Ghostly Flicker

Exile two target artifacts, creatures, and/or lands you control, then return those cards to the battlefield under your control.

Stonehorn Dignitary

When Stonehorn Dignitary enters the battlefield, target opponent skips his or her next combat phase.

Sunscape Familiar

(Walls can't attack.) Green spells and blue spells you play cost 1 less to play.

Dimir Aqueduct

Dimir Aqueduct comes into play tapped. When Dimir Aqueduct comes into play, return a land you control to its owner's hand. {T}: Add {U}{B} to your mana pool.

Sea Gate Oracle

When Sea Gate Oracle enters the battlefield, look at the top two cards of your library. Put one of them into your hand and the other on the bottom of your library.

Mnemonic Wall

Defender When Mnemonic Wall enters the battlefield, you may return target instant or sorcery card from your graveyard to your hand.

Serrated Arrows

Serrated Arrows comes into play with three arrowhead counters on it. At the beginning of your upkeep, if there are no arrowhead counters on Serrated Arrows, sacrifice it. {T}, Remove an arrowhead counter from Serrated Arrows: Put a -1/-1 counter on target creature.

Deep Analysis

Target player draws two cards. Flashback - {1}{U}, Pay 3 life. (You may play this card from your graveyard for its flashback cost. Then remove it from the game.)

Snap

Return target creature to owner's hand. Untap up to two lands.

Azorius Chancery

Azorius Chancery enters the battlefield tapped. When Azorius Chancery enters the battlefield, return a land you control to its owner's hand. {T}: Add {W}{U} to your mana pool.

Dispel

Mortuary Mire

Brainstorm

Mulldrifter

Preordain

God-Pharaoh's Faithful

Negate

Counter target noncreature spell.

Sage's Row Denizen

Whenever another blue creature enters the battlefield under your control, target player puts the top two cards of their library into their graveyard.

Evolving Wilds

{T}, Sacrifice Evolving Wilds: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle your library.

Plains

({T}: Add {W}.)

Island

({T}: Add {U}.)