Cavern of Souls

As Cavern of Souls enters the battlefield, choose a creature type. {T}: Add {1} to your mana pool. {T}: Add one mana of any color to your mana pool. Spend this mana only to cast a creature spell of the chosen type, and that spell can't be countered.

Containment Priest

Flash If a nontoken creature would enter the battlefield and it wasn't cast, exile it instead.

Council's Judgment

Will of the council — Starting with you, each player votes for a nonland permanent you don't control. Exile each permanent with the most votes or tied for most votes.

Thalia, Guardian of Thraben

First strike Noncreature spells cost {1} more to cast.

Rishadan Port

{T}: Add one colorless mana to your mana pool. {1}, {T}: Tap target land.

Phyrexian Revoker

As Phyrexian Revoker enters the battlefield, name a nonland card. Activated abilities of sources with the chosen name can't be activated.

Flickerwisp

Flying When Flickerwisp enters the battlefield, exile another target permanent. Return that card to the battlefield under its owner's control at the beginning of the next end step.

Aether Vial

At the beginning of your upkeep, you may put a charge counter on ?ther Vial. {T}: You may put a creature card with converted mana cost equal to the number of charge counters on ?ther Vial from your hand onto the battlefield.

Mirran Crusader

Double strike, protection from black and from green

Umezawa's Jitte

Whenever equipped creature deals combat damage, put two charge counters on Umezawa's Jitte. Remove a charge counter from Umezawa's Jitte: Choose one — Equipped creature gets +2/+2 until end of turn; or target creature gets -1/-1 until end of turn; or you gain 2 life. Equip {2}

Sword of Fire and Ice

Equipped creature gets +2/+2 and has protection from red and from blue. Whenever equipped creature deals combat damage to a player, Sword of Fire and Ice deals 2 damage to target creature or player and you draw a card.

Karakas

{T}: Add {W} to your mana pool. {T}: Return target legendary creature to its owner's hand.

Batterskull

Living weapon (When this Equipment enters the battlefield, put a 0/0 black Germ creature token onto the battlefield, then attach this to it.) Equipped creature gets +4/+4 and has vigilance and lifelink. {3}: Return Batterskull to its owner's hand. Equip {5}

Rest in Peace

When Rest in Peace enters the battlefield, exile all cards from all graveyards. If a card or token would be put into a graveyard from anywhere, exile it instead.

Ethersworn Canonist

Each player who has played a nonartifact spell this turn can't play additional nonartifact spells.

Pithing Needle

As Pithing Needle comes into play, name a card. Activated abilities of sources with the chosen name can't be played unless they're mana abilities.

Serra Avenger

You can't play Serra Avenger during your first, second, or third turns of the game. Flying, vigilance

Swords to Plowshares

Target creature is removed from game entirely; return to owner's deck only when game is over. Creature's controller gains life points equal to creature's power.

Mother of Runes

{T}: Target creature you control gains protection from a color of your choice until end of turn.

Path to Exile

Exile target creature. Its controller may search his or her library for a basic land card, put that card onto the battlefield tapped, then shuffle his or her library.

Stoneforge Mystic

When Stoneforge Mystic enters the battlefield, you may search your library for an Equipment card, reveal it, put it into your hand, then shuffle your library. {1}{W}, {T}: You may put an Equipment card from your hand onto the battlefield.

Gideon, Ally of Zendikar

Horizon Canopy

Wasteland

Thalia, Heretic Cathar