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.

Thalia, Guardian of Thraben

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

Stony Silence

Activated abilities of artifacts can't be activated.

Mantis Rider

Flying, vigilance, haste

Grand Abolisher

During your turn, your opponents can't cast spells or activate abilities of artifacts, creatures, or enchantments.

Scab-Clan Berserker

Haste Renown 1 (When this creature deals combat damage to a player, if it isn't renowned, put a +1/+1 counter on it and it becomes renowned.)Whenever an opponent casts a noncreature spell, if Scab-Clan Berserker is renowned, Scab-Clan Berserker deals 2 damage to that player.

Surgical Extraction

({B/P} can be paid with either {B} or 2 life.) Choose target card in a graveyard other than a basic land card. Search its owner's graveyard, hand, and library for any number of cards with the same name as that card and exile them. Then that player shuffles his or her library.

Qasali Pridemage

Exalted (Whenever a creature you control attacks alone, that creature gets +1/+1 until end of turn.) {1}, Sacrifice Qasali Pridemage: Destroy target artifact or enchantment.

Mayor of Avabruck/Howlpack Alpha

Other Human creatures you control get +1/+1. At the beginning of each upkeep, if no spells were cast last turn, transform Mayor of Avabruck. ——— Other Werewolf and Wolf creatures you control get +1/+1. At the beginning of your end step, put a 2/2 green Wolf creature token onto the battlefield. At the beginning of each upkeep, if a player cast two or more spells last turn, transform Howlpack Alpha.

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.

Dark Confidant

At the beginning of your upkeep, reveal the top card of your library and put that card into your hand. You lose life equal to its converted mana cost.

Abrupt Decay

Abrupt Decay can't be countered by spells or abilities. Destroy target nonland permanent with converted mana cost 3 or less.

Izzet Staticaster

Flash (You may cast this spell any time you could cast an instant.) Haste {T}: Izzet Staticaster deals 1 damage to target creature and each other creature with the same name as that creature.

City of Brass

Whenever City of Brass becomes tapped, it deals 1 damage to you. {T}: Add one mana of a color of your choice to your mana pool.

Mox Emerald

Add 1 green mana to your mana pool. Tapping this artifact can be played as an interrupt.

Mox Sapphire

Add 1 blue mana to your mana pool. Tapping this artifact can be played as an interrupt.

Time Walk

Take an extra turn after this one.

Mox Jet

Add 1 black mana to your mana pool. Tapping this artifact can be played as an interrupt.

Mox Ruby

Add 1 red mana to your mana pool. Tapping this artifact can be played as an interrupt.

Mox Pearl

Add 1 white mana to your mana pool. Tapping this artifact can be played as an interrupt.

Ancestral Recall

Draw 3 cards or force opponent to draw 3 cards.

Black Lotus

Adds 3 mana of any single color of your choice to your mana pool, then is discarded. Tapping this artifact can be played as an interrupt.

Gemstone Mine

When Gemstone Mine comes into play, put three mining counters on it. {T}, Remove a mining counter from Gemstone Mine: Add one mana of any color to your mana pool. If there are no mining counters on Gemstone Mine, bury it.

Reflector Mage

Mana Confluence

Strip Mine

Wasteland