Crashing Drawbridge

Defender
{T}: Creatures you control gain haste until end of turn.

Hover Barrier

Excavated Wall

Defender
{1}, {T}: Mill a card. (Put the top card of your library into your graveyard.)

Island

Glacial Wall

Duskmantle Guildmage

{1}{U}{B}: Whenever a card is put into an opponent's graveyard from anywhere this turn, that player loses 1 life.
{2}{U}{B}: Target player mills two cards.

Fog Bank

Defender (This creature can't attack.)
Flying
Prevent all combat damage that would be dealt to and dealt by this creature.

Shifting Wall

Defender (This creature can't attack.)
This creature enters with X +1/+1 counters on it.

Tormod's Crypt

{T}, Sacrifice this artifact: Exile target player's graveyard.

Phenax, God of Deception

Indestructible
As long as your devotion to blue and black is less than seven, Phenax isn't a creature.
Creatures you control have "{T}: Target player mills X cards, where X is this creature's toughness."

Barrier of Bones

Defender
When this creature enters, surveil 1. (Look at the top card of your library. You may put that card into your graveyard.)

Entomb

Search your library for a card, put that card into your graveyard, then shuffle.

Glimpse the Unthinkable

Swamp

Tree of Perdition

Defender
{T}: Exchange target opponent's life total with this creature's toughness.

Steel Wall

Brain Freeze

Target player mills three cards.
Storm (When you cast this spell, copy it for each spell cast before it this turn. You may choose new targets for the copies.)

Thought Scour

Target player mills two cards.
Draw a card.

Wall of Runes

Defender (This creature can't attack.)
When this creature enters, scry 1. (Look at the top card of your library. You may put that card on the bottom.)

Shield Sphere

Defender
Whenever this creature blocks, put a -0/-1 counter on it.

Gleaming Barrier

Defender
When this creature dies, create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.")

Consulate Skygate

Defender
Reach (This creature can block creatures with flying.)

Mindcrank

Whenever an opponent loses life, that player mills that many cards. (Damage causes loss of life.)