Remove a wish counter from this creature: Reveal the top card of your library. You may play that card without paying its mana cost. If you don't, exile it.

Voyage's End

Return target creature to its owner's hand. Scry 1. (Look at the top card of your library. You may put that card on the bottom.)