Wall of Swords

Defender (This creature can't attack.)
Flying

Sandbar Crocodile

Phasing (This phases in or out before you untap during each of your untap steps. While it's phased out, it's treated as though it doesn't exist.)

Iron Tusk Elephant

Negate

Cancel

Tundra Wolves

First strike (This creature deals combat damage before creatures without first strike.)

Theft of Dreams

Draw a card for each tapped creature target opponent controls.

Enervate

Tap target artifact, creature, or land.
Draw a card at the beginning of the next turn's upkeep.

Merfolk of the Pearl Trident

Savai Sabertooth

Circle of Protection: Black

{1}: The next time a black source of your choice would deal damage to you this turn, prevent that damage.

Aegis Turtle

Dandân

Dandân can't attack unless defending player controls an Island.
When you control no Islands, sacrifice Dandân.

Spell Blast

Counter target spell with mana value X. (For example, if that spell's mana cost is {3}{U}{U}, X is 5.)

Glacial Wall

Prosperity

Disenchant

Counterspell

Staunch Shieldmate

Segovian Leviathan

Islandwalk (This creature can't be blocked as long as defending player controls an Island.)

Meddle

If target spell has only one target and that target is a creature, change that spell's target to another creature.

Pearled Unicorn

Kjeldoran Warrior

Banding (Any creatures with banding, and up to one without, can attack in a band. Bands are blocked as a group. If any creatures with banding you control are blocking or being blocked by a creature, you divide that creature's combat damage, not its controller, among any of the creatures it's being blocked by or is blocking.)

Circle of Protection: Red

{1}: The next time a red source of your choice would deal damage to you this turn, prevent that damage.

Memory Lapse

Counter target spell. If that spell is countered this way, put it on top of its owner's library instead of into that player's graveyard.

Shield Bearer

Thalakos Sentry

Shadow (This creature can block or be blocked by only creatures with shadow.)

Air Elemental

Circle of Protection: White

{1}: The next time a white source of your choice would deal damage to you this turn, prevent that damage.

Miscalculation

Counter target spell unless its controller pays {2}.
Cycling {2} ({2}, Discard this card: Draw a card.)

Coral Commando

Nimbus of the Isles

Flying (This creature can't be blocked except by creatures with flying or reach.)

Plains

Femeref Scouts

Wishcoin Crab

Prowling Caracal

Coral Merfolk

Dream Cache

Draw three cards, then put two cards from your hand both on top of your library or both on the bottom of your library.

Water Elemental

Preordain

Scry 2, then draw a card. (To 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.)

Vodalian Soldiers

Azure Drake

Concordia Pegasus

Brainstorm

Draw three cards, then put two cards from your hand on top of your library in any order.

Prying Eyes

Inspiration

Mystic Remora

Cumulative upkeep {1} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)
Whenever an opponent casts a noncreature spell, you may draw a card unless that player pays {4}.

Sea Serpent

Sea Serpent can't attack unless defending player controls an Island.
When you control no Islands, sacrifice Sea Serpent.

Circle of Protection: Blue

{1}: The next time a blue source of your choice would deal damage to you this turn, prevent that damage.

Wall of Air

Defender, flying (This creature can't attack, and it can block creatures with flying.)

Stone Golem

Kjeldoran Escort

Dismiss

Knight of the Keep

Phantom Monster

Tobias Andrion

Circle of Protection: Green

{1}: The next time a green source of your choice would deal damage to you this turn, prevent that damage.

Mtenda Herder

Flanking (Whenever a creature without flanking blocks this creature, the blocking creature gets -1/-1 until end of turn.)