Through the Breach

Put a creature card from your hand into play. That creature has haste. Sacrifice that creature at end of turn. Splice onto Arcane {2}{R}{R} (As you play an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell.)

City of Traitors

If you play any land, sacrifice City of Traitors. {T}: Add two colorless mana to your mana pool.

Trinisphere

As long as Trinisphere is untapped, each spell that would cost less than three mana to cast costs three mana to cast. (Additional mana in the cost may be paid with any color of mana or colorless mana. For example, a spell that would cost {1}{B} to cast costs {2}{B} to cast instead.)

Magus of the Moon

Nonbasic lands are Mountains.

Shattering Spree

Replicate {R} (When you play this spell, copy it for each time you paid its replicate cost. You may choose new targets for the copies.) Destroy target artifact.

Sandstone Needle

Sandstone Needle comes into play tapped with two depletion counters on it. {T}, Remove a depletion counter from Sandstone Needle: Add two red mana to your mana pool. If there are no depletion counters on Sandstone Needle, sacrifice it.

Chalice of the Void

Chalice of the Void enters the battlefield with X charge counters on it. Whenever a player casts a spell with converted mana cost equal to the number of charge counters on Chalice of the Void, counter that spell.

Seething Song

Add {R}{R}{R}{R}{R} to your mana pool.

Simian Spirit Guide

Remove Simian Spirit Guide in your hand from the game: Add {R} to your mana pool.

Griselbrand

Flying, lifelink Pay 7 life: Draw seven cards.

Worldspine Wurm

Trample When Worldspine Wurm dies, put three 5/5 green Wurm creature tokens with trample onto the battlefield. When Worldspine Wurm is put into a graveyard from anywhere, shuffle it into its owner's library.

Emrakul, the Aeons Torn

Emrakul, the Aeons Torn can't be countered. When you cast Emrakul, take an extra turn after this one. Flying, protection from colored spells, annihilator 6 When Emrakul is put into a graveyard from anywhere, its owner shuffles his or her graveyard into his or her library.

Wurmcoil Engine

Deathtouch, lifelink When Wurmcoil Engine is put into a graveyard from the battlefield, put a 3/3 colorless Wurm artifact creature token with deathtouch and a 3/3 colorless Wurm artifact creature token with lifelink onto the battlefield.

Lotus Petal

Sacrifice Lotus Petal: Add one mana of any color to your mana pool. Play this ability as a mana source.

Pyroclasm

Pyroclasm deals 2 damage to each creature.

Blood Moon

All non-basic lands are now basic mountains.

Defense Grid

During each player's turn, spells played by another player cost an additional {3}.

Sneak Attack

{R}: Choose a creature card from your hand and put that creature into play. The creature is unaffected by summoning sickness. At end of turn, sacrifice the creature.

Inferno Titan

Ancient Tomb

Grafdigger's Cage

Creature cards in graveyards and libraries can't enter the battlefield. Players can't cast spells from graveyards or libraries.

Mountain

({T}: Add {R}.)