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.

Thalia, Guardian of Thraben

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

Auriok Champion

Protection from black and from red Whenever another creature comes into play, you may gain 1 life.

Champion of the Parish

Whenever another Human enters the battlefield under your control, put a +1/+1 counter on Champion of the Parish.

Mantis Rider

Flying, vigilance, haste

Gaddock Teeg

Noncreature spells with converted mana cost 4 or greater can't be played. Noncreature spells with {X} in their mana costs can't be played.

Phantasmal Image

You may have Phantasmal Image enter the battlefield as a copy of any creature on the battlefield, except it's an Illusion in addition to its other types and it gains "When this creature becomes the target of a spell or ability, sacrifice it."

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.

Meddling Mage

As Meddling Mage comes into play, name a nonland card. The named card can't be played.

Ancient Ziggurat

{T}: Add one mana of any color to your mana pool. Spend this mana only to cast creature spells.

Dismember

({B/P} can be paid with either {B} or 2 life.) Target creature gets -5/-5 until end of turn.

Noble Hierarch

Exalted (Whenever a creature you control attacks alone, that creature gets +1/+1 until end of turn.) {T}: Add {G}, {W}, or {U} to your mana pool.

Reflector Mage

Horizon Canopy

Thalia's Lieutenant

Hostage Taker

2UB

Kitesail Freebooter

1B

Unclaimed Territory

Deputy of Detention

When Deputy of Detention enters the battlefield, exile target nonland permanent an opponent controls and all other nonland permanents that player controls with the same name as that permanent until Deputy of Detention leaves the battlefield.

Plains

({T}: Add {W}.)

Island

({T}: Add {U}.)