Azorius Chancery

This land enters tapped.
When this land enters, return a land you control to its owner's hand.
{T}: Add {W}{U}.

Enigma Eidolon

{U}, Sacrifice this creature: Target player mills three cards.
Whenever you cast a multicolored spell, you may return this card from your graveyard to your hand.

Pentarch Ward

Enchant creature
As this Aura enters, choose a color.
When this Aura enters, draw a card.
Enchanted creature has protection from the chosen color. This effect doesn't remove this Aura.

Island

Empyrial Armor

Enchant creature
Enchanted creature gets +1/+1 for each card in your hand.

Deep Analysis

Target player draws two cards.
Flashback—{1}{U}, Pay 3 life. (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Aurora Eidolon

{W}, Sacrifice this creature: Prevent the next 3 damage that would be dealt to any target this turn.
Whenever you cast a multicolored spell, you may return this card from your graveyard to your hand.

Hindering Light

Counter target spell that targets you or a permanent you control.
Draw a card.

Decanter of Endless Water

You have no maximum hand size.
{T}: Add one mana of any color.

Search Warrant

Target player reveals their hand. You gain life equal to the number of cards in that player's hand.

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.