Pacifism

Enchant creature
Enchanted creature can't attack or block.

Ancient Tomb

{T}: Add {C}{C}. Ancient Tomb deals 2 damage to you.

Zephid's Embrace

Enchant creature
Enchanted creature gets +2/+2 and has flying and shroud. (It can't be the target of spells or abilities.)

Remove Soul

Contemplation

Whenever you cast a spell, you gain 1 life.

Mystic Veil

You may cast Mystic Veil as though it had flash. If you cast it any time a sorcery couldn't have been cast, the controller of the permanent it becomes sacrifices it at the beginning of the next cleanup step.
Enchant creature
Enchanted creature has shroud. (It can't be the target of spells or abilities.)

Fog Bank

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

Curiosity

Enchant creature
Whenever enchanted creature deals damage to an opponent, you may draw a card.

Robe of Mirrors

Enchant creature (Target a creature as you cast this. This card enters attached to that creature.)
Enchanted creature has shroud. (It can't be the target of spells or abilities.)

Thopter Squadron

Flying
Thopter Squadron enters with three +1/+1 counters on it.
{1}, Remove a +1/+1 counter from Thopter Squadron: Create a 1/1 colorless Thopter artifact creature token with flying. Activate only as a sorcery.
{1}, Sacrifice another Thopter: Put a +1/+1 counter on Thopter Squadron. Activate only as a sorcery.

Abduction

Enchant creature
When Abduction enters, untap enchanted creature.
You control enchanted creature.
When enchanted creature dies, return that card to the battlefield under its owner's control.

Air Elemental

Mawcor

Flying
{T}: Mawcor deals 1 damage to any target.

Treasure Trove

Serra's Sanctum

{T}: Add {W} for each enchantment you control.

Plains

Soul Warden

Whenever another creature enters, you gain 1 life.

Volrath's Curse

Enchant creature
Enchanted creature can't attack or block, and its activated abilities can't be activated. That creature's controller may sacrifice a permanent of their choice for that player to ignore this effect until end of turn.
{1}{U}: Return Volrath's Curse to its owner's hand.

Island

Zur's Weirding

Players play with their hands revealed.
If a player would draw a card, they reveal it instead. Then any other player may pay 2 life. If a player does, put that card into its owner's graveyard. Otherwise, that player draws a card.

Counterspell

Argivian Find

Return target artifact or enchantment card from your graveyard to your hand.

Dream Tides

Creatures don't untap during their controllers' untap steps.
At the beginning of each player's upkeep, that player may choose any number of tapped nongreen creatures they control and pay {2} for each creature chosen this way. If the player does, untap those creatures.

Propaganda

Creatures can't attack you unless their controller pays {2} for each creature they control that's attacking you.

City of Traitors

When you play another land, sacrifice City of Traitors.
{T}: Add {C}{C}.

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.

Peacekeeper

At the beginning of your upkeep, sacrifice Peacekeeper unless you pay {1}{W}.
Creatures can't attack.

Null Brooch

{2}, {T}, Discard your hand: Counter target noncreature spell.

Phyrexian Hulk

Brainstorm

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