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.

Chandra, Pyromaster

+1: Chandra, Pyromaster deals 1 damage to target player and 1 damage to up to one target creature that player controls. That creature can't block this turn. 0: Exile the top card of your library. You may play it this turn. -7: Exile the top ten cards of your library. Choose an instant or sorcery card exiled this way and copy it three times. You may cast the copies without paying their mana costs.

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.

Simian Spirit Guide

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

Volcanic Fallout

Chrome Mox

Imprint — When Chrome Mox enters the battlefield, you may exile a nonartifact, nonland card from your hand. {T}: Add one mana of any of the exiled card's colors to your mana pool.

Bottled Cloister

At the beginning of each opponent's upkeep, remove your hand from the game face down. At the beginning of your upkeep, return all cards removed from the game with Bottled Cloister to your hand, then draw a card.

Ensnaring Bridge

Each creature with power greater than the number of cards in your hand cannot attack.

Blood Moon

All non-basic lands are now basic mountains.

Fiery Confluence

Chandra, Flamecaller

Ancient Tomb

Chandra, Torch of Defiance